./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-89.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 6c4f2ab200ae95c9ca275594b018c3497d9548a4085e649d22d856974a67d096 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:54:31,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:54:31,440 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:54:31,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:54:31,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:54:31,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:54:31,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:54:31,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:54:31,484 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:54:31,488 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:54:31,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:54:31,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:54:31,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:54:31,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:54:31,490 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:54:31,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:54:31,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:54:31,490 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:54:31,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:54:31,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:54:31,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:54:31,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:54:31,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:54:31,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:54:31,494 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:54:31,494 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:54:31,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:54:31,495 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:54:31,495 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:54:31,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:54:31,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:54:31,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:54:31,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:54:31,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:54:31,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:54:31,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:54:31,498 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:54:31,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:54:31,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:54:31,499 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:54:31,499 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:54:31,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:54:31,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4f2ab200ae95c9ca275594b018c3497d9548a4085e649d22d856974a67d096 [2024-11-16 15:54:31,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:54:31,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:54:31,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:54:31,781 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:54:31,782 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:54:31,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-89.i [2024-11-16 15:54:33,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:54:33,451 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:54:33,452 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-89.i [2024-11-16 15:54:33,461 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ef7078e1/23c37bde32794873a3938b6860ae7df1/FLAG4382214c3 [2024-11-16 15:54:33,840 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ef7078e1/23c37bde32794873a3938b6860ae7df1 [2024-11-16 15:54:33,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:54:33,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:54:33,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:54:33,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:54:33,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:54:33,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:54:33" (1/1) ... [2024-11-16 15:54:33,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266694e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:33, skipping insertion in model container [2024-11-16 15:54:33,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:54:33" (1/1) ... [2024-11-16 15:54:33,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:54:34,035 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_floatingpointinfluence_no-floats_file-89.i[916,929] [2024-11-16 15:54:34,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:54:34,083 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:54:34,093 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_floatingpointinfluence_no-floats_file-89.i[916,929] [2024-11-16 15:54:34,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:54:34,145 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:54:34,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34 WrapperNode [2024-11-16 15:54:34,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:54:34,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:54:34,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:54:34,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:54:34,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (1/1) ... [2024-11-16 15:54:34,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (1/1) ... [2024-11-16 15:54:34,219 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-16 15:54:34,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:54:34,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:54:34,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:54:34,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:54:34,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (1/1) ... [2024-11-16 15:54:34,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (1/1) ... [2024-11-16 15:54:34,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (1/1) ... [2024-11-16 15:54:34,268 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 15:54:34,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (1/1) ... [2024-11-16 15:54:34,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (1/1) ... [2024-11-16 15:54:34,278 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (1/1) ... [2024-11-16 15:54:34,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (1/1) ... [2024-11-16 15:54:34,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (1/1) ... [2024-11-16 15:54:34,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (1/1) ... [2024-11-16 15:54:34,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:54:34,290 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:54:34,291 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:54:34,291 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:54:34,292 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (1/1) ... [2024-11-16 15:54:34,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:54:34,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:54:34,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 15:54:34,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 15:54:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:54:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:54:34,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:54:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:54:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:54:34,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:54:34,428 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:54:34,430 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:54:34,723 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L91: havoc property_#t~ite14#1;havoc property_#t~ite13#1;havoc property_#t~ite12#1;havoc property_#t~bitwise11#1;havoc property_#t~short15#1; [2024-11-16 15:54:34,755 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-16 15:54:34,755 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:54:34,786 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:54:34,786 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:54:34,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:54:34 BoogieIcfgContainer [2024-11-16 15:54:34,787 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:54:34,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:54:34,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:54:34,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:54:34,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:54:33" (1/3) ... [2024-11-16 15:54:34,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698936ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:54:34, skipping insertion in model container [2024-11-16 15:54:34,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:54:34" (2/3) ... [2024-11-16 15:54:34,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698936ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:54:34, skipping insertion in model container [2024-11-16 15:54:34,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:54:34" (3/3) ... [2024-11-16 15:54:34,798 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-89.i [2024-11-16 15:54:34,816 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:54:34,816 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:54:34,891 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:54:34,899 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;@34b9f26e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:54:34,900 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:54:34,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-16 15:54:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-16 15:54:34,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:34,921 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:34,922 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:34,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:34,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2055343136, now seen corresponding path program 1 times [2024-11-16 15:54:34,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:34,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145296262] [2024-11-16 15:54:34,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:34,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 15:54:35,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:35,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145296262] [2024-11-16 15:54:35,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145296262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:35,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:35,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:54:35,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340124663] [2024-11-16 15:54:35,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:35,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:54:35,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:35,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:54:35,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:54:35,329 INFO L87 Difference]: Start difference. First operand has 66 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 15:54:35,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:35,394 INFO L93 Difference]: Finished difference Result 124 states and 200 transitions. [2024-11-16 15:54:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:54:35,400 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2024-11-16 15:54:35,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:35,410 INFO L225 Difference]: With dead ends: 124 [2024-11-16 15:54:35,411 INFO L226 Difference]: Without dead ends: 61 [2024-11-16 15:54:35,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:54:35,421 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:35,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:54:35,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-16 15:54:35,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-16 15:54:35,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-16 15:54:35,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 87 transitions. [2024-11-16 15:54:35,466 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 87 transitions. Word has length 89 [2024-11-16 15:54:35,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:35,467 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 87 transitions. [2024-11-16 15:54:35,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 15:54:35,467 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2024-11-16 15:54:35,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-16 15:54:35,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:35,471 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:35,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:54:35,471 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:35,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:35,472 INFO L85 PathProgramCache]: Analyzing trace with hash -471413215, now seen corresponding path program 1 times [2024-11-16 15:54:35,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:35,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298801951] [2024-11-16 15:54:35,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:35,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 15:54:36,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:36,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298801951] [2024-11-16 15:54:36,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298801951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:36,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:36,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 15:54:36,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606927652] [2024-11-16 15:54:36,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:36,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:54:36,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:36,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:54:36,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:54:36,281 INFO L87 Difference]: Start difference. First operand 61 states and 87 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:36,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:36,582 INFO L93 Difference]: Finished difference Result 179 states and 257 transitions. [2024-11-16 15:54:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 15:54:36,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 89 [2024-11-16 15:54:36,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:36,586 INFO L225 Difference]: With dead ends: 179 [2024-11-16 15:54:36,586 INFO L226 Difference]: Without dead ends: 121 [2024-11-16 15:54:36,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:54:36,590 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 65 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:36,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 282 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:54:36,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-16 15:54:36,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 88. [2024-11-16 15:54:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 59 states have internal predecessors, (74), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 15:54:36,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 126 transitions. [2024-11-16 15:54:36,633 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 126 transitions. Word has length 89 [2024-11-16 15:54:36,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:36,634 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 126 transitions. [2024-11-16 15:54:36,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:36,635 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2024-11-16 15:54:36,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-16 15:54:36,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:36,636 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:36,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:54:36,637 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:36,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:36,638 INFO L85 PathProgramCache]: Analyzing trace with hash -342330496, now seen corresponding path program 1 times [2024-11-16 15:54:36,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:36,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726372588] [2024-11-16 15:54:36,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:36,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 15:54:37,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:37,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726372588] [2024-11-16 15:54:37,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726372588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:37,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:37,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 15:54:37,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687588641] [2024-11-16 15:54:37,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:37,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 15:54:37,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:37,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 15:54:37,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-16 15:54:37,522 INFO L87 Difference]: Start difference. First operand 88 states and 126 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:37,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:37,941 INFO L93 Difference]: Finished difference Result 210 states and 299 transitions. [2024-11-16 15:54:37,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 15:54:37,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 89 [2024-11-16 15:54:37,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:37,945 INFO L225 Difference]: With dead ends: 210 [2024-11-16 15:54:37,945 INFO L226 Difference]: Without dead ends: 152 [2024-11-16 15:54:37,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:54:37,948 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 115 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:37,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 442 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:54:37,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-16 15:54:37,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 101. [2024-11-16 15:54:37,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 72 states have internal predecessors, (94), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 15:54:37,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2024-11-16 15:54:37,969 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 89 [2024-11-16 15:54:37,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:37,970 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2024-11-16 15:54:37,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:37,970 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2024-11-16 15:54:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-16 15:54:37,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:37,972 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:37,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 15:54:37,973 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:37,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:37,973 INFO L85 PathProgramCache]: Analyzing trace with hash -538844001, now seen corresponding path program 1 times [2024-11-16 15:54:37,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:37,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448366810] [2024-11-16 15:54:37,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:37,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 15:54:38,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:38,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448366810] [2024-11-16 15:54:38,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448366810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:38,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:38,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 15:54:38,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601465269] [2024-11-16 15:54:38,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:38,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 15:54:38,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:38,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 15:54:38,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:54:38,500 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:38,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:38,854 INFO L93 Difference]: Finished difference Result 223 states and 318 transitions. [2024-11-16 15:54:38,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 15:54:38,855 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 89 [2024-11-16 15:54:38,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:38,857 INFO L225 Difference]: With dead ends: 223 [2024-11-16 15:54:38,857 INFO L226 Difference]: Without dead ends: 152 [2024-11-16 15:54:38,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-16 15:54:38,864 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 83 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:38,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 510 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:54:38,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-16 15:54:38,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 101. [2024-11-16 15:54:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 72 states have internal predecessors, (94), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 15:54:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2024-11-16 15:54:38,887 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 89 [2024-11-16 15:54:38,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:38,888 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2024-11-16 15:54:38,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:38,888 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2024-11-16 15:54:38,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-16 15:54:38,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:38,890 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:38,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 15:54:38,890 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:38,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:38,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1983016047, now seen corresponding path program 1 times [2024-11-16 15:54:38,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:38,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616699426] [2024-11-16 15:54:38,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:38,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 15:54:39,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:39,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616699426] [2024-11-16 15:54:39,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616699426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:39,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:39,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:54:39,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297817162] [2024-11-16 15:54:39,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:39,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:54:39,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:39,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:54:39,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:54:39,611 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:40,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:40,221 INFO L93 Difference]: Finished difference Result 239 states and 344 transitions. [2024-11-16 15:54:40,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 15:54:40,222 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 91 [2024-11-16 15:54:40,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:40,224 INFO L225 Difference]: With dead ends: 239 [2024-11-16 15:54:40,225 INFO L226 Difference]: Without dead ends: 168 [2024-11-16 15:54:40,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-16 15:54:40,230 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 251 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:40,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 407 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 15:54:40,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-16 15:54:40,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 164. [2024-11-16 15:54:40,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 121 states have (on average 1.2479338842975207) internal successors, (151), 121 states have internal predecessors, (151), 39 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-16 15:54:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 229 transitions. [2024-11-16 15:54:40,260 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 229 transitions. Word has length 91 [2024-11-16 15:54:40,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:40,261 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 229 transitions. [2024-11-16 15:54:40,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2024-11-16 15:54:40,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-16 15:54:40,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:40,263 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:40,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 15:54:40,263 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:40,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:40,264 INFO L85 PathProgramCache]: Analyzing trace with hash 3377829, now seen corresponding path program 1 times [2024-11-16 15:54:40,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:40,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796070814] [2024-11-16 15:54:40,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:40,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:40,437 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 15:54:40,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:40,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796070814] [2024-11-16 15:54:40,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796070814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:40,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:40,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:54:40,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097661931] [2024-11-16 15:54:40,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:40,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:54:40,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:40,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:54:40,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:54:40,440 INFO L87 Difference]: Start difference. First operand 164 states and 229 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:40,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:40,515 INFO L93 Difference]: Finished difference Result 320 states and 441 transitions. [2024-11-16 15:54:40,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:54:40,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 93 [2024-11-16 15:54:40,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:40,518 INFO L225 Difference]: With dead ends: 320 [2024-11-16 15:54:40,518 INFO L226 Difference]: Without dead ends: 186 [2024-11-16 15:54:40,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:54:40,519 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 12 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:40,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 154 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 15:54:40,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-16 15:54:40,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 172. [2024-11-16 15:54:40,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 129 states have (on average 1.2403100775193798) internal successors, (160), 129 states have internal predecessors, (160), 39 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-16 15:54:40,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 238 transitions. [2024-11-16 15:54:40,551 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 238 transitions. Word has length 93 [2024-11-16 15:54:40,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:40,552 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 238 transitions. [2024-11-16 15:54:40,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:40,553 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 238 transitions. [2024-11-16 15:54:40,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 15:54:40,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:40,554 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:40,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 15:54:40,555 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:40,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:40,555 INFO L85 PathProgramCache]: Analyzing trace with hash -611876693, now seen corresponding path program 1 times [2024-11-16 15:54:40,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:40,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499070191] [2024-11-16 15:54:40,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:40,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,427 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 15:54:41,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:41,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499070191] [2024-11-16 15:54:41,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499070191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:41,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:41,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 15:54:41,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947373789] [2024-11-16 15:54:41,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:41,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 15:54:41,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:41,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 15:54:41,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:54:41,430 INFO L87 Difference]: Start difference. First operand 172 states and 238 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:41,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:41,867 INFO L93 Difference]: Finished difference Result 184 states and 249 transitions. [2024-11-16 15:54:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 15:54:41,868 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 94 [2024-11-16 15:54:41,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:41,869 INFO L225 Difference]: With dead ends: 184 [2024-11-16 15:54:41,869 INFO L226 Difference]: Without dead ends: 181 [2024-11-16 15:54:41,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-16 15:54:41,870 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 134 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:41,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 451 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:54:41,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-16 15:54:41,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 173. [2024-11-16 15:54:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 130 states have (on average 1.2384615384615385) internal successors, (161), 130 states have internal predecessors, (161), 39 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-16 15:54:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 239 transitions. [2024-11-16 15:54:41,903 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 239 transitions. Word has length 94 [2024-11-16 15:54:41,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:41,903 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 239 transitions. [2024-11-16 15:54:41,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:41,904 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 239 transitions. [2024-11-16 15:54:41,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 15:54:41,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:41,905 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:41,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 15:54:41,905 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:41,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:41,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1235201931, now seen corresponding path program 1 times [2024-11-16 15:54:41,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:41,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62204149] [2024-11-16 15:54:41,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:41,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:41,984 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 15:54:41,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:41,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62204149] [2024-11-16 15:54:41,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62204149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:41,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:41,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:54:41,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580850610] [2024-11-16 15:54:41,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:41,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:54:41,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:41,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:54:41,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:54:41,986 INFO L87 Difference]: Start difference. First operand 173 states and 239 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:42,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:42,040 INFO L93 Difference]: Finished difference Result 382 states and 518 transitions. [2024-11-16 15:54:42,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:54:42,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 101 [2024-11-16 15:54:42,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:42,043 INFO L225 Difference]: With dead ends: 382 [2024-11-16 15:54:42,043 INFO L226 Difference]: Without dead ends: 239 [2024-11-16 15:54:42,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:54:42,044 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 36 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:42,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 164 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:54:42,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-16 15:54:42,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 234. [2024-11-16 15:54:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 174 states have (on average 1.2011494252873562) internal successors, (209), 176 states have internal predecessors, (209), 53 states have call successors, (53), 6 states have call predecessors, (53), 6 states have return successors, (53), 51 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-16 15:54:42,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 315 transitions. [2024-11-16 15:54:42,070 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 315 transitions. Word has length 101 [2024-11-16 15:54:42,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:42,071 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 315 transitions. [2024-11-16 15:54:42,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:42,071 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 315 transitions. [2024-11-16 15:54:42,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-16 15:54:42,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:42,072 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:42,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 15:54:42,073 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:42,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:42,073 INFO L85 PathProgramCache]: Analyzing trace with hash -711304897, now seen corresponding path program 1 times [2024-11-16 15:54:42,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:42,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570788668] [2024-11-16 15:54:42,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:42,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 15:54:42,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:42,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570788668] [2024-11-16 15:54:42,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570788668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:42,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:42,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:54:42,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589253045] [2024-11-16 15:54:42,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:42,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:54:42,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:42,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:54:42,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:54:42,200 INFO L87 Difference]: Start difference. First operand 234 states and 315 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:42,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:42,307 INFO L93 Difference]: Finished difference Result 437 states and 587 transitions. [2024-11-16 15:54:42,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:54:42,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 107 [2024-11-16 15:54:42,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:42,311 INFO L225 Difference]: With dead ends: 437 [2024-11-16 15:54:42,311 INFO L226 Difference]: Without dead ends: 237 [2024-11-16 15:54:42,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:54:42,313 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 43 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:42,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 201 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 15:54:42,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-16 15:54:42,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2024-11-16 15:54:42,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 174 states have (on average 1.1954022988505748) internal successors, (208), 176 states have internal predecessors, (208), 53 states have call successors, (53), 6 states have call predecessors, (53), 6 states have return successors, (53), 51 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-16 15:54:42,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 314 transitions. [2024-11-16 15:54:42,338 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 314 transitions. Word has length 107 [2024-11-16 15:54:42,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:42,339 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 314 transitions. [2024-11-16 15:54:42,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 314 transitions. [2024-11-16 15:54:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-16 15:54:42,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:42,340 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:42,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 15:54:42,341 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:42,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:42,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1555776768, now seen corresponding path program 1 times [2024-11-16 15:54:42,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:42,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678691097] [2024-11-16 15:54:42,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:42,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 15:54:43,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:43,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678691097] [2024-11-16 15:54:43,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678691097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:43,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:43,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 15:54:43,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683767214] [2024-11-16 15:54:43,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:43,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 15:54:43,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:43,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 15:54:43,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-16 15:54:43,570 INFO L87 Difference]: Start difference. First operand 234 states and 314 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:44,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:44,832 INFO L93 Difference]: Finished difference Result 255 states and 334 transitions. [2024-11-16 15:54:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 15:54:44,833 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 107 [2024-11-16 15:54:44,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:44,834 INFO L225 Difference]: With dead ends: 255 [2024-11-16 15:54:44,834 INFO L226 Difference]: Without dead ends: 252 [2024-11-16 15:54:44,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=159, Invalid=597, Unknown=0, NotChecked=0, Total=756 [2024-11-16 15:54:44,836 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 104 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:44,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 619 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 15:54:44,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-16 15:54:44,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 230. [2024-11-16 15:54:44,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 170 states have (on average 1.1941176470588235) internal successors, (203), 172 states have internal predecessors, (203), 53 states have call successors, (53), 6 states have call predecessors, (53), 6 states have return successors, (53), 51 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-16 15:54:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 309 transitions. [2024-11-16 15:54:44,861 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 309 transitions. Word has length 107 [2024-11-16 15:54:44,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:44,861 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 309 transitions. [2024-11-16 15:54:44,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:44,862 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 309 transitions. [2024-11-16 15:54:44,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 15:54:44,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:44,864 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:44,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 15:54:44,864 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:44,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:44,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1124301469, now seen corresponding path program 1 times [2024-11-16 15:54:44,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:44,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612913729] [2024-11-16 15:54:44,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:44,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:54:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 15:54:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 15:54:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 15:54:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 15:54:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 15:54:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 15:54:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 15:54:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 15:54:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 15:54:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 15:54:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 15:54:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 15:54:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:46,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2024-11-16 15:54:46,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:46,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612913729] [2024-11-16 15:54:46,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612913729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:46,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:46,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 15:54:46,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69208859] [2024-11-16 15:54:46,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:46,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:54:46,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:46,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:54:46,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:54:46,656 INFO L87 Difference]: Start difference. First operand 230 states and 309 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:47,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:47,189 INFO L93 Difference]: Finished difference Result 435 states and 580 transitions. [2024-11-16 15:54:47,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 15:54:47,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 176 [2024-11-16 15:54:47,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:47,192 INFO L225 Difference]: With dead ends: 435 [2024-11-16 15:54:47,192 INFO L226 Difference]: Without dead ends: 323 [2024-11-16 15:54:47,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 15:54:47,193 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 84 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:47,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 278 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 15:54:47,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-16 15:54:47,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 230. [2024-11-16 15:54:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 170 states have (on average 1.1941176470588235) internal successors, (203), 172 states have internal predecessors, (203), 53 states have call successors, (53), 6 states have call predecessors, (53), 6 states have return successors, (53), 51 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-16 15:54:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 309 transitions. [2024-11-16 15:54:47,216 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 309 transitions. Word has length 176 [2024-11-16 15:54:47,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:47,217 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 309 transitions. [2024-11-16 15:54:47,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 309 transitions. [2024-11-16 15:54:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 15:54:47,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:47,219 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:47,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 15:54:47,220 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:47,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:47,220 INFO L85 PathProgramCache]: Analyzing trace with hash 927787964, now seen corresponding path program 1 times [2024-11-16 15:54:47,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:47,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150128387] [2024-11-16 15:54:47,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:47,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:54:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 15:54:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 15:54:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 15:54:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 15:54:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 15:54:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 15:54:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 15:54:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 15:54:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 15:54:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 15:54:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 15:54:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 15:54:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2024-11-16 15:54:48,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:48,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150128387] [2024-11-16 15:54:48,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150128387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:48,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:48,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 15:54:48,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103045007] [2024-11-16 15:54:48,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:48,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:54:48,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:48,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:54:48,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:54:48,821 INFO L87 Difference]: Start difference. First operand 230 states and 309 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:49,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:49,288 INFO L93 Difference]: Finished difference Result 435 states and 577 transitions. [2024-11-16 15:54:49,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 15:54:49,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 176 [2024-11-16 15:54:49,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:49,291 INFO L225 Difference]: With dead ends: 435 [2024-11-16 15:54:49,291 INFO L226 Difference]: Without dead ends: 323 [2024-11-16 15:54:49,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 15:54:49,292 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 86 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:49,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 264 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:54:49,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-16 15:54:49,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 213. [2024-11-16 15:54:49,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 153 states have (on average 1.1503267973856208) internal successors, (176), 155 states have internal predecessors, (176), 53 states have call successors, (53), 6 states have call predecessors, (53), 6 states have return successors, (53), 51 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-16 15:54:49,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 282 transitions. [2024-11-16 15:54:49,316 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 282 transitions. Word has length 176 [2024-11-16 15:54:49,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:49,317 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 282 transitions. [2024-11-16 15:54:49,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 282 transitions. [2024-11-16 15:54:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-16 15:54:49,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:49,319 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:49,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 15:54:49,319 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:49,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:49,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1838849106, now seen corresponding path program 1 times [2024-11-16 15:54:49,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:49,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991540760] [2024-11-16 15:54:49,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:49,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:54:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 15:54:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 15:54:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 15:54:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 15:54:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 15:54:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 15:54:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 15:54:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 15:54:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 15:54:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 15:54:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 15:54:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 15:54:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:50,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2024-11-16 15:54:50,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:50,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991540760] [2024-11-16 15:54:50,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991540760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:50,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:50,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 15:54:50,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983995276] [2024-11-16 15:54:50,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:50,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 15:54:50,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:50,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 15:54:50,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-16 15:54:50,981 INFO L87 Difference]: Start difference. First operand 213 states and 282 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:52,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:52,221 INFO L93 Difference]: Finished difference Result 304 states and 400 transitions. [2024-11-16 15:54:52,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 15:54:52,221 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 181 [2024-11-16 15:54:52,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:52,223 INFO L225 Difference]: With dead ends: 304 [2024-11-16 15:54:52,223 INFO L226 Difference]: Without dead ends: 301 [2024-11-16 15:54:52,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-16 15:54:52,224 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 78 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:52,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 638 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 15:54:52,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-16 15:54:52,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 293. [2024-11-16 15:54:52,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 215 states have (on average 1.172093023255814) internal successors, (252), 219 states have internal predecessors, (252), 69 states have call successors, (69), 8 states have call predecessors, (69), 8 states have return successors, (69), 65 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-16 15:54:52,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 390 transitions. [2024-11-16 15:54:52,260 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 390 transitions. Word has length 181 [2024-11-16 15:54:52,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:52,261 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 390 transitions. [2024-11-16 15:54:52,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 390 transitions. [2024-11-16 15:54:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 15:54:52,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:52,263 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:52,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 15:54:52,263 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:52,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:52,264 INFO L85 PathProgramCache]: Analyzing trace with hash -590575762, now seen corresponding path program 1 times [2024-11-16 15:54:52,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:52,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131514051] [2024-11-16 15:54:52,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:52,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:54:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 15:54:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 15:54:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 15:54:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 15:54:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 15:54:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 15:54:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 15:54:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 15:54:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 15:54:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 15:54:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 15:54:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 15:54:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2024-11-16 15:54:54,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:54,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131514051] [2024-11-16 15:54:54,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131514051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:54,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:54,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 15:54:54,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432928137] [2024-11-16 15:54:54,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:54,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 15:54:54,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:54,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 15:54:54,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-16 15:54:54,700 INFO L87 Difference]: Start difference. First operand 293 states and 390 transitions. Second operand has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:55,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:55,926 INFO L93 Difference]: Finished difference Result 342 states and 443 transitions. [2024-11-16 15:54:55,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 15:54:55,926 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 184 [2024-11-16 15:54:55,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:55,928 INFO L225 Difference]: With dead ends: 342 [2024-11-16 15:54:55,930 INFO L226 Difference]: Without dead ends: 339 [2024-11-16 15:54:55,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-16 15:54:55,931 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 194 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:55,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 790 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 15:54:55,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-16 15:54:55,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 300. [2024-11-16 15:54:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 222 states have (on average 1.1801801801801801) internal successors, (262), 226 states have internal predecessors, (262), 69 states have call successors, (69), 8 states have call predecessors, (69), 8 states have return successors, (69), 65 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-16 15:54:55,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 400 transitions. [2024-11-16 15:54:55,967 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 400 transitions. Word has length 184 [2024-11-16 15:54:55,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:55,968 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 400 transitions. [2024-11-16 15:54:55,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:55,968 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 400 transitions. [2024-11-16 15:54:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-16 15:54:55,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:55,971 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:55,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 15:54:55,972 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:55,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:55,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1180082849, now seen corresponding path program 1 times [2024-11-16 15:54:55,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:55,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063310896] [2024-11-16 15:54:55,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:55,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:54:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 15:54:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 15:54:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 15:54:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 15:54:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 15:54:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 15:54:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 15:54:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 15:54:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 15:54:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 15:54:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 15:54:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 15:54:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1327 trivial. 0 not checked. [2024-11-16 15:54:56,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:56,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063310896] [2024-11-16 15:54:56,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063310896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:56,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:56,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:54:56,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995257486] [2024-11-16 15:54:56,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:56,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:54:56,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:56,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:54:56,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:54:56,099 INFO L87 Difference]: Start difference. First operand 300 states and 400 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:56,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:56,189 INFO L93 Difference]: Finished difference Result 619 states and 826 transitions. [2024-11-16 15:54:56,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:54:56,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 187 [2024-11-16 15:54:56,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:56,193 INFO L225 Difference]: With dead ends: 619 [2024-11-16 15:54:56,196 INFO L226 Difference]: Without dead ends: 437 [2024-11-16 15:54:56,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:54:56,198 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 59 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:56,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 202 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:54:56,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-16 15:54:56,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 434. [2024-11-16 15:54:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 316 states have (on average 1.1550632911392404) internal successors, (365), 323 states have internal predecessors, (365), 105 states have call successors, (105), 12 states have call predecessors, (105), 12 states have return successors, (105), 98 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-16 15:54:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 575 transitions. [2024-11-16 15:54:56,249 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 575 transitions. Word has length 187 [2024-11-16 15:54:56,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:56,250 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 575 transitions. [2024-11-16 15:54:56,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 575 transitions. [2024-11-16 15:54:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-16 15:54:56,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:56,252 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:56,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 15:54:56,252 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:56,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:56,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1974769603, now seen corresponding path program 1 times [2024-11-16 15:54:56,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:56,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677432531] [2024-11-16 15:54:56,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:56,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:54:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 15:54:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 15:54:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 15:54:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 15:54:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 15:54:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 15:54:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 15:54:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 15:54:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 15:54:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 15:54:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 15:54:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 15:54:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1327 trivial. 0 not checked. [2024-11-16 15:54:56,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:56,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677432531] [2024-11-16 15:54:56,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677432531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:56,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:56,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:54:56,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433099393] [2024-11-16 15:54:56,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:56,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:54:56,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:56,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:54:56,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:54:56,341 INFO L87 Difference]: Start difference. First operand 434 states and 575 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:56,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:56,448 INFO L93 Difference]: Finished difference Result 903 states and 1200 transitions. [2024-11-16 15:54:56,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:54:56,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 187 [2024-11-16 15:54:56,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:56,452 INFO L225 Difference]: With dead ends: 903 [2024-11-16 15:54:56,452 INFO L226 Difference]: Without dead ends: 587 [2024-11-16 15:54:56,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:54:56,454 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 66 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:56,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 140 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:54:56,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-16 15:54:56,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 428. [2024-11-16 15:54:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 310 states have (on average 1.1483870967741936) internal successors, (356), 317 states have internal predecessors, (356), 105 states have call successors, (105), 12 states have call predecessors, (105), 12 states have return successors, (105), 98 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-16 15:54:56,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 566 transitions. [2024-11-16 15:54:56,508 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 566 transitions. Word has length 187 [2024-11-16 15:54:56,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:56,510 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 566 transitions. [2024-11-16 15:54:56,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:56,510 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 566 transitions. [2024-11-16 15:54:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-16 15:54:56,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:56,512 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:56,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 15:54:56,512 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:56,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:56,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1717791184, now seen corresponding path program 1 times [2024-11-16 15:54:56,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:56,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124759139] [2024-11-16 15:54:56,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:56,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:54:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 15:54:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 15:54:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 15:54:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 15:54:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 15:54:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 15:54:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 15:54:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 15:54:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 15:54:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 15:54:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 15:54:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 15:54:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2024-11-16 15:54:57,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:57,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124759139] [2024-11-16 15:54:57,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124759139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:57,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:57,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 15:54:57,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303687913] [2024-11-16 15:54:57,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:57,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:54:57,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:57,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:54:57,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:54:57,435 INFO L87 Difference]: Start difference. First operand 428 states and 566 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:57,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:57,736 INFO L93 Difference]: Finished difference Result 790 states and 1043 transitions. [2024-11-16 15:54:57,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 15:54:57,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 190 [2024-11-16 15:54:57,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:57,740 INFO L225 Difference]: With dead ends: 790 [2024-11-16 15:54:57,740 INFO L226 Difference]: Without dead ends: 480 [2024-11-16 15:54:57,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:54:57,742 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 154 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:57,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 235 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:54:57,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-16 15:54:57,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 428. [2024-11-16 15:54:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 310 states have (on average 1.135483870967742) internal successors, (352), 317 states have internal predecessors, (352), 105 states have call successors, (105), 12 states have call predecessors, (105), 12 states have return successors, (105), 98 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-16 15:54:57,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 562 transitions. [2024-11-16 15:54:57,796 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 562 transitions. Word has length 190 [2024-11-16 15:54:57,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:57,797 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 562 transitions. [2024-11-16 15:54:57,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:57,797 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 562 transitions. [2024-11-16 15:54:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 15:54:57,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:57,799 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:57,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 15:54:57,799 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:57,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:57,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1027519260, now seen corresponding path program 1 times [2024-11-16 15:54:57,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:57,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441826393] [2024-11-16 15:54:57,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:54:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:54:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:54:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:54:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:54:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:54:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:54:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:54:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:54:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:54:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:54:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:54:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:54:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:54:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 15:54:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 15:54:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 15:54:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 15:54:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 15:54:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 15:54:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 15:54:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 15:54:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 15:54:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 15:54:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 15:54:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 15:54:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:54:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2024-11-16 15:54:59,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:54:59,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441826393] [2024-11-16 15:54:59,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441826393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:54:59,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:54:59,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 15:54:59,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564911649] [2024-11-16 15:54:59,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:54:59,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 15:54:59,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:54:59,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 15:54:59,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 15:54:59,109 INFO L87 Difference]: Start difference. First operand 428 states and 562 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:59,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:54:59,541 INFO L93 Difference]: Finished difference Result 790 states and 1035 transitions. [2024-11-16 15:54:59,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 15:54:59,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 194 [2024-11-16 15:54:59,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:54:59,546 INFO L225 Difference]: With dead ends: 790 [2024-11-16 15:54:59,546 INFO L226 Difference]: Without dead ends: 480 [2024-11-16 15:54:59,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:54:59,549 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 123 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:54:59,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 326 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:54:59,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-16 15:54:59,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 428. [2024-11-16 15:54:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 310 states have (on average 1.132258064516129) internal successors, (351), 317 states have internal predecessors, (351), 105 states have call successors, (105), 12 states have call predecessors, (105), 12 states have return successors, (105), 98 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-16 15:54:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 561 transitions. [2024-11-16 15:54:59,605 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 561 transitions. Word has length 194 [2024-11-16 15:54:59,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:54:59,605 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 561 transitions. [2024-11-16 15:54:59,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:54:59,606 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 561 transitions. [2024-11-16 15:54:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 15:54:59,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:54:59,608 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:54:59,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 15:54:59,608 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:54:59,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:54:59,608 INFO L85 PathProgramCache]: Analyzing trace with hash 183047389, now seen corresponding path program 1 times [2024-11-16 15:54:59,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:54:59,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569260598] [2024-11-16 15:54:59,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:54:59,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:54:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:55:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:55:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:55:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:55:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:55:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:55:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:55:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:55:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:55:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:55:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:55:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:55:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:55:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:55:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 15:55:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 15:55:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 15:55:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 15:55:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 15:55:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 15:55:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 15:55:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 15:55:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 15:55:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 15:55:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 15:55:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 15:55:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2024-11-16 15:55:02,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:55:02,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569260598] [2024-11-16 15:55:02,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569260598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:55:02,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:55:02,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 15:55:02,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755287516] [2024-11-16 15:55:02,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:55:02,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 15:55:02,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:55:02,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 15:55:02,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-16 15:55:02,371 INFO L87 Difference]: Start difference. First operand 428 states and 561 transitions. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:55:03,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:55:03,643 INFO L93 Difference]: Finished difference Result 450 states and 582 transitions. [2024-11-16 15:55:03,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 15:55:03,644 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 194 [2024-11-16 15:55:03,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:55:03,647 INFO L225 Difference]: With dead ends: 450 [2024-11-16 15:55:03,647 INFO L226 Difference]: Without dead ends: 447 [2024-11-16 15:55:03,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2024-11-16 15:55:03,648 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 66 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 15:55:03,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 928 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 15:55:03,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-16 15:55:03,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 424. [2024-11-16 15:55:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 306 states have (on average 1.130718954248366) internal successors, (346), 313 states have internal predecessors, (346), 105 states have call successors, (105), 12 states have call predecessors, (105), 12 states have return successors, (105), 98 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-16 15:55:03,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 556 transitions. [2024-11-16 15:55:03,701 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 556 transitions. Word has length 194 [2024-11-16 15:55:03,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:55:03,702 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 556 transitions. [2024-11-16 15:55:03,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:55:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 556 transitions. [2024-11-16 15:55:03,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-16 15:55:03,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:55:03,706 INFO L215 NwaCegarLoop]: trace histogram [39, 39, 39, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:55:03,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 15:55:03,706 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:55:03,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:55:03,707 INFO L85 PathProgramCache]: Analyzing trace with hash 401294156, now seen corresponding path program 2 times [2024-11-16 15:55:03,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:55:03,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144964943] [2024-11-16 15:55:03,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:55:03,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:55:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:55:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:55:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:55:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:55:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:55:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:55:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:55:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:55:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:55:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:55:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:55:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:55:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:55:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:55:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 15:55:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 15:55:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 15:55:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 15:55:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 15:55:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 15:55:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 15:55:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 15:55:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 15:55:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 15:55:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 15:55:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 15:55:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-16 15:55:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 15:55:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 15:55:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 15:55:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 15:55:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 15:55:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 15:55:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 15:55:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 15:55:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 15:55:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 15:55:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-16 15:55:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 15:55:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 69 proven. 11 refuted. 0 times theorem prover too weak. 2987 trivial. 0 not checked. [2024-11-16 15:55:06,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:55:06,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144964943] [2024-11-16 15:55:06,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144964943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 15:55:06,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876949605] [2024-11-16 15:55:06,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 15:55:06,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 15:55:06,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:55:06,184 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) [2024-11-16 15:55:06,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 15:55:06,277 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 15:55:06,277 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 15:55:06,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-16 15:55:06,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 15:55:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3047 trivial. 0 not checked. [2024-11-16 15:55:06,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 15:55:06,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876949605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:55:06,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 15:55:06,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 23 [2024-11-16 15:55:06,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581631984] [2024-11-16 15:55:06,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:55:06,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:55:06,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:55:06,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:55:06,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2024-11-16 15:55:06,572 INFO L87 Difference]: Start difference. First operand 424 states and 556 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:55:06,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:55:06,903 INFO L93 Difference]: Finished difference Result 440 states and 571 transitions. [2024-11-16 15:55:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 15:55:06,903 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 268 [2024-11-16 15:55:06,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:55:06,906 INFO L225 Difference]: With dead ends: 440 [2024-11-16 15:55:06,906 INFO L226 Difference]: Without dead ends: 437 [2024-11-16 15:55:06,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=98, Invalid=502, Unknown=0, NotChecked=0, Total=600 [2024-11-16 15:55:06,908 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 113 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:55:06,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 386 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:55:06,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-16 15:55:06,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 416. [2024-11-16 15:55:06,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 298 states have (on average 1.1275167785234899) internal successors, (336), 305 states have internal predecessors, (336), 105 states have call successors, (105), 12 states have call predecessors, (105), 12 states have return successors, (105), 98 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-16 15:55:06,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 546 transitions. [2024-11-16 15:55:06,988 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 546 transitions. Word has length 268 [2024-11-16 15:55:06,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:55:06,988 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 546 transitions. [2024-11-16 15:55:06,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:55:06,989 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 546 transitions. [2024-11-16 15:55:06,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-16 15:55:06,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:55:06,992 INFO L215 NwaCegarLoop]: trace histogram [39, 39, 39, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:55:07,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 15:55:07,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 15:55:07,197 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:55:07,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:55:07,197 INFO L85 PathProgramCache]: Analyzing trace with hash 315497232, now seen corresponding path program 2 times [2024-11-16 15:55:07,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:55:07,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485942978] [2024-11-16 15:55:07,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:55:07,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:55:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:55:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:55:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:55:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:55:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:55:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:55:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:55:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:55:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:55:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:55:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:55:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:55:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:55:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:55:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 15:55:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 15:55:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 15:55:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 15:55:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 15:55:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 15:55:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 15:55:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 15:55:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 15:55:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 15:55:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 15:55:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 15:55:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-16 15:55:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 15:55:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 15:55:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 15:55:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 15:55:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 15:55:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 15:55:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 15:55:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 15:55:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 15:55:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 15:55:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-16 15:55:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 15:55:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 73 proven. 7 refuted. 0 times theorem prover too weak. 2987 trivial. 0 not checked. [2024-11-16 15:55:08,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:55:08,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485942978] [2024-11-16 15:55:08,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485942978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 15:55:08,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064224015] [2024-11-16 15:55:08,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 15:55:08,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 15:55:08,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:55:08,677 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) [2024-11-16 15:55:08,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 15:55:08,773 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 15:55:08,773 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 15:55:08,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-16 15:55:08,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 15:55:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3047 trivial. 0 not checked. [2024-11-16 15:55:10,693 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 15:55:10,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064224015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:55:10,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 15:55:10,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [13] total 25 [2024-11-16 15:55:10,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663627932] [2024-11-16 15:55:10,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:55:10,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 15:55:10,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:55:10,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 15:55:10,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2024-11-16 15:55:10,696 INFO L87 Difference]: Start difference. First operand 416 states and 546 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:55:11,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:55:11,838 INFO L93 Difference]: Finished difference Result 1035 states and 1314 transitions. [2024-11-16 15:55:11,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-16 15:55:11,839 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 271 [2024-11-16 15:55:11,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:55:11,842 INFO L225 Difference]: With dead ends: 1035 [2024-11-16 15:55:11,842 INFO L226 Difference]: Without dead ends: 653 [2024-11-16 15:55:11,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=202, Invalid=1130, Unknown=0, NotChecked=0, Total=1332 [2024-11-16 15:55:11,845 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 161 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 15:55:11,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 591 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 15:55:11,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-16 15:55:11,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 470. [2024-11-16 15:55:11,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 352 states have (on average 1.1590909090909092) internal successors, (408), 359 states have internal predecessors, (408), 105 states have call successors, (105), 12 states have call predecessors, (105), 12 states have return successors, (105), 98 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-16 15:55:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 618 transitions. [2024-11-16 15:55:11,907 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 618 transitions. Word has length 271 [2024-11-16 15:55:11,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:55:11,908 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 618 transitions. [2024-11-16 15:55:11,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 15:55:11,908 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 618 transitions. [2024-11-16 15:55:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-16 15:55:11,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:55:11,910 INFO L215 NwaCegarLoop]: trace histogram [39, 39, 39, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:55:11,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 15:55:12,114 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,SelfDestructingSolverStorable20 [2024-11-16 15:55:12,115 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:55:12,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:55:12,115 INFO L85 PathProgramCache]: Analyzing trace with hash -681575121, now seen corresponding path program 1 times [2024-11-16 15:55:12,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:55:12,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611166827] [2024-11-16 15:55:12,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:55:12,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:55:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:55:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:55:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:55:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:55:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:55:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:55:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:55:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:55:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:55:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:55:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:55:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:55:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:55:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:55:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 15:55:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 15:55:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 15:55:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 15:55:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 15:55:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 15:55:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 15:55:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 15:55:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 15:55:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 15:55:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 15:55:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 15:55:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-16 15:55:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 15:55:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 15:55:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 15:55:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 15:55:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 15:55:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 15:55:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-16 15:55:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 15:55:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-16 15:55:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 15:55:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-16 15:55:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-16 15:55:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 69 proven. 11 refuted. 0 times theorem prover too weak. 2987 trivial. 0 not checked. [2024-11-16 15:55:14,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:55:14,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611166827] [2024-11-16 15:55:14,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611166827] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 15:55:14,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57541264] [2024-11-16 15:55:14,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:55:14,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 15:55:14,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:55:14,332 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) [2024-11-16 15:55:14,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 15:55:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:55:14,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 15:55:14,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 15:55:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 688 proven. 12 refuted. 0 times theorem prover too weak. 2367 trivial. 0 not checked. [2024-11-16 15:55:14,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 15:55:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 140 proven. 12 refuted. 0 times theorem prover too weak. 2915 trivial. 0 not checked. [2024-11-16 15:55:14,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57541264] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 15:55:14,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 15:55:14,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 20 [2024-11-16 15:55:14,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338365869] [2024-11-16 15:55:14,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 15:55:14,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-16 15:55:14,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:55:14,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-16 15:55:14,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2024-11-16 15:55:14,779 INFO L87 Difference]: Start difference. First operand 470 states and 618 transitions. Second operand has 20 states, 20 states have (on average 5.05) internal successors, (101), 20 states have internal predecessors, (101), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-11-16 15:55:16,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:55:16,417 INFO L93 Difference]: Finished difference Result 708 states and 922 transitions. [2024-11-16 15:55:16,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 15:55:16,418 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.05) internal successors, (101), 20 states have internal predecessors, (101), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 271 [2024-11-16 15:55:16,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:55:16,419 INFO L225 Difference]: With dead ends: 708 [2024-11-16 15:55:16,419 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 15:55:16,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 621 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=295, Invalid=1111, Unknown=0, NotChecked=0, Total=1406 [2024-11-16 15:55:16,421 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 182 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 15:55:16,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 414 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 15:55:16,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 15:55:16,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 15:55:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 15:55:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 15:55:16,422 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 271 [2024-11-16 15:55:16,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:55:16,423 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 15:55:16,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.05) internal successors, (101), 20 states have internal predecessors, (101), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-11-16 15:55:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 15:55:16,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 15:55:16,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 15:55:16,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 15:55:16,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 15:55:16,629 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:55:16,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 15:55:28,868 WARN L286 SmtUtils]: Spent 9.71s on a formula simplification. DAG size of input: 306 DAG size of output: 291 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-16 15:55:33,977 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 15:55:34,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:55:33 BoogieIcfgContainer [2024-11-16 15:55:34,000 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 15:55:34,001 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 15:55:34,001 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 15:55:34,001 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 15:55:34,001 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:54:34" (3/4) ... [2024-11-16 15:55:34,004 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 15:55:34,008 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-16 15:55:34,013 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-16 15:55:34,013 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 15:55:34,013 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 15:55:34,013 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 15:55:34,123 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 15:55:34,123 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 15:55:34,123 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 15:55:34,124 INFO L158 Benchmark]: Toolchain (without parser) took 60280.73ms. Allocated memory was 172.0MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 117.6MB in the beginning and 948.0MB in the end (delta: -830.4MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. [2024-11-16 15:55:34,124 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 15:55:34,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.09ms. Allocated memory is still 172.0MB. Free memory was 117.2MB in the beginning and 103.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 15:55:34,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.90ms. Allocated memory is still 172.0MB. Free memory was 103.0MB in the beginning and 100.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 15:55:34,126 INFO L158 Benchmark]: Boogie Preprocessor took 69.10ms. Allocated memory is still 172.0MB. Free memory was 100.1MB in the beginning and 97.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 15:55:34,126 INFO L158 Benchmark]: IcfgBuilder took 496.35ms. Allocated memory is still 172.0MB. Free memory was 96.7MB in the beginning and 75.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-16 15:55:34,126 INFO L158 Benchmark]: TraceAbstraction took 59209.95ms. Allocated memory was 172.0MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 74.9MB in the beginning and 954.3MB in the end (delta: -879.4MB). Peak memory consumption was 593.4MB. Max. memory is 16.1GB. [2024-11-16 15:55:34,126 INFO L158 Benchmark]: Witness Printer took 122.96ms. Allocated memory is still 1.1GB. Free memory was 954.3MB in the beginning and 948.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 15:55:34,127 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.09ms. Allocated memory is still 172.0MB. Free memory was 117.2MB in the beginning and 103.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.90ms. Allocated memory is still 172.0MB. Free memory was 103.0MB in the beginning and 100.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.10ms. Allocated memory is still 172.0MB. Free memory was 100.1MB in the beginning and 97.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 496.35ms. Allocated memory is still 172.0MB. Free memory was 96.7MB in the beginning and 75.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 59209.95ms. Allocated memory was 172.0MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 74.9MB in the beginning and 954.3MB in the end (delta: -879.4MB). Peak memory consumption was 593.4MB. Max. memory is 16.1GB. * Witness Printer took 122.96ms. Allocated memory is still 1.1GB. Free memory was 954.3MB in the beginning and 948.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.8s, OverallIterations: 22, TraceHistogramMax: 39, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2211 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2209 mSDsluCounter, 8507 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6254 mSDsCounter, 319 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6465 IncrementalHoareTripleChecker+Invalid, 6784 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 319 mSolverCounterUnsat, 2253 mSDtfsCounter, 6465 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2363 GetRequests, 2116 SyntacticMatches, 5 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1045 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=21, InterpolantAutomatonStates: 187, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 22 MinimizatonAttempts, 934 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 26.0s InterpolantComputationTime, 4238 NumberOfCodeBlocks, 3760 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 4483 ConstructedInterpolants, 0 QuantifiedInterpolants, 25645 SizeOfPredicates, 21 NumberOfNonLiveVariables, 775 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 26 InterpolantComputations, 21 PerfectInterpolantSequences, 36538/36591 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 97]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (((((((((9 + last_1_var_1_14) <= last_1_var_1_15) && (0 <= 0)) && ((9 + var_1_14) <= var_1_15)) && (16 <= var_1_14)) && (var_1_15 <= 25)) && (0 <= 0)) && ((var_1_8 + 1) == 0)) || ((var_1_8 <= 127) && (var_1_8 == var_1_14))) Ensures: ((((((((((((9 + last_1_var_1_14) <= last_1_var_1_15) && (0 <= 0)) && ((9 + var_1_14) <= var_1_15)) && (16 <= var_1_14)) && (var_1_15 <= 25)) && (0 <= 0)) && ((var_1_8 + 1) == 0)) || (var_1_8 == var_1_14)) && (cond != 0)) && (var_1_8 <= 127)) && (((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (last_1_var_1_14 == \old(last_1_var_1_14))) && (last_1_var_1_15 == \old(last_1_var_1_15)))) RESULT: Ultimate proved your program to be correct! [2024-11-16 15:55:34,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE