./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_nondet_vars.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_nondet_vars.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b36a429fc2ac304c1da00c90b438bd7c9bbfb7e9d7c6704fc9e7805ab1ca424f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:53:29,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:53:29,623 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 12:53:29,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:53:29,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:53:29,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:53:29,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:53:29,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:53:29,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:53:29,660 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:53:29,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:53:29,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:53:29,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:53:29,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:53:29,661 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:53:29,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:53:29,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 12:53:29,665 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:53:29,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:53:29,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:53:29,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:53:29,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 12:53:29,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:53:29,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 12:53:29,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:53:29,667 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 12:53:29,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:53:29,668 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:53:29,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 12:53:29,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:53:29,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:53:29,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:53:29,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:53:29,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:53:29,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:53:29,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:53:29,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:53:29,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 12:53:29,671 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:53:29,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:53:29,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:53:29,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:53:29,672 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:53:29,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:53:29,673 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b36a429fc2ac304c1da00c90b438bd7c9bbfb7e9d7c6704fc9e7805ab1ca424f [2024-10-13 12:53:29,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:53:29,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:53:29,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:53:29,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:53:29,955 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:53:29,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_nondet_vars.c [2024-10-13 12:53:31,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:53:31,465 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:53:31,465 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_nondet_vars.c [2024-10-13 12:53:31,473 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b94d901/929ec7a3f6a24173a4f8c0ca3ed32bdf/FLAG05e033cc0 [2024-10-13 12:53:31,489 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b94d901/929ec7a3f6a24173a4f8c0ca3ed32bdf [2024-10-13 12:53:31,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:53:31,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:53:31,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:53:31,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:53:31,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:53:31,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ede44aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31, skipping insertion in model container [2024-10-13 12:53:31,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:53:31,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:53:31,752 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:53:31,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:53:31,810 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:53:31,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31 WrapperNode [2024-10-13 12:53:31,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:53:31,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:53:31,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:53:31,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:53:31,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,843 INFO L138 Inliner]: procedures = 15, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-10-13 12:53:31,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:53:31,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:53:31,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:53:31,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:53:31,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,858 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,883 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-10-13 12:53:31,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:53:31,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:53:31,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:53:31,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:53:31,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2024-10-13 12:53:31,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:53:31,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:31,944 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) [2024-10-13 12:53:31,950 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 [2024-10-13 12:53:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:53:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 12:53:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 12:53:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:53:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 12:53:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 12:53:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 12:53:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 12:53:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:53:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:53:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 12:53:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 12:53:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 12:53:32,070 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:53:32,074 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:53:32,229 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-13 12:53:32,229 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:53:32,269 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:53:32,270 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 12:53:32,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:32 BoogieIcfgContainer [2024-10-13 12:53:32,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:53:32,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:53:32,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:53:32,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:53:32,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:53:31" (1/3) ... [2024-10-13 12:53:32,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741618f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:32, skipping insertion in model container [2024-10-13 12:53:32,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (2/3) ... [2024-10-13 12:53:32,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741618f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:32, skipping insertion in model container [2024-10-13 12:53:32,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:32" (3/3) ... [2024-10-13 12:53:32,280 INFO L112 eAbstractionObserver]: Analyzing ICFG array_init_nondet_vars.c [2024-10-13 12:53:32,296 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:53:32,296 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-13 12:53:32,366 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:53:32,378 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;@2484a64f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:53:32,378 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-13 12:53:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 32 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 12:53:32,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-13 12:53:32,390 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:32,390 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:32,391 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:32,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:32,397 INFO L85 PathProgramCache]: Analyzing trace with hash -137247861, now seen corresponding path program 1 times [2024-10-13 12:53:32,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:32,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363561760] [2024-10-13 12:53:32,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:32,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:32,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:32,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:32,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:32,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363561760] [2024-10-13 12:53:32,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363561760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:32,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:32,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:53:32,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301616411] [2024-10-13 12:53:32,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:32,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 12:53:32,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:32,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 12:53:32,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 12:53:32,665 INFO L87 Difference]: Start difference. First operand has 37 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 32 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:32,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:32,700 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2024-10-13 12:53:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 12:53:32,703 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2024-10-13 12:53:32,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:32,710 INFO L225 Difference]: With dead ends: 72 [2024-10-13 12:53:32,710 INFO L226 Difference]: Without dead ends: 35 [2024-10-13 12:53:32,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 12:53:32,720 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:32,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:32,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-10-13 12:53:32,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-10-13 12:53:32,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 30 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 12:53:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2024-10-13 12:53:32,750 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 17 [2024-10-13 12:53:32,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:32,750 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2024-10-13 12:53:32,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 12:53:32,750 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2024-10-13 12:53:32,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-13 12:53:32,752 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:32,752 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:32,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:53:32,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:32,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:32,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1957711737, now seen corresponding path program 1 times [2024-10-13 12:53:32,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:32,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593009961] [2024-10-13 12:53:32,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:32,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:32,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:32,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:32,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:32,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:32,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593009961] [2024-10-13 12:53:32,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593009961] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:32,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:32,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:53:32,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888552109] [2024-10-13 12:53:32,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:32,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:53:32,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:32,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:53:32,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:53:32,874 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 12:53:32,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:32,954 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2024-10-13 12:53:32,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:53:32,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-10-13 12:53:32,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:32,956 INFO L225 Difference]: With dead ends: 48 [2024-10-13 12:53:32,956 INFO L226 Difference]: Without dead ends: 46 [2024-10-13 12:53:32,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:53:32,958 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 7 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:32,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 40 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:32,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-13 12:53:32,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 38. [2024-10-13 12:53:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 33 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 12:53:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2024-10-13 12:53:32,967 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 17 [2024-10-13 12:53:32,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:32,967 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2024-10-13 12:53:32,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 12:53:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2024-10-13 12:53:32,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-13 12:53:32,968 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:32,969 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:32,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 12:53:32,969 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:32,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:32,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1918734320, now seen corresponding path program 1 times [2024-10-13 12:53:32,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:32,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459835739] [2024-10-13 12:53:32,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:32,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:33,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:33,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:33,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 12:53:33,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:33,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459835739] [2024-10-13 12:53:33,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459835739] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:33,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:33,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:33,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503510595] [2024-10-13 12:53:33,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:33,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:33,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:33,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:33,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:33,164 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 12:53:33,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:33,235 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2024-10-13 12:53:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:33,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-10-13 12:53:33,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:33,237 INFO L225 Difference]: With dead ends: 47 [2024-10-13 12:53:33,237 INFO L226 Difference]: Without dead ends: 46 [2024-10-13 12:53:33,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:33,239 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 39 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:33,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 37 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:33,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-13 12:53:33,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2024-10-13 12:53:33,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 35 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 12:53:33,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2024-10-13 12:53:33,246 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 20 [2024-10-13 12:53:33,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:33,247 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2024-10-13 12:53:33,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 12:53:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2024-10-13 12:53:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-13 12:53:33,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:33,248 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:33,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 12:53:33,248 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:33,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:33,249 INFO L85 PathProgramCache]: Analyzing trace with hash 648778273, now seen corresponding path program 1 times [2024-10-13 12:53:33,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:33,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817083338] [2024-10-13 12:53:33,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:33,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:33,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:33,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:33,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 12:53:33,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:33,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817083338] [2024-10-13 12:53:33,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817083338] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:33,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323493676] [2024-10-13 12:53:33,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:33,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:33,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:33,511 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) [2024-10-13 12:53:33,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 12:53:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:33,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 12:53:33,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:33,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 12:53:33,680 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:33,758 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 12:53:33,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323493676] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:33,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:33,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-10-13 12:53:33,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152266643] [2024-10-13 12:53:33,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:33,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:53:33,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:33,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:53:33,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:53:33,761 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 12:53:33,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:33,885 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2024-10-13 12:53:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:53:33,886 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 21 [2024-10-13 12:53:33,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:33,887 INFO L225 Difference]: With dead ends: 47 [2024-10-13 12:53:33,887 INFO L226 Difference]: Without dead ends: 46 [2024-10-13 12:53:33,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-13 12:53:33,888 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 50 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:33,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 73 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:33,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-13 12:53:33,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2024-10-13 12:53:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 36 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 12:53:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2024-10-13 12:53:33,899 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 21 [2024-10-13 12:53:33,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:33,899 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2024-10-13 12:53:33,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 12:53:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2024-10-13 12:53:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-13 12:53:33,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:33,901 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:33,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 12:53:34,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:34,102 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:34,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:34,103 INFO L85 PathProgramCache]: Analyzing trace with hash 59340562, now seen corresponding path program 1 times [2024-10-13 12:53:34,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:34,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298161535] [2024-10-13 12:53:34,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:34,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:34,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:34,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:34,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:34,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:34,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298161535] [2024-10-13 12:53:34,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298161535] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:34,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:34,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:34,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203467925] [2024-10-13 12:53:34,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:34,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:34,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:34,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:34,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:34,184 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 12:53:34,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:34,242 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2024-10-13 12:53:34,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:34,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-10-13 12:53:34,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:34,243 INFO L225 Difference]: With dead ends: 50 [2024-10-13 12:53:34,244 INFO L226 Difference]: Without dead ends: 48 [2024-10-13 12:53:34,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:34,245 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 5 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:34,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 60 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:34,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-13 12:53:34,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2024-10-13 12:53:34,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 40 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 12:53:34,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2024-10-13 12:53:34,252 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 21 [2024-10-13 12:53:34,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:34,252 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2024-10-13 12:53:34,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 12:53:34,252 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2024-10-13 12:53:34,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-13 12:53:34,253 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:34,253 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:34,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 12:53:34,254 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:34,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:34,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1362709966, now seen corresponding path program 1 times [2024-10-13 12:53:34,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:34,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294422559] [2024-10-13 12:53:34,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:34,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:34,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:34,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:34,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 12:53:34,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:34,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294422559] [2024-10-13 12:53:34,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294422559] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:34,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413127744] [2024-10-13 12:53:34,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:34,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:34,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:34,412 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) [2024-10-13 12:53:34,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 12:53:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:34,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 12:53:34,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 12:53:34,535 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:34,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413127744] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:34,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:34,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2024-10-13 12:53:34,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844148128] [2024-10-13 12:53:34,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:34,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:53:34,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:34,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:53:34,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:53:34,538 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 12:53:34,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:34,645 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2024-10-13 12:53:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:53:34,646 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-10-13 12:53:34,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:34,646 INFO L225 Difference]: With dead ends: 49 [2024-10-13 12:53:34,646 INFO L226 Difference]: Without dead ends: 48 [2024-10-13 12:53:34,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:53:34,648 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 35 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:34,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 69 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:34,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-13 12:53:34,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2024-10-13 12:53:34,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.375) internal successors, (44), 41 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 12:53:34,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2024-10-13 12:53:34,660 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 22 [2024-10-13 12:53:34,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:34,662 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2024-10-13 12:53:34,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 12:53:34,663 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-10-13 12:53:34,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-13 12:53:34,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:34,664 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:34,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 12:53:34,864 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,SelfDestructingSolverStorable5 [2024-10-13 12:53:34,865 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:34,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:34,865 INFO L85 PathProgramCache]: Analyzing trace with hash 705664067, now seen corresponding path program 1 times [2024-10-13 12:53:34,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:34,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977264322] [2024-10-13 12:53:34,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:34,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:34,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:34,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:34,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 12:53:35,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:35,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977264322] [2024-10-13 12:53:35,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977264322] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:35,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:35,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 12:53:35,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880479136] [2024-10-13 12:53:35,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:35,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:53:35,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:35,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:53:35,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:53:35,020 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 12:53:35,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:35,124 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2024-10-13 12:53:35,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:53:35,124 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2024-10-13 12:53:35,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:35,125 INFO L225 Difference]: With dead ends: 49 [2024-10-13 12:53:35,125 INFO L226 Difference]: Without dead ends: 48 [2024-10-13 12:53:35,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:53:35,126 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 31 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:35,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 80 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:35,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-13 12:53:35,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-13 12:53:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 42 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 12:53:35,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2024-10-13 12:53:35,131 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 23 [2024-10-13 12:53:35,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:35,131 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2024-10-13 12:53:35,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 12:53:35,132 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2024-10-13 12:53:35,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 12:53:35,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:35,132 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:35,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 12:53:35,132 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:35,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:35,133 INFO L85 PathProgramCache]: Analyzing trace with hash 400751669, now seen corresponding path program 1 times [2024-10-13 12:53:35,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:35,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636230958] [2024-10-13 12:53:35,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:35,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 12:53:35,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:35,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636230958] [2024-10-13 12:53:35,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636230958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:35,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:35,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:35,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940654365] [2024-10-13 12:53:35,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:35,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:35,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:35,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:35,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:35,176 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 12:53:35,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:35,220 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2024-10-13 12:53:35,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:35,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2024-10-13 12:53:35,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:35,221 INFO L225 Difference]: With dead ends: 52 [2024-10-13 12:53:35,221 INFO L226 Difference]: Without dead ends: 50 [2024-10-13 12:53:35,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:35,222 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 5 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:35,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 64 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:35,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-13 12:53:35,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-13 12:53:35,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 44 states have internal predecessors, (47), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 12:53:35,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2024-10-13 12:53:35,227 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 24 [2024-10-13 12:53:35,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:35,227 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2024-10-13 12:53:35,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 12:53:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2024-10-13 12:53:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 12:53:35,228 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:35,228 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:35,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 12:53:35,228 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:35,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:35,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1711752724, now seen corresponding path program 1 times [2024-10-13 12:53:35,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:35,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465329964] [2024-10-13 12:53:35,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:35,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:53:35,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:35,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465329964] [2024-10-13 12:53:35,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465329964] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:35,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705573148] [2024-10-13 12:53:35,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:35,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:35,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:35,279 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) [2024-10-13 12:53:35,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 12:53:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:53:35,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 12:53:35,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:35,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705573148] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:35,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:35,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2024-10-13 12:53:35,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775160397] [2024-10-13 12:53:35,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:35,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:53:35,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:35,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:53:35,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:53:35,372 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 12:53:35,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:35,428 INFO L93 Difference]: Finished difference Result 69 states and 74 transitions. [2024-10-13 12:53:35,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:53:35,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-10-13 12:53:35,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:35,430 INFO L225 Difference]: With dead ends: 69 [2024-10-13 12:53:35,430 INFO L226 Difference]: Without dead ends: 50 [2024-10-13 12:53:35,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:53:35,430 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 8 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:35,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 70 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:35,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-13 12:53:35,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-13 12:53:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 44 states have internal predecessors, (46), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 12:53:35,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2024-10-13 12:53:35,437 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 24 [2024-10-13 12:53:35,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:35,439 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-10-13 12:53:35,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 12:53:35,439 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2024-10-13 12:53:35,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-13 12:53:35,441 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:35,441 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:35,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 12:53:35,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:35,642 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:35,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:35,643 INFO L85 PathProgramCache]: Analyzing trace with hash -224736198, now seen corresponding path program 1 times [2024-10-13 12:53:35,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:35,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188865380] [2024-10-13 12:53:35,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:35,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:53:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,779 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 12:53:35,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:35,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188865380] [2024-10-13 12:53:35,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188865380] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:35,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215313841] [2024-10-13 12:53:35,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:35,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:35,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:35,781 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:35,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 12:53:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:35,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:53:35,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 12:53:35,909 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:35,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215313841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:35,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:35,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-10-13 12:53:35,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90669317] [2024-10-13 12:53:35,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:35,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:53:35,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:35,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:53:35,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:53:35,911 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-13 12:53:35,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:35,979 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2024-10-13 12:53:35,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:53:35,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 32 [2024-10-13 12:53:35,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:35,980 INFO L225 Difference]: With dead ends: 50 [2024-10-13 12:53:35,980 INFO L226 Difference]: Without dead ends: 48 [2024-10-13 12:53:35,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:53:35,981 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 26 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:35,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 48 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:35,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-13 12:53:35,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-13 12:53:35,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 42 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 12:53:35,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2024-10-13 12:53:35,985 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 32 [2024-10-13 12:53:35,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:35,986 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2024-10-13 12:53:35,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-13 12:53:35,986 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2024-10-13 12:53:35,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-13 12:53:35,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:35,987 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:36,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 12:53:36,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:36,187 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:36,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:36,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1623112503, now seen corresponding path program 1 times [2024-10-13 12:53:36,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:36,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227692476] [2024-10-13 12:53:36,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:36,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:36,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:36,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:36,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:36,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:53:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 12:53:36,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:36,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227692476] [2024-10-13 12:53:36,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227692476] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:36,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594028406] [2024-10-13 12:53:36,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:36,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:36,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:36,347 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:36,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 12:53:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:36,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 12:53:36,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:36,466 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 12:53:36,466 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 12:53:36,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594028406] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:36,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:36,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-10-13 12:53:36,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400878978] [2024-10-13 12:53:36,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:36,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 12:53:36,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:36,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 12:53:36,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-13 12:53:36,548 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-13 12:53:36,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:36,739 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2024-10-13 12:53:36,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 12:53:36,739 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) Word has length 33 [2024-10-13 12:53:36,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:36,740 INFO L225 Difference]: With dead ends: 55 [2024-10-13 12:53:36,740 INFO L226 Difference]: Without dead ends: 52 [2024-10-13 12:53:36,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-10-13 12:53:36,741 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 41 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:36,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 111 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:36,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-13 12:53:36,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-13 12:53:36,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.225) internal successors, (49), 45 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 12:53:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2024-10-13 12:53:36,753 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 33 [2024-10-13 12:53:36,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:36,753 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2024-10-13 12:53:36,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-13 12:53:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2024-10-13 12:53:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-13 12:53:36,754 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:36,757 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:36,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 12:53:36,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-13 12:53:36,962 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:36,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:36,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1223119908, now seen corresponding path program 1 times [2024-10-13 12:53:36,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:36,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586260335] [2024-10-13 12:53:36,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:36,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:37,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:37,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:37,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:37,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:53:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:37,154 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 12:53:37,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:37,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586260335] [2024-10-13 12:53:37,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586260335] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:37,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389176459] [2024-10-13 12:53:37,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:37,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:37,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:37,157 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:37,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 12:53:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:37,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 12:53:37,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 12:53:37,348 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:37,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389176459] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:37,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:37,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2024-10-13 12:53:37,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960735557] [2024-10-13 12:53:37,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:37,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 12:53:37,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:37,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 12:53:37,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-10-13 12:53:37,350 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-13 12:53:37,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:37,451 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2024-10-13 12:53:37,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 12:53:37,452 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 34 [2024-10-13 12:53:37,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:37,452 INFO L225 Difference]: With dead ends: 52 [2024-10-13 12:53:37,453 INFO L226 Difference]: Without dead ends: 51 [2024-10-13 12:53:37,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-10-13 12:53:37,454 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 18 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:37,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 72 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:37,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-13 12:53:37,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-10-13 12:53:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 40 states have (on average 1.175) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 12:53:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2024-10-13 12:53:37,462 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 34 [2024-10-13 12:53:37,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:37,462 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2024-10-13 12:53:37,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-13 12:53:37,462 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2024-10-13 12:53:37,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-13 12:53:37,463 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:37,463 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-13 12:53:37,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 12:53:37,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:37,664 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:37,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:37,665 INFO L85 PathProgramCache]: Analyzing trace with hash -709693162, now seen corresponding path program 1 times [2024-10-13 12:53:37,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:37,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126730085] [2024-10-13 12:53:37,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:37,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:37,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:37,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:37,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:37,730 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 12:53:37,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:37,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126730085] [2024-10-13 12:53:37,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126730085] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:37,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503975626] [2024-10-13 12:53:37,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:37,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:37,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:37,732 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:37,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 12:53:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:37,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:53:37,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:37,812 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 12:53:37,812 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:53:37,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503975626] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:37,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:53:37,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-13 12:53:37,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224348100] [2024-10-13 12:53:37,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:37,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:53:37,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:37,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:53:37,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:53:37,813 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 12:53:37,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:37,865 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2024-10-13 12:53:37,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:53:37,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2024-10-13 12:53:37,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:37,866 INFO L225 Difference]: With dead ends: 51 [2024-10-13 12:53:37,866 INFO L226 Difference]: Without dead ends: 49 [2024-10-13 12:53:37,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:53:37,867 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:37,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 58 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:37,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-13 12:53:37,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-13 12:53:37,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.125) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 12:53:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2024-10-13 12:53:37,874 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 36 [2024-10-13 12:53:37,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:37,875 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2024-10-13 12:53:37,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 12:53:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2024-10-13 12:53:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-13 12:53:37,876 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:37,876 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-13 12:53:37,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 12:53:38,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:38,077 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:38,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:38,078 INFO L85 PathProgramCache]: Analyzing trace with hash -525651467, now seen corresponding path program 1 times [2024-10-13 12:53:38,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:38,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490702459] [2024-10-13 12:53:38,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:38,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:38,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:38,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:38,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:38,134 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 12:53:38,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:38,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490702459] [2024-10-13 12:53:38,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490702459] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:38,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649711315] [2024-10-13 12:53:38,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:38,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:38,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:38,136 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:38,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 12:53:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:38,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:53:38,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:38,234 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 12:53:38,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 12:53:38,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649711315] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:38,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:38,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-13 12:53:38,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995321337] [2024-10-13 12:53:38,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:38,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:53:38,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:38,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:53:38,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:53:38,283 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 12:53:38,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:38,351 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2024-10-13 12:53:38,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:53:38,352 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2024-10-13 12:53:38,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:38,354 INFO L225 Difference]: With dead ends: 61 [2024-10-13 12:53:38,354 INFO L226 Difference]: Without dead ends: 59 [2024-10-13 12:53:38,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:53:38,355 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 8 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:38,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 77 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:38,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-13 12:53:38,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-13 12:53:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 50 states have (on average 1.1) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 12:53:38,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 65 transitions. [2024-10-13 12:53:38,367 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 65 transitions. Word has length 37 [2024-10-13 12:53:38,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:38,367 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 65 transitions. [2024-10-13 12:53:38,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 12:53:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2024-10-13 12:53:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-13 12:53:38,368 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:38,368 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:38,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 12:53:38,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-13 12:53:38,576 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:38,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:38,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1515234705, now seen corresponding path program 1 times [2024-10-13 12:53:38,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:38,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428570770] [2024-10-13 12:53:38,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:38,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:38,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:38,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:38,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:38,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:53:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:38,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 12:53:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:38,806 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 26 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-13 12:53:38,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:38,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428570770] [2024-10-13 12:53:38,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428570770] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:38,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775853361] [2024-10-13 12:53:38,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:38,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:38,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:38,809 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:38,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 12:53:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:38,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 12:53:38,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 26 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-13 12:53:39,112 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 26 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-13 12:53:39,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775853361] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:39,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:39,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2024-10-13 12:53:39,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257866664] [2024-10-13 12:53:39,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:39,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-13 12:53:39,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:39,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-13 12:53:39,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=521, Unknown=0, NotChecked=0, Total=650 [2024-10-13 12:53:39,315 INFO L87 Difference]: Start difference. First operand 59 states and 65 transitions. Second operand has 26 states, 25 states have (on average 2.8) internal successors, (70), 23 states have internal predecessors, (70), 10 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 13 states have call predecessors, (13), 10 states have call successors, (13) [2024-10-13 12:53:39,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:39,633 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2024-10-13 12:53:39,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 12:53:39,633 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.8) internal successors, (70), 23 states have internal predecessors, (70), 10 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 13 states have call predecessors, (13), 10 states have call successors, (13) Word has length 47 [2024-10-13 12:53:39,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:39,635 INFO L225 Difference]: With dead ends: 84 [2024-10-13 12:53:39,635 INFO L226 Difference]: Without dead ends: 83 [2024-10-13 12:53:39,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=261, Invalid=999, Unknown=0, NotChecked=0, Total=1260 [2024-10-13 12:53:39,636 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 89 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:39,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 118 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:53:39,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-13 12:53:39,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-13 12:53:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 71 states have (on average 1.1126760563380282) internal successors, (79), 73 states have internal predecessors, (79), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 12:53:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 95 transitions. [2024-10-13 12:53:39,643 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 95 transitions. Word has length 47 [2024-10-13 12:53:39,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:39,644 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 95 transitions. [2024-10-13 12:53:39,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.8) internal successors, (70), 23 states have internal predecessors, (70), 10 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 13 states have call predecessors, (13), 10 states have call successors, (13) [2024-10-13 12:53:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2024-10-13 12:53:39,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-13 12:53:39,645 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:39,645 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:39,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 12:53:39,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-13 12:53:39,849 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:39,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:39,849 INFO L85 PathProgramCache]: Analyzing trace with hash -213427372, now seen corresponding path program 1 times [2024-10-13 12:53:39,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:39,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985103871] [2024-10-13 12:53:39,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:39,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:39,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:39,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:39,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-13 12:53:39,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:39,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985103871] [2024-10-13 12:53:39,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985103871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:53:39,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:53:39,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:53:39,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537944289] [2024-10-13 12:53:39,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:53:39,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:53:39,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:39,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:53:39,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:39,893 INFO L87 Difference]: Start difference. First operand 83 states and 95 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 12:53:39,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:39,926 INFO L93 Difference]: Finished difference Result 83 states and 95 transitions. [2024-10-13 12:53:39,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:53:39,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-10-13 12:53:39,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:39,927 INFO L225 Difference]: With dead ends: 83 [2024-10-13 12:53:39,927 INFO L226 Difference]: Without dead ends: 82 [2024-10-13 12:53:39,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:53:39,928 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 6 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:39,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 47 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:53:39,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-13 12:53:39,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-13 12:53:39,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 71 states have (on average 1.0985915492957747) internal successors, (78), 72 states have internal predecessors, (78), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 12:53:39,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2024-10-13 12:53:39,937 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 48 [2024-10-13 12:53:39,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:39,939 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2024-10-13 12:53:39,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 12:53:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2024-10-13 12:53:39,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-13 12:53:39,939 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:39,940 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:39,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 12:53:39,940 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:39,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:39,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1663170603, now seen corresponding path program 2 times [2024-10-13 12:53:39,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:39,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902776619] [2024-10-13 12:53:39,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:39,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:40,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:40,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:40,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-13 12:53:40,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:40,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902776619] [2024-10-13 12:53:40,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902776619] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:40,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348000307] [2024-10-13 12:53:40,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:53:40,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:40,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:40,064 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:40,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 12:53:40,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 12:53:40,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:53:40,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 12:53:40,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-13 12:53:40,190 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-13 12:53:40,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348000307] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:40,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:40,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 15 [2024-10-13 12:53:40,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070435508] [2024-10-13 12:53:40,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:40,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 12:53:40,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:40,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 12:53:40,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-13 12:53:40,290 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-13 12:53:40,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:40,440 INFO L93 Difference]: Finished difference Result 133 states and 146 transitions. [2024-10-13 12:53:40,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 12:53:40,441 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 51 [2024-10-13 12:53:40,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:40,441 INFO L225 Difference]: With dead ends: 133 [2024-10-13 12:53:40,441 INFO L226 Difference]: Without dead ends: 82 [2024-10-13 12:53:40,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-10-13 12:53:40,442 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 19 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:40,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 115 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:40,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-13 12:53:40,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-13 12:53:40,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 71 states have (on average 1.0704225352112675) internal successors, (76), 72 states have internal predecessors, (76), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 12:53:40,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2024-10-13 12:53:40,448 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 51 [2024-10-13 12:53:40,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:40,448 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2024-10-13 12:53:40,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-13 12:53:40,448 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2024-10-13 12:53:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-13 12:53:40,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:40,449 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:40,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 12:53:40,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-13 12:53:40,650 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:40,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:40,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1752437761, now seen corresponding path program 3 times [2024-10-13 12:53:40,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:40,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175492548] [2024-10-13 12:53:40,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:40,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:40,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:40,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:40,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:40,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:53:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:40,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 12:53:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 12:53:40,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:40,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175492548] [2024-10-13 12:53:40,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175492548] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:40,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147081231] [2024-10-13 12:53:40,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 12:53:40,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:40,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:40,830 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:40,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 12:53:40,895 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-13 12:53:40,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:53:40,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 12:53:40,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-13 12:53:41,005 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:41,124 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-13 12:53:41,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147081231] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:41,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:41,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 16 [2024-10-13 12:53:41,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651833529] [2024-10-13 12:53:41,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:41,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 12:53:41,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:41,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 12:53:41,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-10-13 12:53:41,126 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 17 states, 16 states have (on average 5.375) internal successors, (86), 17 states have internal predecessors, (86), 6 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-13 12:53:41,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:41,356 INFO L93 Difference]: Finished difference Result 107 states and 118 transitions. [2024-10-13 12:53:41,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 12:53:41,356 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.375) internal successors, (86), 17 states have internal predecessors, (86), 6 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 75 [2024-10-13 12:53:41,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:41,357 INFO L225 Difference]: With dead ends: 107 [2024-10-13 12:53:41,358 INFO L226 Difference]: Without dead ends: 56 [2024-10-13 12:53:41,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=548, Unknown=0, NotChecked=0, Total=702 [2024-10-13 12:53:41,359 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 33 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:41,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 93 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:53:41,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-13 12:53:41,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-10-13 12:53:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 46 states have (on average 1.0217391304347827) internal successors, (47), 46 states have internal predecessors, (47), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 12:53:41,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2024-10-13 12:53:41,364 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 63 transitions. Word has length 75 [2024-10-13 12:53:41,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:41,364 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 63 transitions. [2024-10-13 12:53:41,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.375) internal successors, (86), 17 states have internal predecessors, (86), 6 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-13 12:53:41,365 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2024-10-13 12:53:41,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-13 12:53:41,365 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:41,366 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:41,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-13 12:53:41,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-13 12:53:41,567 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:41,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:41,567 INFO L85 PathProgramCache]: Analyzing trace with hash 221631537, now seen corresponding path program 2 times [2024-10-13 12:53:41,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:41,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394870855] [2024-10-13 12:53:41,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:41,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:41,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:41,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:41,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:41,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:53:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:42,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 12:53:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:42,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 12:53:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:42,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 12:53:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:42,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 12:53:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 21 proven. 125 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-13 12:53:42,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:42,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394870855] [2024-10-13 12:53:42,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394870855] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:42,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120444579] [2024-10-13 12:53:42,026 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:53:42,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:42,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:42,028 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:42,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 12:53:42,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 12:53:42,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:53:42,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-13 12:53:42,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 21 proven. 125 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-13 12:53:42,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 21 proven. 125 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-13 12:53:42,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120444579] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:42,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:42,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 42 [2024-10-13 12:53:42,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133220996] [2024-10-13 12:53:42,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:42,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-13 12:53:42,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:42,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-13 12:53:42,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=1419, Unknown=0, NotChecked=0, Total=1806 [2024-10-13 12:53:42,845 INFO L87 Difference]: Start difference. First operand 56 states and 63 transitions. Second operand has 43 states, 42 states have (on average 3.1666666666666665) internal successors, (133), 41 states have internal predecessors, (133), 19 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (21), 21 states have call predecessors, (21), 19 states have call successors, (21) [2024-10-13 12:53:43,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:43,419 INFO L93 Difference]: Finished difference Result 105 states and 123 transitions. [2024-10-13 12:53:43,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-13 12:53:43,420 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.1666666666666665) internal successors, (133), 41 states have internal predecessors, (133), 19 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (21), 21 states have call predecessors, (21), 19 states have call successors, (21) Word has length 83 [2024-10-13 12:53:43,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:43,421 INFO L225 Difference]: With dead ends: 105 [2024-10-13 12:53:43,421 INFO L226 Difference]: Without dead ends: 104 [2024-10-13 12:53:43,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1585 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=827, Invalid=3079, Unknown=0, NotChecked=0, Total=3906 [2024-10-13 12:53:43,424 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 89 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:43,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 70 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:53:43,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-13 12:53:43,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-13 12:53:43,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 88 states have (on average 1.0113636363636365) internal successors, (89), 88 states have internal predecessors, (89), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-13 12:53:43,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2024-10-13 12:53:43,433 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 83 [2024-10-13 12:53:43,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:43,433 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2024-10-13 12:53:43,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.1666666666666665) internal successors, (133), 41 states have internal predecessors, (133), 19 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (21), 21 states have call predecessors, (21), 19 states have call successors, (21) [2024-10-13 12:53:43,434 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2024-10-13 12:53:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-13 12:53:43,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:53:43,437 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 12, 12, 12, 12, 12, 12, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:43,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 12:53:43,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:43,642 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 12:53:43,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:53:43,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1432576843, now seen corresponding path program 3 times [2024-10-13 12:53:43,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:53:43,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793082892] [2024-10-13 12:53:43,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:53:43,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:53:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 12:53:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 12:53:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 12:53:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:53:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 12:53:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 12:53:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 12:53:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 12:53:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 12:53:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 12:53:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 12:53:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 12:53:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 12:53:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 12:53:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:53:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 39 proven. 539 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-10-13 12:53:44,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:53:44,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793082892] [2024-10-13 12:53:44,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793082892] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:53:44,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014326023] [2024-10-13 12:53:44,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 12:53:44,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:53:44,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:53:44,646 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:53:44,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 12:53:44,733 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-13 12:53:44,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:53:44,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 12:53:44,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:53:45,283 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 33 proven. 121 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2024-10-13 12:53:45,284 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:53:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 33 proven. 121 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2024-10-13 12:53:45,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014326023] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:53:45,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:53:45,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 7, 7] total 38 [2024-10-13 12:53:45,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353219218] [2024-10-13 12:53:45,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:53:45,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-10-13 12:53:45,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:53:45,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-10-13 12:53:45,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1245, Unknown=0, NotChecked=0, Total=1482 [2024-10-13 12:53:45,581 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand has 39 states, 35 states have (on average 3.4571428571428573) internal successors, (121), 38 states have internal predecessors, (121), 19 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (22), 20 states have call predecessors, (22), 19 states have call successors, (22) [2024-10-13 12:53:46,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:53:46,551 INFO L93 Difference]: Finished difference Result 112 states and 127 transitions. [2024-10-13 12:53:46,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-13 12:53:46,552 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 35 states have (on average 3.4571428571428573) internal successors, (121), 38 states have internal predecessors, (121), 19 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (22), 20 states have call predecessors, (22), 19 states have call successors, (22) Word has length 155 [2024-10-13 12:53:46,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:53:46,553 INFO L225 Difference]: With dead ends: 112 [2024-10-13 12:53:46,553 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 12:53:46,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1134, Invalid=4566, Unknown=0, NotChecked=0, Total=5700 [2024-10-13 12:53:46,557 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:53:46,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 69 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:53:46,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 12:53:46,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 12:53:46,562 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) [2024-10-13 12:53:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 12:53:46,562 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2024-10-13 12:53:46,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:53:46,562 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 12:53:46,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 35 states have (on average 3.4571428571428573) internal successors, (121), 38 states have internal predecessors, (121), 19 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (22), 20 states have call predecessors, (22), 19 states have call successors, (22) [2024-10-13 12:53:46,563 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 12:53:46,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 12:53:46,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-10-13 12:53:46,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-10-13 12:53:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-10-13 12:53:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-10-13 12:53:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-10-13 12:53:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-10-13 12:53:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-10-13 12:53:46,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-10-13 12:53:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-10-13 12:53:46,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-10-13 12:53:46,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-13 12:53:46,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-10-13 12:53:46,771 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:53:46,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 12:53:47,002 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:53:47,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:53:47 BoogieIcfgContainer [2024-10-13 12:53:47,018 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:53:47,019 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:53:47,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:53:47,019 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:53:47,021 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:32" (3/4) ... [2024-10-13 12:53:47,022 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 12:53:47,025 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-13 12:53:47,028 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-10-13 12:53:47,029 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 12:53:47,029 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 12:53:47,029 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 12:53:47,120 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 12:53:47,120 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 12:53:47,120 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:53:47,121 INFO L158 Benchmark]: Toolchain (without parser) took 15627.57ms. Allocated memory was 134.2MB in the beginning and 257.9MB in the end (delta: 123.7MB). Free memory was 65.1MB in the beginning and 116.3MB in the end (delta: -51.2MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2024-10-13 12:53:47,121 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 134.2MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:53:47,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.72ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 64.9MB in the beginning and 151.7MB in the end (delta: -86.8MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-10-13 12:53:47,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.20ms. Allocated memory is still 178.3MB. Free memory was 151.7MB in the beginning and 150.7MB in the end (delta: 984.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:53:47,121 INFO L158 Benchmark]: Boogie Preprocessor took 57.00ms. Allocated memory is still 178.3MB. Free memory was 150.7MB in the beginning and 148.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:53:47,122 INFO L158 Benchmark]: RCFGBuilder took 367.67ms. Allocated memory is still 178.3MB. Free memory was 148.6MB in the beginning and 134.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 12:53:47,122 INFO L158 Benchmark]: TraceAbstraction took 14745.50ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 132.9MB in the beginning and 121.5MB in the end (delta: 11.4MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2024-10-13 12:53:47,122 INFO L158 Benchmark]: Witness Printer took 101.24ms. Allocated memory is still 257.9MB. Free memory was 121.5MB in the beginning and 116.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 12:53:47,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55ms. Allocated memory is still 134.2MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.72ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 64.9MB in the beginning and 151.7MB in the end (delta: -86.8MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.20ms. Allocated memory is still 178.3MB. Free memory was 151.7MB in the beginning and 150.7MB in the end (delta: 984.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.00ms. Allocated memory is still 178.3MB. Free memory was 150.7MB in the beginning and 148.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 367.67ms. Allocated memory is still 178.3MB. Free memory was 148.6MB in the beginning and 134.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14745.50ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 132.9MB in the beginning and 121.5MB in the end (delta: 11.4MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. * Witness Printer took 101.24ms. Allocated memory is still 257.9MB. Free memory was 121.5MB in the beginning and 116.3MB in the end (delta: 5.2MB). 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 14.4s, OverallIterations: 20, TraceHistogramMax: 14, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 535 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 520 mSDsluCounter, 1407 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1035 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2271 IncrementalHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 372 mSDtfsCounter, 2271 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1513 GetRequests, 1214 SyntacticMatches, 2 SemanticMatches, 297 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3425 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=19, InterpolantAutomatonStates: 217, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 20 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 1470 NumberOfCodeBlocks, 1371 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 1931 ConstructedInterpolants, 0 QuantifiedInterpolants, 7214 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1523 ConjunctsInSsa, 119 ConjunctsInUnsatCore, 41 InterpolantComputations, 12 PerfectInterpolantSequences, 2926/4304 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 10 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((n <= 99999) && (j <= 9999)) && (1 <= j)) && (i == 1)) || (((((n <= 99999) && (j <= 9999)) && (1 <= j)) && (((long long) i + j) <= 2147483647)) && (2 <= i))) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((((n <= 2147483646) && (j <= 9999)) && (1 <= j)) && (i == 1)) || ((((n <= 2147483646) && (j <= 9999)) && (1 <= j)) && (2 <= i))) - ProcedureContractResult [Line: 5]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-10-13 12:53:47,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE