./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-multidimensional/copy-partial-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 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-multidimensional/copy-partial-2-n-u.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 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:57:34,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:57:34,292 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 17:57:34,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:57:34,298 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:57:34,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:57:34,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:57:34,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:57:34,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:57:34,331 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:57:34,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:57:34,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:57:34,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:57:34,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:57:34,333 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:57:34,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:57:34,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 17:57:34,334 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:57:34,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:57:34,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:57:34,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:57:34,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 17:57:34,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:57:34,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 17:57:34,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:57:34,340 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 17:57:34,341 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:57:34,341 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:57:34,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 17:57:34,341 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:57:34,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:57:34,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:57:34,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:57:34,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:57:34,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:57:34,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:57:34,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:57:34,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 17:57:34,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:57:34,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:57:34,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:57:34,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:57:34,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:57:34,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:57:34,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee [2024-11-20 17:57:34,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:57:34,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:57:34,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:57:34,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:57:34,631 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:57:34,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2024-11-20 17:57:36,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:57:36,331 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:57:36,332 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2024-11-20 17:57:36,338 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/721e6f4ed/4b703dce8e434b1e8fc6c6c3011a987a/FLAG2a55fc3ac [2024-11-20 17:57:36,354 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/721e6f4ed/4b703dce8e434b1e8fc6c6c3011a987a [2024-11-20 17:57:36,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:57:36,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:57:36,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:57:36,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:57:36,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:57:36,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1ff693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36, skipping insertion in model container [2024-11-20 17:57:36,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:57:36,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:57:36,635 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:57:36,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:57:36,680 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:57:36,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36 WrapperNode [2024-11-20 17:57:36,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:57:36,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:57:36,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:57:36,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:57:36,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,725 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-11-20 17:57:36,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:57:36,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:57:36,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:57:36,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:57:36,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,755 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 3, 2]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-20 17:57:36,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:57:36,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:57:36,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:57:36,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:57:36,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (1/1) ... [2024-11-20 17:57:36,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:57:36,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:36,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 17:57:36,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 17:57:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:57:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 17:57:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 17:57:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:57:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 17:57:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 17:57:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 17:57:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 17:57:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 17:57:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 17:57:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:57:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:57:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 17:57:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 17:57:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 17:57:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 17:57:36,982 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:57:36,986 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:57:37,225 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-20 17:57:37,225 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:57:37,243 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:57:37,243 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-20 17:57:37,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:37 BoogieIcfgContainer [2024-11-20 17:57:37,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:57:37,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:57:37,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:57:37,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:57:37,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:57:36" (1/3) ... [2024-11-20 17:57:37,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb8ace0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:57:37, skipping insertion in model container [2024-11-20 17:57:37,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36" (2/3) ... [2024-11-20 17:57:37,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb8ace0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:57:37, skipping insertion in model container [2024-11-20 17:57:37,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:37" (3/3) ... [2024-11-20 17:57:37,254 INFO L112 eAbstractionObserver]: Analyzing ICFG copy-partial-2-n-u.c [2024-11-20 17:57:37,272 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:57:37,272 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-20 17:57:37,347 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:57:37,353 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;@52165c1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:57:37,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-20 17:57:37,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 33 states have (on average 1.7878787878787878) internal successors, (59), 45 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 17:57:37,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:37,369 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:37,370 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:37,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:37,377 INFO L85 PathProgramCache]: Analyzing trace with hash 229169842, now seen corresponding path program 1 times [2024-11-20 17:57:37,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:37,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155877991] [2024-11-20 17:57:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:37,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:37,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:37,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:37,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:37,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155877991] [2024-11-20 17:57:37,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155877991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:37,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:37,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 17:57:37,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980672651] [2024-11-20 17:57:37,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:37,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 17:57:37,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:37,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 17:57:37,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 17:57:37,616 INFO L87 Difference]: Start difference. First operand has 49 states, 33 states have (on average 1.7878787878787878) internal successors, (59), 45 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-20 17:57:37,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:37,637 INFO L93 Difference]: Finished difference Result 94 states and 123 transitions. [2024-11-20 17:57:37,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 17:57:37,640 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 16 [2024-11-20 17:57:37,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:37,648 INFO L225 Difference]: With dead ends: 94 [2024-11-20 17:57:37,648 INFO L226 Difference]: Without dead ends: 43 [2024-11-20 17:57:37,651 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 [2024-11-20 17:57:37,654 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:37,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:37,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-20 17:57:37,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-20 17:57:37,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2024-11-20 17:57:37,689 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 16 [2024-11-20 17:57:37,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:37,689 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2024-11-20 17:57:37,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-20 17:57:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2024-11-20 17:57:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 17:57:37,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:37,691 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:37,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:57:37,692 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:37,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:37,693 INFO L85 PathProgramCache]: Analyzing trace with hash -2032624902, now seen corresponding path program 1 times [2024-11-20 17:57:37,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:37,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005409678] [2024-11-20 17:57:37,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:37,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:37,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:37,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:37,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:37,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:37,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005409678] [2024-11-20 17:57:37,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005409678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:37,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:37,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:57:37,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801452003] [2024-11-20 17:57:37,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:37,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:37,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:37,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:37,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:37,909 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-20 17:57:38,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:38,015 INFO L93 Difference]: Finished difference Result 88 states and 108 transitions. [2024-11-20 17:57:38,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:38,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 16 [2024-11-20 17:57:38,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:38,017 INFO L225 Difference]: With dead ends: 88 [2024-11-20 17:57:38,017 INFO L226 Difference]: Without dead ends: 54 [2024-11-20 17:57:38,017 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 [2024-11-20 17:57:38,018 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 49 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:38,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 68 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:38,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-20 17:57:38,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-20 17:57:38,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.4871794871794872) internal successors, (58), 50 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:38,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-11-20 17:57:38,027 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 16 [2024-11-20 17:57:38,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:38,029 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-20 17:57:38,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-20 17:57:38,029 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2024-11-20 17:57:38,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-20 17:57:38,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:38,030 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:38,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 17:57:38,031 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:38,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:38,031 INFO L85 PathProgramCache]: Analyzing trace with hash 856265633, now seen corresponding path program 1 times [2024-11-20 17:57:38,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:38,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50088476] [2024-11-20 17:57:38,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:38,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:38,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:38,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:38,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:38,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:38,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50088476] [2024-11-20 17:57:38,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50088476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:38,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:38,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:57:38,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928740341] [2024-11-20 17:57:38,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:38,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:38,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:38,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:38,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:38,206 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-20 17:57:38,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:38,260 INFO L93 Difference]: Finished difference Result 99 states and 114 transitions. [2024-11-20 17:57:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:38,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 18 [2024-11-20 17:57:38,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:38,262 INFO L225 Difference]: With dead ends: 99 [2024-11-20 17:57:38,263 INFO L226 Difference]: Without dead ends: 65 [2024-11-20 17:57:38,263 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 [2024-11-20 17:57:38,265 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 28 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:38,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 82 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:38,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-20 17:57:38,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2024-11-20 17:57:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 59 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:38,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2024-11-20 17:57:38,283 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 18 [2024-11-20 17:57:38,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:38,283 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2024-11-20 17:57:38,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-20 17:57:38,283 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2024-11-20 17:57:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-20 17:57:38,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:38,286 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:38,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 17:57:38,286 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:38,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:38,286 INFO L85 PathProgramCache]: Analyzing trace with hash 817153746, now seen corresponding path program 1 times [2024-11-20 17:57:38,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:38,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637402426] [2024-11-20 17:57:38,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:38,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:38,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:38,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:38,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:38,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:38,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637402426] [2024-11-20 17:57:38,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637402426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:38,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119542727] [2024-11-20 17:57:38,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:38,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:38,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:38,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:38,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 17:57:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:38,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:38,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:38,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:38,573 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:57:38,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119542727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:38,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 17:57:38,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-20 17:57:38,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253699881] [2024-11-20 17:57:38,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:38,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:38,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:38,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:38,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:38,575 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-20 17:57:38,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:38,648 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2024-11-20 17:57:38,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:38,648 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), 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 19 [2024-11-20 17:57:38,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:38,649 INFO L225 Difference]: With dead ends: 63 [2024-11-20 17:57:38,649 INFO L226 Difference]: Without dead ends: 60 [2024-11-20 17:57:38,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:38,651 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 13 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:38,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 60 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:38,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-20 17:57:38,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-20 17:57:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.375) internal successors, (66), 56 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:38,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 70 transitions. [2024-11-20 17:57:38,660 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 70 transitions. Word has length 19 [2024-11-20 17:57:38,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:38,661 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 70 transitions. [2024-11-20 17:57:38,661 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), 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) [2024-11-20 17:57:38,661 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2024-11-20 17:57:38,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-20 17:57:38,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:38,662 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:38,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 17:57:38,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:38,863 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:38,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:38,863 INFO L85 PathProgramCache]: Analyzing trace with hash -438037585, now seen corresponding path program 1 times [2024-11-20 17:57:38,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:38,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564321748] [2024-11-20 17:57:38,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:38,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:38,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:38,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:38,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:38,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:38,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564321748] [2024-11-20 17:57:38,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564321748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:38,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045099143] [2024-11-20 17:57:38,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:38,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:38,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:38,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:38,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 17:57:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:39,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:39,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:39,046 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:57:39,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045099143] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:39,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:39,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-20 17:57:39,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636770284] [2024-11-20 17:57:39,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:39,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 17:57:39,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:39,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 17:57:39,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:57:39,094 INFO L87 Difference]: Start difference. First operand 60 states and 70 transitions. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-11-20 17:57:39,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:39,203 INFO L93 Difference]: Finished difference Result 105 states and 136 transitions. [2024-11-20 17:57:39,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:57:39,203 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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 20 [2024-11-20 17:57:39,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:39,205 INFO L225 Difference]: With dead ends: 105 [2024-11-20 17:57:39,205 INFO L226 Difference]: Without dead ends: 102 [2024-11-20 17:57:39,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:57:39,206 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 54 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:39,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 67 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:39,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-20 17:57:39,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-20 17:57:39,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 98 states have internal predecessors, (120), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:39,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 124 transitions. [2024-11-20 17:57:39,219 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 124 transitions. Word has length 20 [2024-11-20 17:57:39,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:39,219 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 124 transitions. [2024-11-20 17:57:39,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-11-20 17:57:39,219 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 124 transitions. [2024-11-20 17:57:39,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-20 17:57:39,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:39,220 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:39,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 17:57:39,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:39,421 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:39,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:39,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1890550041, now seen corresponding path program 1 times [2024-11-20 17:57:39,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:39,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310136680] [2024-11-20 17:57:39,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:39,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:39,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:39,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:39,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 17:57:39,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:39,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310136680] [2024-11-20 17:57:39,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310136680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:39,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:39,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:57:39,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469234993] [2024-11-20 17:57:39,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:39,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:39,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:39,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:39,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:39,513 INFO L87 Difference]: Start difference. First operand 102 states and 124 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-20 17:57:39,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:39,560 INFO L93 Difference]: Finished difference Result 155 states and 188 transitions. [2024-11-20 17:57:39,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:39,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 25 [2024-11-20 17:57:39,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:39,562 INFO L225 Difference]: With dead ends: 155 [2024-11-20 17:57:39,562 INFO L226 Difference]: Without dead ends: 102 [2024-11-20 17:57:39,562 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 [2024-11-20 17:57:39,563 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 35 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:39,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 66 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:39,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-20 17:57:39,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-20 17:57:39,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 90 states have (on average 1.3111111111111111) internal successors, (118), 98 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 122 transitions. [2024-11-20 17:57:39,587 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 122 transitions. Word has length 25 [2024-11-20 17:57:39,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:39,588 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 122 transitions. [2024-11-20 17:57:39,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-20 17:57:39,588 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 122 transitions. [2024-11-20 17:57:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-20 17:57:39,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:39,589 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:39,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 17:57:39,589 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:39,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:39,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1479768029, now seen corresponding path program 1 times [2024-11-20 17:57:39,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:39,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172654433] [2024-11-20 17:57:39,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:39,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:39,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:39,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 17:57:39,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:39,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172654433] [2024-11-20 17:57:39,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172654433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:39,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238030138] [2024-11-20 17:57:39,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:39,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:39,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:39,654 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:39,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 17:57:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:39,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:57:39,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:39,764 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 17:57:39,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:39,812 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 17:57:39,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238030138] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:39,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:39,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-20 17:57:39,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942258295] [2024-11-20 17:57:39,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:39,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 17:57:39,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:39,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 17:57:39,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-20 17:57:39,814 INFO L87 Difference]: Start difference. First operand 102 states and 122 transitions. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:40,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:40,165 INFO L93 Difference]: Finished difference Result 225 states and 274 transitions. [2024-11-20 17:57:40,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 17:57:40,166 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 26 [2024-11-20 17:57:40,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:40,170 INFO L225 Difference]: With dead ends: 225 [2024-11-20 17:57:40,171 INFO L226 Difference]: Without dead ends: 148 [2024-11-20 17:57:40,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-20 17:57:40,172 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 327 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:40,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 81 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 17:57:40,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-20 17:57:40,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 145. [2024-11-20 17:57:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 136 states have (on average 1.2205882352941178) internal successors, (166), 141 states have internal predecessors, (166), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2024-11-20 17:57:40,196 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 26 [2024-11-20 17:57:40,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:40,196 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2024-11-20 17:57:40,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2024-11-20 17:57:40,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-20 17:57:40,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:40,200 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:40,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 17:57:40,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:40,401 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:40,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:40,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1424946576, now seen corresponding path program 2 times [2024-11-20 17:57:40,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:40,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758681435] [2024-11-20 17:57:40,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:40,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:40,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:40,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:40,471 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-20 17:57:40,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:40,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758681435] [2024-11-20 17:57:40,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758681435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:40,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552721402] [2024-11-20 17:57:40,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:57:40,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:40,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:40,474 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:40,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 17:57:40,530 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:57:40,531 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:57:40,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:40,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-20 17:57:40,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-20 17:57:40,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552721402] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:40,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:40,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-20 17:57:40,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087369539] [2024-11-20 17:57:40,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:40,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:57:40,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:40,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:57:40,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:57:40,615 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 17:57:40,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:40,685 INFO L93 Difference]: Finished difference Result 145 states and 170 transitions. [2024-11-20 17:57:40,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:57:40,686 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2024-11-20 17:57:40,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:40,687 INFO L225 Difference]: With dead ends: 145 [2024-11-20 17:57:40,687 INFO L226 Difference]: Without dead ends: 144 [2024-11-20 17:57:40,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:57:40,688 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 104 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:40,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 84 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:40,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-20 17:57:40,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2024-11-20 17:57:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 132 states have (on average 1.2121212121212122) internal successors, (160), 136 states have internal predecessors, (160), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:40,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2024-11-20 17:57:40,710 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 29 [2024-11-20 17:57:40,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:40,711 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2024-11-20 17:57:40,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 17:57:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2024-11-20 17:57:40,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 17:57:40,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:40,712 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:40,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-20 17:57:40,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:40,913 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:40,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:40,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1015021240, now seen corresponding path program 1 times [2024-11-20 17:57:40,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:40,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777943432] [2024-11-20 17:57:40,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:40,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:40,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:40,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:40,996 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-20 17:57:40,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:40,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777943432] [2024-11-20 17:57:40,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777943432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:40,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032069561] [2024-11-20 17:57:40,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:40,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:40,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:41,001 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:57:41,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 17:57:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:41,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 17:57:41,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 17:57:41,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:41,332 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 17:57:41,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032069561] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:41,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:41,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-20 17:57:41,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001695840] [2024-11-20 17:57:41,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:41,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 17:57:41,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:41,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 17:57:41,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-20 17:57:41,336 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:42,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:42,180 INFO L93 Difference]: Finished difference Result 521 states and 669 transitions. [2024-11-20 17:57:42,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-20 17:57:42,181 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2024-11-20 17:57:42,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:42,183 INFO L225 Difference]: With dead ends: 521 [2024-11-20 17:57:42,183 INFO L226 Difference]: Without dead ends: 404 [2024-11-20 17:57:42,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-20 17:57:42,185 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 1272 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:42,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1272 Valid, 123 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 17:57:42,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-20 17:57:42,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 280. [2024-11-20 17:57:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 272 states have (on average 1.1727941176470589) internal successors, (319), 276 states have internal predecessors, (319), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 323 transitions. [2024-11-20 17:57:42,206 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 323 transitions. Word has length 45 [2024-11-20 17:57:42,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:42,206 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 323 transitions. [2024-11-20 17:57:42,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:42,206 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 323 transitions. [2024-11-20 17:57:42,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-20 17:57:42,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:42,208 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:42,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-20 17:57:42,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:42,409 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:42,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2046991731, now seen corresponding path program 1 times [2024-11-20 17:57:42,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:42,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886516826] [2024-11-20 17:57:42,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:42,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:42,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:42,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-20 17:57:42,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:42,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886516826] [2024-11-20 17:57:42,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886516826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:42,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685688892] [2024-11-20 17:57:42,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:42,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:42,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:42,523 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) [2024-11-20 17:57:42,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 17:57:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:42,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 17:57:42,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:42,875 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-20 17:57:42,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:43,147 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-20 17:57:43,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685688892] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:43,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:43,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 14, 14] total 28 [2024-11-20 17:57:43,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753429561] [2024-11-20 17:57:43,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:43,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-20 17:57:43,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:43,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-20 17:57:43,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=438, Unknown=0, NotChecked=0, Total=756 [2024-11-20 17:57:43,150 INFO L87 Difference]: Start difference. First operand 280 states and 323 transitions. Second operand has 28 states, 28 states have (on average 3.5357142857142856) internal successors, (99), 28 states have internal predecessors, (99), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:43,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:43,849 INFO L93 Difference]: Finished difference Result 784 states and 987 transitions. [2024-11-20 17:57:43,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-20 17:57:43,850 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.5357142857142856) internal successors, (99), 28 states have internal predecessors, (99), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2024-11-20 17:57:43,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:43,853 INFO L225 Difference]: With dead ends: 784 [2024-11-20 17:57:43,853 INFO L226 Difference]: Without dead ends: 545 [2024-11-20 17:57:43,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=990, Invalid=1662, Unknown=0, NotChecked=0, Total=2652 [2024-11-20 17:57:43,855 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 443 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:43,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 190 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 17:57:43,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-20 17:57:43,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 281. [2024-11-20 17:57:43,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 275 states have (on average 1.0618181818181818) internal successors, (292), 277 states have internal predecessors, (292), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:43,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 296 transitions. [2024-11-20 17:57:43,881 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 296 transitions. Word has length 68 [2024-11-20 17:57:43,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:43,882 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 296 transitions. [2024-11-20 17:57:43,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.5357142857142856) internal successors, (99), 28 states have internal predecessors, (99), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:43,882 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 296 transitions. [2024-11-20 17:57:43,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-20 17:57:43,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:43,885 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:43,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 17:57:44,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:44,090 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:44,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:44,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1667274900, now seen corresponding path program 2 times [2024-11-20 17:57:44,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:44,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628780610] [2024-11-20 17:57:44,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:44,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:44,302 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-20 17:57:44,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:44,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628780610] [2024-11-20 17:57:44,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628780610] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:44,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244804145] [2024-11-20 17:57:44,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:57:44,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:44,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:44,305 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) [2024-11-20 17:57:44,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 17:57:44,378 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:57:44,378 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:57:44,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:44,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-20 17:57:44,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:44,638 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-20 17:57:44,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244804145] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:44,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:44,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-20 17:57:44,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167450103] [2024-11-20 17:57:44,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:44,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:57:44,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:44,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:57:44,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:57:44,641 INFO L87 Difference]: Start difference. First operand 281 states and 296 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 17:57:44,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:44,727 INFO L93 Difference]: Finished difference Result 281 states and 296 transitions. [2024-11-20 17:57:44,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:57:44,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 109 [2024-11-20 17:57:44,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:44,729 INFO L225 Difference]: With dead ends: 281 [2024-11-20 17:57:44,730 INFO L226 Difference]: Without dead ends: 229 [2024-11-20 17:57:44,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:57:44,730 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 63 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:44,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 44 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:44,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-20 17:57:44,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-11-20 17:57:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 225 states have (on average 1.0177777777777777) internal successors, (229), 225 states have internal predecessors, (229), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 17:57:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 233 transitions. [2024-11-20 17:57:44,747 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 233 transitions. Word has length 109 [2024-11-20 17:57:44,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:44,747 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 233 transitions. [2024-11-20 17:57:44,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 17:57:44,748 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 233 transitions. [2024-11-20 17:57:44,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-20 17:57:44,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:44,753 INFO L215 NwaCegarLoop]: trace histogram [69, 69, 69, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:44,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 17:57:44,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:44,955 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-20 17:57:44,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:44,955 INFO L85 PathProgramCache]: Analyzing trace with hash 123157549, now seen corresponding path program 1 times [2024-11-20 17:57:44,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:44,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536727821] [2024-11-20 17:57:44,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:44,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:45,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 17:57:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:45,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 17:57:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:45,244 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 0 proven. 3272 refuted. 0 times theorem prover too weak. 3989 trivial. 0 not checked. [2024-11-20 17:57:45,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:45,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536727821] [2024-11-20 17:57:45,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536727821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:45,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740017860] [2024-11-20 17:57:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:45,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:45,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:45,248 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) [2024-11-20 17:57:45,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 17:57:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:45,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-20 17:57:45,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 3270 proven. 782 refuted. 0 times theorem prover too weak. 3209 trivial. 0 not checked. [2024-11-20 17:57:46,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 3270 proven. 782 refuted. 0 times theorem prover too weak. 3209 trivial. 0 not checked. [2024-11-20 17:57:46,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740017860] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:46,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:46,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 27, 27] total 54 [2024-11-20 17:57:46,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49350895] [2024-11-20 17:57:46,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:46,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-20 17:57:46,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:46,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-20 17:57:46,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1282, Invalid=1580, Unknown=0, NotChecked=0, Total=2862 [2024-11-20 17:57:46,898 INFO L87 Difference]: Start difference. First operand 229 states and 233 transitions. Second operand has 54 states, 54 states have (on average 3.2222222222222223) internal successors, (174), 54 states have internal predecessors, (174), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:48,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:48,517 INFO L93 Difference]: Finished difference Result 602 states and 684 transitions. [2024-11-20 17:57:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-20 17:57:48,518 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 3.2222222222222223) internal successors, (174), 54 states have internal predecessors, (174), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 232 [2024-11-20 17:57:48,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:48,518 INFO L225 Difference]: With dead ends: 602 [2024-11-20 17:57:48,518 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 17:57:48,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2074 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=3982, Invalid=6730, Unknown=0, NotChecked=0, Total=10712 [2024-11-20 17:57:48,522 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 81 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:48,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 64 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 17:57:48,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 17:57:48,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 17:57:48,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:48,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 17:57:48,523 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2024-11-20 17:57:48,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:48,523 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 17:57:48,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.2222222222222223) internal successors, (174), 54 states have internal predecessors, (174), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 17:57:48,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 17:57:48,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 17:57:48,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-20 17:57:48,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-20 17:57:48,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-20 17:57:48,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-20 17:57:48,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-20 17:57:48,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-20 17:57:48,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-20 17:57:48,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-20 17:57:48,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-20 17:57:48,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-20 17:57:48,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-20 17:57:48,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-20 17:57:48,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-20 17:57:48,733 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,SelfDestructingSolverStorable11 [2024-11-20 17:57:48,737 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:48,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 17:57:52,657 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 17:57:52,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:57:52 BoogieIcfgContainer [2024-11-20 17:57:52,689 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 17:57:52,690 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 17:57:52,690 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 17:57:52,690 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 17:57:52,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:37" (3/4) ... [2024-11-20 17:57:52,694 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 17:57:52,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-20 17:57:52,703 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-20 17:57:52,703 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 17:57:52,703 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 17:57:52,704 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 17:57:52,796 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 17:57:52,797 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 17:57:52,797 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 17:57:52,797 INFO L158 Benchmark]: Toolchain (without parser) took 16438.30ms. Allocated memory was 174.1MB in the beginning and 436.2MB in the end (delta: 262.1MB). Free memory was 145.1MB in the beginning and 331.0MB in the end (delta: -185.9MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2024-11-20 17:57:52,798 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 127.9MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:57:52,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.14ms. Allocated memory is still 174.1MB. Free memory was 145.9MB in the beginning and 133.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 17:57:52,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.78ms. Allocated memory is still 174.1MB. Free memory was 133.3MB in the beginning and 132.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:57:52,798 INFO L158 Benchmark]: Boogie Preprocessor took 54.16ms. Allocated memory is still 174.1MB. Free memory was 132.3MB in the beginning and 130.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:57:52,800 INFO L158 Benchmark]: RCFGBuilder took 462.62ms. Allocated memory is still 174.1MB. Free memory was 130.2MB in the beginning and 113.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 17:57:52,800 INFO L158 Benchmark]: TraceAbstraction took 15443.28ms. Allocated memory was 174.1MB in the beginning and 436.2MB in the end (delta: 262.1MB). Free memory was 113.4MB in the beginning and 336.2MB in the end (delta: -222.8MB). Peak memory consumption was 238.5MB. Max. memory is 16.1GB. [2024-11-20 17:57:52,800 INFO L158 Benchmark]: Witness Printer took 106.89ms. Allocated memory is still 436.2MB. Free memory was 336.2MB in the beginning and 331.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 17:57:52,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 127.9MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.14ms. Allocated memory is still 174.1MB. Free memory was 145.9MB in the beginning and 133.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.78ms. Allocated memory is still 174.1MB. Free memory was 133.3MB in the beginning and 132.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.16ms. Allocated memory is still 174.1MB. Free memory was 132.3MB in the beginning and 130.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.62ms. Allocated memory is still 174.1MB. Free memory was 130.2MB in the beginning and 113.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 15443.28ms. Allocated memory was 174.1MB in the beginning and 436.2MB in the end (delta: 262.1MB). Free memory was 113.4MB in the beginning and 336.2MB in the end (delta: -222.8MB). Peak memory consumption was 238.5MB. Max. memory is 16.1GB. * Witness Printer took 106.89ms. Allocated memory is still 436.2MB. Free memory was 336.2MB in the beginning and 331.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: 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, 49 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 12, TraceHistogramMax: 69, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2469 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2469 mSDsluCounter, 983 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 617 mSDsCounter, 315 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1060 IncrementalHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 315 mSolverCounterUnsat, 366 mSDtfsCounter, 1060 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1292 GetRequests, 1055 SyntacticMatches, 0 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3191 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=10, InterpolantAutomatonStates: 160, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 397 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1171 NumberOfCodeBlocks, 1059 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1673 ConstructedInterpolants, 0 QuantifiedInterpolants, 4345 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1717 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 27 InterpolantComputations, 5 PerfectInterpolantSequences, 19846/25128 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 12 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((i == 0) && (m == 1000)) && (q <= 500)) && (s == 700)) && (n == 1500)) || (((((m == 1000) && (q <= 500)) && (1 <= i)) && (s == 700)) && (n == 1500))) - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((((((((i == 0) && (q <= 500)) && (s == 700)) && (j == 0)) && (n == 1500)) || ((((((i == 0) && (q <= 500)) && (j <= 1489)) && (1 <= j)) && (s == 700)) && (n == 1500))) || ((((((q <= 500) && (1 <= i)) && (i <= 499)) && (s == 700)) && (j == 0)) && (n == 1500))) || (((((((q <= 500) && (1 <= i)) && (j <= 1489)) && (1 <= j)) && (i <= 499)) && (s == 700)) && (n == 1500))) - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: ((((((q <= 500) && (1 <= i)) && (i <= 2147483646)) && (s == 700)) && (n == 1500)) || ((((i == 0) && (q <= 500)) && (s == 700)) && (n == 1500))) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: ((((((((i == 0) && (q <= 500)) && (s == 700)) && (j == 0)) && (n == 1500)) || ((((((i == 0) && (q <= 500)) && (j <= 1489)) && (1 <= j)) && (s == 700)) && (n == 1500))) || ((((((q <= 500) && (1 <= i)) && (i <= 499)) && (s == 700)) && (j == 0)) && (n == 1500))) || (((((((q <= 500) && (1 <= i)) && (j <= 1489)) && (1 <= j)) && (i <= 499)) && (s == 700)) && (n == 1500))) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((((((q <= 500) && (1 <= i)) && (i <= 2147483646)) && (s == 700)) && (n == 1500)) || ((((i == 0) && (q <= 500)) && (s == 700)) && (n == 1500))) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((((((m == 1000) && (q <= 500)) && (1 <= i)) && (i <= 999)) && (s == 700)) && (j == 0)) && (n == 1500)) || ((((((i == 0) && (m == 1000)) && (q <= 500)) && (s == 700)) && (j == 0)) && (n == 1500))) || (((((((i == 0) && (m == 1000)) && (q <= 500)) && (1 <= j)) && (j <= 2147483646)) && (s == 700)) && (n == 1500))) || ((((((((m == 1000) && (q <= 500)) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (s == 700)) && (n == 1500))) RESULT: Ultimate proved your program to be correct! [2024-11-20 17:57:52,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE