./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_amount100_file-68.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 9cada0c85d469bf843d2b88bb91f13bf498b21137f0d387bee03f08915f85ad4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:11:36,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:11:36,313 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 08:11:36,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:11:36,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:11:36,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:11:36,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:11:36,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:11:36,341 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:11:36,344 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:11:36,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:11:36,344 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:11:36,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:11:36,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:11:36,345 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:11:36,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:11:36,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:11:36,346 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:11:36,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 08:11:36,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:11:36,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:11:36,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:11:36,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:11:36,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:11:36,349 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:11:36,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:11:36,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:11:36,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:11:36,349 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:11:36,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:11:36,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:11:36,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:11:36,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:11:36,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:11:36,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:11:36,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:11:36,352 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 08:11:36,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 08:11:36,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:11:36,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:11:36,353 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:11:36,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:11:36,353 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cada0c85d469bf843d2b88bb91f13bf498b21137f0d387bee03f08915f85ad4 [2024-11-10 08:11:36,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:11:36,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:11:36,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:11:36,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:11:36,608 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:11:36,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-68.i [2024-11-10 08:11:38,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:11:38,456 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:11:38,457 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-68.i [2024-11-10 08:11:38,469 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d82208bd/7990c0a8076b42c384d8f38a26fdcdc3/FLAGf1b14a931 [2024-11-10 08:11:38,485 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d82208bd/7990c0a8076b42c384d8f38a26fdcdc3 [2024-11-10 08:11:38,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:11:38,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:11:38,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:11:38,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:11:38,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:11:38,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:38,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2c994a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38, skipping insertion in model container [2024-11-10 08:11:38,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:38,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:11:38,702 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_amount100_file-68.i[916,929] [2024-11-10 08:11:38,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:11:38,845 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:11:38,856 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_amount100_file-68.i[916,929] [2024-11-10 08:11:38,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:11:38,954 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:11:38,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38 WrapperNode [2024-11-10 08:11:38,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:11:38,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:11:38,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:11:38,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:11:38,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:38,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:39,057 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 389 [2024-11-10 08:11:39,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:11:39,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:11:39,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:11:39,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:11:39,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:39,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:39,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:39,144 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]. [2024-11-10 08:11:39,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:39,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:39,178 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:39,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:39,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:39,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:39,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:11:39,210 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:11:39,210 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:11:39,210 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:11:39,211 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (1/1) ... [2024-11-10 08:11:39,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:11:39,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:11:39,246 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) [2024-11-10 08:11:39,249 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 [2024-11-10 08:11:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:11:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:11:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:11:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 08:11:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:11:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:11:39,424 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:11:39,426 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:11:39,988 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L216: havoc property_#t~bitwise33#1;havoc property_#t~short34#1;havoc property_#t~bitwise35#1;havoc property_#t~bitwise36#1;havoc property_#t~short37#1;havoc property_#t~bitwise38#1;havoc property_#t~short39#1;havoc property_#t~bitwise40#1;havoc property_#t~short41#1;havoc property_#t~bitwise42#1;havoc property_#t~bitwise43#1;havoc property_#t~short44#1; [2024-11-10 08:11:40,042 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-10 08:11:40,043 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:11:40,085 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:11:40,086 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:11:40,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:11:40 BoogieIcfgContainer [2024-11-10 08:11:40,087 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:11:40,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:11:40,090 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:11:40,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:11:40,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:11:38" (1/3) ... [2024-11-10 08:11:40,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a4d2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:11:40, skipping insertion in model container [2024-11-10 08:11:40,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:11:38" (2/3) ... [2024-11-10 08:11:40,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a4d2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:11:40, skipping insertion in model container [2024-11-10 08:11:40,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:11:40" (3/3) ... [2024-11-10 08:11:40,099 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-68.i [2024-11-10 08:11:40,120 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:11:40,121 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:11:40,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:11:40,196 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;@22732a1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:11:40,196 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:11:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 122 states have (on average 1.4508196721311475) internal successors, (177), 123 states have internal predecessors, (177), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 08:11:40,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-10 08:11:40,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:11:40,227 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:11:40,228 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:11:40,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:11:40,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1359209348, now seen corresponding path program 1 times [2024-11-10 08:11:40,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:11:40,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356038803] [2024-11-10 08:11:40,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:11:40,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:11:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:11:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:11:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:11:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:11:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:11:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:11:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:11:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:11:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:11:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:11:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:11:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:11:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:11:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:11:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:11:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:11:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:11:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:11:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:11:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:11:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:11:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:11:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:11:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:11:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:11:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:11:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:11:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:11:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:11:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:11:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:11:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:11:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:11:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:11:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:11:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:11:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:11:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:11:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:11:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:11:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 08:11:40,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:11:40,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356038803] [2024-11-10 08:11:40,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356038803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:11:40,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:11:40,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:11:40,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591399810] [2024-11-10 08:11:40,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:11:40,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:11:40,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:11:40,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:11:40,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:11:40,947 INFO L87 Difference]: Start difference. First operand has 165 states, 122 states have (on average 1.4508196721311475) internal successors, (177), 123 states have internal predecessors, (177), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-10 08:11:41,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:11:41,027 INFO L93 Difference]: Finished difference Result 322 states and 547 transitions. [2024-11-10 08:11:41,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:11:41,034 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 270 [2024-11-10 08:11:41,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:11:41,047 INFO L225 Difference]: With dead ends: 322 [2024-11-10 08:11:41,047 INFO L226 Difference]: Without dead ends: 160 [2024-11-10 08:11:41,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:11:41,062 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:11:41,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 235 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:11:41,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-10 08:11:41,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-10 08:11:41,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 118 states have (on average 1.4322033898305084) internal successors, (169), 118 states have internal predecessors, (169), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 08:11:41,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 249 transitions. [2024-11-10 08:11:41,119 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 249 transitions. Word has length 270 [2024-11-10 08:11:41,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:11:41,119 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 249 transitions. [2024-11-10 08:11:41,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-10 08:11:41,120 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 249 transitions. [2024-11-10 08:11:41,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-10 08:11:41,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:11:41,129 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:11:41,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 08:11:41,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:11:41,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:11:41,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1326257954, now seen corresponding path program 1 times [2024-11-10 08:11:41,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:11:41,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414892354] [2024-11-10 08:11:41,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:11:41,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:11:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:11:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:11:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:11:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:11:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:11:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:11:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:11:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:11:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:11:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:11:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:11:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:11:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:11:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:11:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:11:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:11:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:11:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:11:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:11:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:11:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:11:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:11:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:11:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:11:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:11:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:11:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:11:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:11:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:11:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:11:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:11:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:11:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:11:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:11:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:11:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:11:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:11:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:11:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:11:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:11:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 08:11:41,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:11:41,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414892354] [2024-11-10 08:11:41,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414892354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:11:41,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:11:41,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:11:41,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414682273] [2024-11-10 08:11:41,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:11:41,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:11:41,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:11:41,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:11:41,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:11:41,567 INFO L87 Difference]: Start difference. First operand 160 states and 249 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 08:11:41,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:11:41,641 INFO L93 Difference]: Finished difference Result 317 states and 495 transitions. [2024-11-10 08:11:41,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:11:41,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 270 [2024-11-10 08:11:41,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:11:41,648 INFO L225 Difference]: With dead ends: 317 [2024-11-10 08:11:41,648 INFO L226 Difference]: Without dead ends: 160 [2024-11-10 08:11:41,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:11:41,653 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 0 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:11:41,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 463 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:11:41,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-10 08:11:41,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-10 08:11:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 118 states have (on average 1.423728813559322) internal successors, (168), 118 states have internal predecessors, (168), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 08:11:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2024-11-10 08:11:41,667 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 270 [2024-11-10 08:11:41,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:11:41,669 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2024-11-10 08:11:41,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 08:11:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2024-11-10 08:11:41,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-10 08:11:41,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:11:41,673 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:11:41,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 08:11:41,673 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:11:41,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:11:41,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1018409087, now seen corresponding path program 1 times [2024-11-10 08:11:41,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:11:41,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855291571] [2024-11-10 08:11:41,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:11:41,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:11:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:11:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:11:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:11:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:11:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:11:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:11:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:11:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:11:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:11:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:11:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:11:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:11:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:11:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:11:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:11:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:11:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:11:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:11:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:11:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:11:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:11:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:11:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:11:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:11:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:11:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:11:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:11:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:11:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:11:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:11:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:11:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:11:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:11:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:11:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:11:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:11:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:11:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:11:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:11:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:11:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:43,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 08:11:43,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:11:43,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855291571] [2024-11-10 08:11:43,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855291571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:11:43,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:11:43,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 08:11:43,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457249759] [2024-11-10 08:11:43,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:11:43,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 08:11:43,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:11:43,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 08:11:43,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 08:11:43,772 INFO L87 Difference]: Start difference. First operand 160 states and 248 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-10 08:11:44,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:11:44,563 INFO L93 Difference]: Finished difference Result 481 states and 737 transitions. [2024-11-10 08:11:44,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 08:11:44,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 270 [2024-11-10 08:11:44,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:11:44,567 INFO L225 Difference]: With dead ends: 481 [2024-11-10 08:11:44,567 INFO L226 Difference]: Without dead ends: 324 [2024-11-10 08:11:44,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 08:11:44,570 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 543 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 08:11:44,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 552 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 08:11:44,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-10 08:11:44,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 296. [2024-11-10 08:11:44,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 250 states have (on average 1.476) internal successors, (369), 251 states have internal predecessors, (369), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 08:11:44,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 455 transitions. [2024-11-10 08:11:44,592 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 455 transitions. Word has length 270 [2024-11-10 08:11:44,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:11:44,593 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 455 transitions. [2024-11-10 08:11:44,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-10 08:11:44,593 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 455 transitions. [2024-11-10 08:11:44,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-10 08:11:44,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:11:44,597 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:11:44,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 08:11:44,597 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:11:44,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:11:44,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1528943264, now seen corresponding path program 1 times [2024-11-10 08:11:44,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:11:44,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680902170] [2024-11-10 08:11:44,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:11:44,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:11:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:11:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:11:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:11:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:11:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:11:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:11:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:11:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:11:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:11:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:11:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:11:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:11:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:11:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:11:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:11:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:11:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:11:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:11:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:11:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:11:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:11:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:11:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:44,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:11:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:11:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:11:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:11:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:11:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:11:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:11:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:11:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:11:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:11:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:11:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:11:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:11:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:11:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:11:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:11:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:11:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:11:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 08:11:45,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:11:45,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680902170] [2024-11-10 08:11:45,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680902170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:11:45,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984382804] [2024-11-10 08:11:45,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:11:45,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:11:45,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:11:45,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:11:45,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 08:11:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:45,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 08:11:45,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:11:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1543 proven. 147 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2024-11-10 08:11:46,051 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:11:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 150 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2024-11-10 08:11:46,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984382804] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:11:46,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:11:46,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-11-10 08:11:46,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079324406] [2024-11-10 08:11:46,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:11:46,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 08:11:46,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:11:46,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 08:11:46,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-11-10 08:11:46,588 INFO L87 Difference]: Start difference. First operand 296 states and 455 transitions. Second operand has 15 states, 15 states have (on average 9.4) internal successors, (141), 15 states have internal predecessors, (141), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-11-10 08:11:47,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:11:47,133 INFO L93 Difference]: Finished difference Result 554 states and 844 transitions. [2024-11-10 08:11:47,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 08:11:47,134 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.4) internal successors, (141), 15 states have internal predecessors, (141), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) Word has length 270 [2024-11-10 08:11:47,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:11:47,141 INFO L225 Difference]: With dead ends: 554 [2024-11-10 08:11:47,141 INFO L226 Difference]: Without dead ends: 261 [2024-11-10 08:11:47,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 637 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=235, Invalid=521, Unknown=0, NotChecked=0, Total=756 [2024-11-10 08:11:47,146 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 676 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:11:47,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 360 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:11:47,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-10 08:11:47,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 259. [2024-11-10 08:11:47,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 210 states have (on average 1.3571428571428572) internal successors, (285), 211 states have internal predecessors, (285), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 08:11:47,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 371 transitions. [2024-11-10 08:11:47,188 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 371 transitions. Word has length 270 [2024-11-10 08:11:47,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:11:47,188 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 371 transitions. [2024-11-10 08:11:47,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.4) internal successors, (141), 15 states have internal predecessors, (141), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-11-10 08:11:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 371 transitions. [2024-11-10 08:11:47,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 08:11:47,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:11:47,196 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:11:47,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 08:11:47,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:11:47,399 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:11:47,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:11:47,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1488957520, now seen corresponding path program 1 times [2024-11-10 08:11:47,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:11:47,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831499544] [2024-11-10 08:11:47,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:11:47,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:11:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:11:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:11:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:11:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:11:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:11:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:11:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:11:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:11:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:11:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:11:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:11:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:11:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:11:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:11:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:11:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:11:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:11:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:11:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:11:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:11:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:11:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:11:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:11:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:11:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:11:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:11:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:11:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:11:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:11:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:11:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:11:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:11:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:11:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:11:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:11:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:11:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:11:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:11:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:11:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:11:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:49,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 08:11:49,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:11:49,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831499544] [2024-11-10 08:11:49,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831499544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:11:49,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:11:49,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 08:11:49,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977013530] [2024-11-10 08:11:49,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:11:49,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 08:11:49,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:11:49,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 08:11:49,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 08:11:49,445 INFO L87 Difference]: Start difference. First operand 259 states and 371 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 08:11:50,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:11:50,523 INFO L93 Difference]: Finished difference Result 585 states and 830 transitions. [2024-11-10 08:11:50,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 08:11:50,525 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 272 [2024-11-10 08:11:50,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:11:50,528 INFO L225 Difference]: With dead ends: 585 [2024-11-10 08:11:50,529 INFO L226 Difference]: Without dead ends: 329 [2024-11-10 08:11:50,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 08:11:50,531 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 462 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 08:11:50,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 499 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 08:11:50,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-10 08:11:50,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 266. [2024-11-10 08:11:50,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 217 states have (on average 1.3640552995391706) internal successors, (296), 218 states have internal predecessors, (296), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 08:11:50,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 382 transitions. [2024-11-10 08:11:50,562 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 382 transitions. Word has length 272 [2024-11-10 08:11:50,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:11:50,562 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 382 transitions. [2024-11-10 08:11:50,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 08:11:50,563 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 382 transitions. [2024-11-10 08:11:50,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 08:11:50,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:11:50,566 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:11:50,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 08:11:50,567 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:11:50,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:11:50,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1999491697, now seen corresponding path program 1 times [2024-11-10 08:11:50,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:11:50,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673553305] [2024-11-10 08:11:50,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:11:50,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:11:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:11:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:11:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:11:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:11:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:11:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:11:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:11:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:11:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:11:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:11:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:11:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:11:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:11:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:11:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:11:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:11:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:11:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:11:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:11:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:11:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:11:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:11:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:11:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:11:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:11:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:11:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:11:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:11:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:11:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:11:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:11:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:11:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:11:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:11:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:11:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:11:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:11:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:11:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:11:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:11:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:53,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 08:11:53,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:11:53,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673553305] [2024-11-10 08:11:53,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673553305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:11:53,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:11:53,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 08:11:53,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286761173] [2024-11-10 08:11:53,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:11:53,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 08:11:53,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:11:53,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 08:11:53,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-10 08:11:53,919 INFO L87 Difference]: Start difference. First operand 266 states and 382 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-10 08:11:56,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:11:56,481 INFO L93 Difference]: Finished difference Result 1023 states and 1449 transitions. [2024-11-10 08:11:56,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 08:11:56,482 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 272 [2024-11-10 08:11:56,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:11:56,487 INFO L225 Difference]: With dead ends: 1023 [2024-11-10 08:11:56,487 INFO L226 Difference]: Without dead ends: 760 [2024-11-10 08:11:56,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2024-11-10 08:11:56,489 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 1968 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:11:56,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 950 Invalid, 1607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-10 08:11:56,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2024-11-10 08:11:56,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 572. [2024-11-10 08:11:56,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 485 states have (on average 1.3896907216494845) internal successors, (674), 488 states have internal predecessors, (674), 76 states have call successors, (76), 10 states have call predecessors, (76), 10 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 08:11:56,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 826 transitions. [2024-11-10 08:11:56,544 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 826 transitions. Word has length 272 [2024-11-10 08:11:56,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:11:56,545 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 826 transitions. [2024-11-10 08:11:56,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-10 08:11:56,545 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 826 transitions. [2024-11-10 08:11:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 08:11:56,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:11:56,550 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:11:56,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 08:11:56,551 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:11:56,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:11:56,551 INFO L85 PathProgramCache]: Analyzing trace with hash 257419310, now seen corresponding path program 1 times [2024-11-10 08:11:56,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:11:56,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328715055] [2024-11-10 08:11:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:11:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:11:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:11:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:11:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:11:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:11:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:11:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:11:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:11:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:11:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:11:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:11:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:11:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:11:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:11:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:11:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:11:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:11:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:11:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:11:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:11:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:11:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:11:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:11:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:11:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:11:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:11:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:11:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:11:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:11:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:11:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:11:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:11:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:11:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:11:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:11:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:11:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:11:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:11:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:11:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:11:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:11:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 08:11:57,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:11:57,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328715055] [2024-11-10 08:11:57,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328715055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:11:57,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936088527] [2024-11-10 08:11:57,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:11:57,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:11:57,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:11:57,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:11:57,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 08:11:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:11:57,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 08:11:57,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:11:57,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1327 proven. 33 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2024-11-10 08:11:57,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:11:58,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 08:11:58,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936088527] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:11:58,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:11:58,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-10 08:11:58,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952286369] [2024-11-10 08:11:58,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:11:58,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 08:11:58,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:11:58,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 08:11:58,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-10 08:11:58,268 INFO L87 Difference]: Start difference. First operand 572 states and 826 transitions. Second operand has 15 states, 15 states have (on average 8.666666666666666) internal successors, (130), 15 states have internal predecessors, (130), 4 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2024-11-10 08:12:00,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:12:00,071 INFO L93 Difference]: Finished difference Result 1214 states and 1723 transitions. [2024-11-10 08:12:00,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-10 08:12:00,071 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.666666666666666) internal successors, (130), 15 states have internal predecessors, (130), 4 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) Word has length 272 [2024-11-10 08:12:00,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:12:00,077 INFO L225 Difference]: With dead ends: 1214 [2024-11-10 08:12:00,077 INFO L226 Difference]: Without dead ends: 645 [2024-11-10 08:12:00,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 665 GetRequests, 623 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=451, Invalid=1441, Unknown=0, NotChecked=0, Total=1892 [2024-11-10 08:12:00,080 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 808 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:12:00,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 667 Invalid, 1235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [349 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 08:12:00,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-10 08:12:00,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 598. [2024-11-10 08:12:00,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 473 states have (on average 1.3298097251585623) internal successors, (629), 477 states have internal predecessors, (629), 104 states have call successors, (104), 20 states have call predecessors, (104), 20 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-10 08:12:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 837 transitions. [2024-11-10 08:12:00,137 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 837 transitions. Word has length 272 [2024-11-10 08:12:00,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:12:00,139 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 837 transitions. [2024-11-10 08:12:00,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.666666666666666) internal successors, (130), 15 states have internal predecessors, (130), 4 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2024-11-10 08:12:00,139 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 837 transitions. [2024-11-10 08:12:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-10 08:12:00,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:12:00,143 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:12:00,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 08:12:00,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-10 08:12:00,346 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:12:00,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:12:00,346 INFO L85 PathProgramCache]: Analyzing trace with hash -300565810, now seen corresponding path program 1 times [2024-11-10 08:12:00,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:12:00,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416714725] [2024-11-10 08:12:00,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:12:00,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:12:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:12:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:12:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:12:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:12:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:12:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:12:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:12:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:12:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:12:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:12:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:12:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:12:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:12:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:12:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:12:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:12:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:12:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:12:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:12:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:12:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:12:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:12:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:12:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:12:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:12:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:12:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:12:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:12:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:12:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:12:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:12:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:12:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:12:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:12:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:12:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:12:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:12:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:12:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:12:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:12:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 08:12:04,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:12:04,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416714725] [2024-11-10 08:12:04,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416714725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:12:04,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:12:04,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 08:12:04,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318027002] [2024-11-10 08:12:04,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:12:04,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 08:12:04,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:12:04,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 08:12:04,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-10 08:12:04,452 INFO L87 Difference]: Start difference. First operand 598 states and 837 transitions. Second operand has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 08:12:09,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:12:09,863 INFO L93 Difference]: Finished difference Result 1578 states and 2196 transitions. [2024-11-10 08:12:09,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 08:12:09,864 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 274 [2024-11-10 08:12:09,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:12:09,869 INFO L225 Difference]: With dead ends: 1578 [2024-11-10 08:12:09,872 INFO L226 Difference]: Without dead ends: 1048 [2024-11-10 08:12:09,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2024-11-10 08:12:09,873 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 3109 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 2390 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 2390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-10 08:12:09,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 1129 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 2390 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-10 08:12:09,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2024-11-10 08:12:09,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 623. [2024-11-10 08:12:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 497 states have (on average 1.3380281690140845) internal successors, (665), 501 states have internal predecessors, (665), 104 states have call successors, (104), 21 states have call predecessors, (104), 21 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-10 08:12:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 873 transitions. [2024-11-10 08:12:09,924 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 873 transitions. Word has length 274 [2024-11-10 08:12:09,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:12:09,925 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 873 transitions. [2024-11-10 08:12:09,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 08:12:09,925 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 873 transitions. [2024-11-10 08:12:09,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-10 08:12:09,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:12:09,927 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:12:09,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 08:12:09,927 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:12:09,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:12:09,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1956345197, now seen corresponding path program 1 times [2024-11-10 08:12:09,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:12:09,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967527009] [2024-11-10 08:12:09,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:12:09,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:12:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:12:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:12:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:12:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:12:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:12:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:12:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:12:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:12:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:12:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:12:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:12:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:12:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:12:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:12:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:12:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:12:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:12:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:12:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:12:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:12:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:12:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:12:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:12:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:12:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:12:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:12:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:12:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:12:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:12:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:12:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:12:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:12:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:12:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:12:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:12:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:12:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:12:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:12:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:12:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:12:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 08:12:10,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:12:10,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967527009] [2024-11-10 08:12:10,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967527009] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:12:10,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487239423] [2024-11-10 08:12:10,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:12:10,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:12:10,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:12:10,363 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:12:10,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 08:12:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:10,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 08:12:10,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:12:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1417 proven. 78 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2024-11-10 08:12:11,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:12:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 08:12:11,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487239423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:12:11,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:12:11,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 14 [2024-11-10 08:12:11,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292698392] [2024-11-10 08:12:11,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:12:11,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 08:12:11,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:12:11,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 08:12:11,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-10 08:12:11,422 INFO L87 Difference]: Start difference. First operand 623 states and 873 transitions. Second operand has 14 states, 14 states have (on average 12.285714285714286) internal successors, (172), 14 states have internal predecessors, (172), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-10 08:12:11,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:12:11,729 INFO L93 Difference]: Finished difference Result 1168 states and 1634 transitions. [2024-11-10 08:12:11,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 08:12:11,730 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.285714285714286) internal successors, (172), 14 states have internal predecessors, (172), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) Word has length 274 [2024-11-10 08:12:11,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:12:11,733 INFO L225 Difference]: With dead ends: 1168 [2024-11-10 08:12:11,733 INFO L226 Difference]: Without dead ends: 613 [2024-11-10 08:12:11,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-11-10 08:12:11,735 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 256 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 08:12:11,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 524 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 08:12:11,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-10 08:12:11,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 602. [2024-11-10 08:12:11,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 476 states have (on average 1.319327731092437) internal successors, (628), 480 states have internal predecessors, (628), 104 states have call successors, (104), 21 states have call predecessors, (104), 21 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-10 08:12:11,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 836 transitions. [2024-11-10 08:12:11,775 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 836 transitions. Word has length 274 [2024-11-10 08:12:11,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:12:11,775 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 836 transitions. [2024-11-10 08:12:11,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.285714285714286) internal successors, (172), 14 states have internal predecessors, (172), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-10 08:12:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 836 transitions. [2024-11-10 08:12:11,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-10 08:12:11,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:12:11,777 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:12:11,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 08:12:11,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:12:11,982 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:12:11,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:12:11,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1424915087, now seen corresponding path program 1 times [2024-11-10 08:12:11,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:12:11,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017406537] [2024-11-10 08:12:11,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:12:11,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:12:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:12:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:12:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:12:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:12:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:12:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:12:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:12:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:12:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:12:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:12:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:12:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:12:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:12:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:12:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:12:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:12:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:12:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:12:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:12:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:12:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:12:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:12:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:12:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:12:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:12:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:12:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:12:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:12:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:12:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:12:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:12:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:12:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:12:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:12:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:12:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:12:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:12:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:12:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:12:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:12:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 08:12:13,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:12:13,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017406537] [2024-11-10 08:12:13,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017406537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:12:13,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:12:13,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 08:12:13,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434507406] [2024-11-10 08:12:13,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:12:13,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 08:12:13,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:12:13,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 08:12:13,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 08:12:13,574 INFO L87 Difference]: Start difference. First operand 602 states and 836 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 08:12:14,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:12:14,646 INFO L93 Difference]: Finished difference Result 1429 states and 1975 transitions. [2024-11-10 08:12:14,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 08:12:14,647 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 274 [2024-11-10 08:12:14,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:12:14,650 INFO L225 Difference]: With dead ends: 1429 [2024-11-10 08:12:14,650 INFO L226 Difference]: Without dead ends: 895 [2024-11-10 08:12:14,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-10 08:12:14,651 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1146 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 08:12:14,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 544 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 08:12:14,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2024-11-10 08:12:14,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 616. [2024-11-10 08:12:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 490 states have (on average 1.3265306122448979) internal successors, (650), 494 states have internal predecessors, (650), 104 states have call successors, (104), 21 states have call predecessors, (104), 21 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-10 08:12:14,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 858 transitions. [2024-11-10 08:12:14,694 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 858 transitions. Word has length 274 [2024-11-10 08:12:14,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:12:14,694 INFO L471 AbstractCegarLoop]: Abstraction has 616 states and 858 transitions. [2024-11-10 08:12:14,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 08:12:14,694 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 858 transitions. [2024-11-10 08:12:14,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-10 08:12:14,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:12:14,696 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:12:14,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 08:12:14,696 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:12:14,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:12:14,697 INFO L85 PathProgramCache]: Analyzing trace with hash -613141202, now seen corresponding path program 1 times [2024-11-10 08:12:14,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:12:14,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805712024] [2024-11-10 08:12:14,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:12:14,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:12:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:12:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:12:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:12:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:12:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:12:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:12:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:12:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:12:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:12:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:12:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:12:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:12:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:12:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:12:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:12:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:12:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:12:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:12:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:12:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:12:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:12:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:12:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:12:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:12:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:12:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:12:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:12:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:12:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:12:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:12:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:12:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:12:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:12:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:12:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:12:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:12:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:12:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:12:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:12:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:12:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 96 proven. 132 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-10 08:12:15,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:12:15,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805712024] [2024-11-10 08:12:15,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805712024] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:12:15,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856029076] [2024-11-10 08:12:15,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:12:15,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:12:15,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:12:15,398 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:12:15,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 08:12:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:15,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 08:12:15,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:12:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1985 proven. 87 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2024-11-10 08:12:15,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:12:16,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 246 proven. 96 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-11-10 08:12:16,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856029076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:12:16,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:12:16,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 29 [2024-11-10 08:12:16,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223657764] [2024-11-10 08:12:16,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:12:16,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 08:12:16,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:12:16,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 08:12:16,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-11-10 08:12:16,503 INFO L87 Difference]: Start difference. First operand 616 states and 858 transitions. Second operand has 29 states, 28 states have (on average 6.607142857142857) internal successors, (185), 27 states have internal predecessors, (185), 9 states have call successors, (97), 4 states have call predecessors, (97), 9 states have return successors, (99), 9 states have call predecessors, (99), 9 states have call successors, (99) [2024-11-10 08:12:20,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:12:20,480 INFO L93 Difference]: Finished difference Result 2494 states and 3416 transitions. [2024-11-10 08:12:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-10 08:12:20,484 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 6.607142857142857) internal successors, (185), 27 states have internal predecessors, (185), 9 states have call successors, (97), 4 states have call predecessors, (97), 9 states have return successors, (99), 9 states have call predecessors, (99), 9 states have call successors, (99) Word has length 274 [2024-11-10 08:12:20,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:12:20,492 INFO L225 Difference]: With dead ends: 2494 [2024-11-10 08:12:20,492 INFO L226 Difference]: Without dead ends: 1946 [2024-11-10 08:12:20,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 729 GetRequests, 627 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3086 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2443, Invalid=8063, Unknown=0, NotChecked=0, Total=10506 [2024-11-10 08:12:20,498 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 7601 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 2639 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7601 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 3252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 2639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 08:12:20,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7601 Valid, 1128 Invalid, 3252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 2639 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 08:12:20,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2024-11-10 08:12:20,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 347. [2024-11-10 08:12:20,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 270 states have (on average 1.2666666666666666) internal successors, (342), 271 states have internal predecessors, (342), 57 states have call successors, (57), 19 states have call predecessors, (57), 19 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 08:12:20,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 456 transitions. [2024-11-10 08:12:20,555 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 456 transitions. Word has length 274 [2024-11-10 08:12:20,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:12:20,557 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 456 transitions. [2024-11-10 08:12:20,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 6.607142857142857) internal successors, (185), 27 states have internal predecessors, (185), 9 states have call successors, (97), 4 states have call predecessors, (97), 9 states have return successors, (99), 9 states have call predecessors, (99), 9 states have call successors, (99) [2024-11-10 08:12:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 456 transitions. [2024-11-10 08:12:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-10 08:12:20,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:12:20,559 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:12:20,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 08:12:20,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:12:20,760 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:12:20,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:12:20,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1580334717, now seen corresponding path program 1 times [2024-11-10 08:12:20,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:12:20,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371551697] [2024-11-10 08:12:20,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:12:20,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:12:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:12:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:12:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:12:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:12:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:12:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:12:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:12:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:12:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:12:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:12:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:12:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:12:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:12:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:12:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:12:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:12:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:12:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:12:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:12:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:12:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:12:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:12:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:12:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:12:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:12:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:12:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:12:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:12:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:12:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:12:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:12:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:12:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:12:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:12:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:12:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:12:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:12:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:12:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:12:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:12:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:21,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 08:12:21,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:12:21,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371551697] [2024-11-10 08:12:21,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371551697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:12:21,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:12:21,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 08:12:21,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171044354] [2024-11-10 08:12:21,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:12:21,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 08:12:21,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:12:21,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 08:12:21,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:12:21,083 INFO L87 Difference]: Start difference. First operand 347 states and 456 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 08:12:21,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:12:21,421 INFO L93 Difference]: Finished difference Result 750 states and 998 transitions. [2024-11-10 08:12:21,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 08:12:21,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 277 [2024-11-10 08:12:21,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:12:21,425 INFO L225 Difference]: With dead ends: 750 [2024-11-10 08:12:21,425 INFO L226 Difference]: Without dead ends: 406 [2024-11-10 08:12:21,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:12:21,427 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 228 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:12:21,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 572 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:12:21,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-10 08:12:21,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 351. [2024-11-10 08:12:21,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 274 states have (on average 1.2627737226277371) internal successors, (346), 275 states have internal predecessors, (346), 57 states have call successors, (57), 19 states have call predecessors, (57), 19 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 08:12:21,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 460 transitions. [2024-11-10 08:12:21,489 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 460 transitions. Word has length 277 [2024-11-10 08:12:21,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:12:21,489 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 460 transitions. [2024-11-10 08:12:21,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 08:12:21,490 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 460 transitions. [2024-11-10 08:12:21,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-10 08:12:21,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:12:21,491 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:12:21,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 08:12:21,492 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:12:21,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:12:21,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1717560226, now seen corresponding path program 1 times [2024-11-10 08:12:21,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:12:21,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316213169] [2024-11-10 08:12:21,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:12:21,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:12:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:12:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:12:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:12:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:12:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:12:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:12:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:12:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:12:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:12:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:12:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:12:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:12:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:12:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:12:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:12:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:12:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:12:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:12:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:12:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:12:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:12:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:12:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:12:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:12:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:12:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:12:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:12:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:12:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:12:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:12:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:12:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:12:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:12:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:12:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:12:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:12:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:12:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:12:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:12:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:12:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 08:12:37,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:12:37,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316213169] [2024-11-10 08:12:37,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316213169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:12:37,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:12:37,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 08:12:37,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841996976] [2024-11-10 08:12:37,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:12:37,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 08:12:37,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:12:37,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 08:12:37,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-10 08:12:37,150 INFO L87 Difference]: Start difference. First operand 351 states and 460 transitions. Second operand has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-10 08:12:41,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:12:41,369 INFO L93 Difference]: Finished difference Result 1378 states and 1823 transitions. [2024-11-10 08:12:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 08:12:41,370 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 277 [2024-11-10 08:12:41,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:12:41,374 INFO L225 Difference]: With dead ends: 1378 [2024-11-10 08:12:41,374 INFO L226 Difference]: Without dead ends: 1030 [2024-11-10 08:12:41,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-10 08:12:41,375 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1614 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 2035 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 2168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 2035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-10 08:12:41,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 1091 Invalid, 2168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 2035 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-10 08:12:41,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2024-11-10 08:12:41,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 436. [2024-11-10 08:12:41,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 359 states have (on average 1.3064066852367688) internal successors, (469), 360 states have internal predecessors, (469), 57 states have call successors, (57), 19 states have call predecessors, (57), 19 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 08:12:41,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 583 transitions. [2024-11-10 08:12:41,453 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 583 transitions. Word has length 277 [2024-11-10 08:12:41,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:12:41,453 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 583 transitions. [2024-11-10 08:12:41,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-10 08:12:41,453 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 583 transitions. [2024-11-10 08:12:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-10 08:12:41,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:12:41,456 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:12:41,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 08:12:41,456 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:12:41,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:12:41,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1207026049, now seen corresponding path program 1 times [2024-11-10 08:12:41,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:12:41,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335636045] [2024-11-10 08:12:41,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:12:41,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:12:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:12:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 08:12:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 08:12:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 08:12:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:12:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:12:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:12:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:12:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:12:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:12:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:12:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:12:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:12:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:12:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:12:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:12:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:12:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:12:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:12:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:12:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:12:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:12:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:12:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 08:12:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:12:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:12:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:12:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 08:12:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 08:12:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 08:12:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 08:12:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:12:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 08:12:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 08:12:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 08:12:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 08:12:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 08:12:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 08:12:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 08:12:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 08:12:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 08:12:48,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:12:48,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335636045] [2024-11-10 08:12:48,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335636045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:12:48,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712264117] [2024-11-10 08:12:48,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:12:48,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:12:48,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:12:48,703 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:12:48,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 08:12:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:12:48,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 08:12:48,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:12:49,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1955 proven. 219 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 08:12:49,571 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:12:50,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 207 proven. 135 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-11-10 08:12:50,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712264117] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:12:50,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:12:50,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 32 [2024-11-10 08:12:50,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21490008] [2024-11-10 08:12:50,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:12:50,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-10 08:12:50,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:12:50,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-10 08:12:50,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=808, Unknown=0, NotChecked=0, Total=992 [2024-11-10 08:12:50,190 INFO L87 Difference]: Start difference. First operand 436 states and 583 transitions. Second operand has 32 states, 31 states have (on average 6.129032258064516) internal successors, (190), 30 states have internal predecessors, (190), 10 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (110), 10 states have call predecessors, (110), 10 states have call successors, (110) [2024-11-10 08:12:59,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:12:59,151 INFO L93 Difference]: Finished difference Result 1971 states and 2605 transitions. [2024-11-10 08:12:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-11-10 08:12:59,152 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 6.129032258064516) internal successors, (190), 30 states have internal predecessors, (190), 10 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (110), 10 states have call predecessors, (110), 10 states have call successors, (110) Word has length 277 [2024-11-10 08:12:59,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:12:59,157 INFO L225 Difference]: With dead ends: 1971 [2024-11-10 08:12:59,157 INFO L226 Difference]: Without dead ends: 1538 [2024-11-10 08:12:59,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 747 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3955 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=3080, Invalid=9802, Unknown=0, NotChecked=0, Total=12882 [2024-11-10 08:12:59,162 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 5278 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 2810 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5278 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 3417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 2810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-10 08:12:59,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5278 Valid, 1336 Invalid, 3417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [607 Valid, 2810 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-10 08:12:59,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2024-11-10 08:12:59,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 721. [2024-11-10 08:12:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 639 states have (on average 1.3208137715179968) internal successors, (844), 640 states have internal predecessors, (844), 57 states have call successors, (57), 24 states have call predecessors, (57), 24 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 08:12:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 958 transitions. [2024-11-10 08:12:59,264 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 958 transitions. Word has length 277 [2024-11-10 08:12:59,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:12:59,265 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 958 transitions. [2024-11-10 08:12:59,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 6.129032258064516) internal successors, (190), 30 states have internal predecessors, (190), 10 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (110), 10 states have call predecessors, (110), 10 states have call successors, (110) [2024-11-10 08:12:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 958 transitions. [2024-11-10 08:12:59,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-10 08:12:59,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:12:59,268 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:12:59,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 08:12:59,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 08:12:59,469 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:12:59,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:12:59,470 INFO L85 PathProgramCache]: Analyzing trace with hash -978141256, now seen corresponding path program 1 times [2024-11-10 08:12:59,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:12:59,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521205420] [2024-11-10 08:12:59,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:12:59,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:12:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat