./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-2-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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-2-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 d9e382438d8fbe8dfce0f613a239dc56836f436a035cb511dde070c4306eb1f9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:05:08,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:05:08,913 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:05:08,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:05:08,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:05:08,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:05:08,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:05:08,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:05:08,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:05:08,947 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:05:08,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:05:08,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:05:08,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:05:08,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:05:08,950 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:05:08,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:05:08,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:05:08,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:05:08,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:05:08,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:05:08,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:05:08,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:05:08,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:05:08,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:05:08,954 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:05:08,954 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:05:08,954 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:05:08,955 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:05:08,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:05:08,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:05:08,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:05:08,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:05:08,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:05:08,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:05:08,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:05:08,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:05:08,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:05:08,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:05:08,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:05:08,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:05:08,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:05:08,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:05:08,958 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:05:08,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:05:08,959 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9e382438d8fbe8dfce0f613a239dc56836f436a035cb511dde070c4306eb1f9 [2024-10-14 20:05:09,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:05:09,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:05:09,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:05:09,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:05:09,172 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:05:09,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/copy-2-u.c [2024-10-14 20:05:10,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:05:10,545 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:05:10,546 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/copy-2-u.c [2024-10-14 20:05:10,556 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/753129b3e/05e21b96dbee4601a7a0f4bd48d3093e/FLAGac907be13 [2024-10-14 20:05:10,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/753129b3e/05e21b96dbee4601a7a0f4bd48d3093e [2024-10-14 20:05:10,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:05:10,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:05:10,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:05:10,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:05:10,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:05:10,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5288da00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10, skipping insertion in model container [2024-10-14 20:05:10,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:05:10,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:05:10,726 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:05:10,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:05:10,756 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:05:10,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10 WrapperNode [2024-10-14 20:05:10,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:05:10,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:05:10,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:05:10,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:05:10,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,792 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-10-14 20:05:10,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:05:10,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:05:10,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:05:10,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:05:10,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,803 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,821 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]. [2024-10-14 20:05:10,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:05:10,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:05:10,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:05:10,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:05:10,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (1/1) ... [2024-10-14 20:05:10,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:05:10,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:05:10,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 20:05:10,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 20:05:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:05:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:05:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 20:05:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 20:05:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 20:05:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 20:05:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 20:05:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 20:05:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:05:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:05:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 20:05:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 20:05:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 20:05:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 20:05:10,964 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:05:10,966 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:05:11,136 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-10-14 20:05:11,136 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:05:11,165 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:05:11,165 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-14 20:05:11,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:05:11 BoogieIcfgContainer [2024-10-14 20:05:11,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:05:11,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:05:11,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:05:11,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:05:11,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:05:10" (1/3) ... [2024-10-14 20:05:11,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c976ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:05:11, skipping insertion in model container [2024-10-14 20:05:11,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:10" (2/3) ... [2024-10-14 20:05:11,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c976ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:05:11, skipping insertion in model container [2024-10-14 20:05:11,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:05:11" (3/3) ... [2024-10-14 20:05:11,172 INFO L112 eAbstractionObserver]: Analyzing ICFG copy-2-u.c [2024-10-14 20:05:11,186 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:05:11,186 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-10-14 20:05:11,233 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:05:11,238 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;@3d93de61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:05:11,239 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-10-14 20:05:11,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 36 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:11,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 20:05:11,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:11,246 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 20:05:11,246 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)] === [2024-10-14 20:05:11,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:11,251 INFO L85 PathProgramCache]: Analyzing trace with hash 4539389, now seen corresponding path program 1 times [2024-10-14 20:05:11,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:11,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430285818] [2024-10-14 20:05:11,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:11,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:05:11,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:11,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430285818] [2024-10-14 20:05:11,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430285818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:05:11,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:05:11,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:05:11,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139724119] [2024-10-14 20:05:11,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:05:11,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:05:11,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:11,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:05:11,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:05:11,466 INFO L87 Difference]: Start difference. First operand has 37 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 36 states have internal predecessors, (49), 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) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:11,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:11,562 INFO L93 Difference]: Finished difference Result 84 states and 121 transitions. [2024-10-14 20:05:11,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:05:11,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2024-10-14 20:05:11,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:11,571 INFO L225 Difference]: With dead ends: 84 [2024-10-14 20:05:11,571 INFO L226 Difference]: Without dead ends: 46 [2024-10-14 20:05:11,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:05:11,575 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 57 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:11,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 38 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:05:11,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-14 20:05:11,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-10-14 20:05:11,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 34 states have (on average 1.5) internal successors, (51), 45 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2024-10-14 20:05:11,603 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 4 [2024-10-14 20:05:11,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:11,604 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2024-10-14 20:05:11,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2024-10-14 20:05:11,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 20:05:11,606 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:11,606 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:05:11,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:05:11,606 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)] === [2024-10-14 20:05:11,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:11,607 INFO L85 PathProgramCache]: Analyzing trace with hash 2090643469, now seen corresponding path program 1 times [2024-10-14 20:05:11,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:11,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600752326] [2024-10-14 20:05:11,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:11,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:11,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:05:11,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:11,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600752326] [2024-10-14 20:05:11,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600752326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:05:11,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:05:11,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 20:05:11,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596643254] [2024-10-14 20:05:11,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:05:11,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:05:11,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:11,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:05:11,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:05:11,672 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:11,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:11,728 INFO L93 Difference]: Finished difference Result 89 states and 99 transitions. [2024-10-14 20:05:11,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:05:11,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) Word has length 7 [2024-10-14 20:05:11,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:11,730 INFO L225 Difference]: With dead ends: 89 [2024-10-14 20:05:11,730 INFO L226 Difference]: Without dead ends: 83 [2024-10-14 20:05:11,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:05:11,731 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 21 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:11,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 42 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:05:11,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-14 20:05:11,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2024-10-14 20:05:11,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 76 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 93 transitions. [2024-10-14 20:05:11,744 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 93 transitions. Word has length 7 [2024-10-14 20:05:11,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:11,746 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 93 transitions. [2024-10-14 20:05:11,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:11,746 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2024-10-14 20:05:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 20:05:11,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:11,747 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-14 20:05:11,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:05:11,751 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 20:05:11,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:11,752 INFO L85 PathProgramCache]: Analyzing trace with hash 2090643524, now seen corresponding path program 1 times [2024-10-14 20:05:11,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:11,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802225423] [2024-10-14 20:05:11,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:11,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:05:11,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:11,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802225423] [2024-10-14 20:05:11,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802225423] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:05:11,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751553100] [2024-10-14 20:05:11,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:11,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:11,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:05:11,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:05:11,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:05:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:11,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:05:11,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:05:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:05:11,967 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:05:11,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751553100] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:05:11,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:05:11,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-14 20:05:11,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304572757] [2024-10-14 20:05:11,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:05:11,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:05:11,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:11,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:05:11,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:05:11,969 INFO L87 Difference]: Start difference. First operand 77 states and 93 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:12,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:12,016 INFO L93 Difference]: Finished difference Result 77 states and 93 transitions. [2024-10-14 20:05:12,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:05:12,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) Word has length 7 [2024-10-14 20:05:12,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:12,017 INFO L225 Difference]: With dead ends: 77 [2024-10-14 20:05:12,017 INFO L226 Difference]: Without dead ends: 74 [2024-10-14 20:05:12,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:05:12,018 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 13 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:12,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 57 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:05:12,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-14 20:05:12,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-10-14 20:05:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 65 states have (on average 1.3384615384615384) internal successors, (87), 73 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:12,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2024-10-14 20:05:12,025 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 87 transitions. Word has length 7 [2024-10-14 20:05:12,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:12,026 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 87 transitions. [2024-10-14 20:05:12,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:12,026 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions. [2024-10-14 20:05:12,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-14 20:05:12,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:12,026 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-14 20:05:12,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:05:12,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:12,231 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 20:05:12,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:12,232 INFO L85 PathProgramCache]: Analyzing trace with hash 385439858, now seen corresponding path program 1 times [2024-10-14 20:05:12,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:12,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981503120] [2024-10-14 20:05:12,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:12,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:05:12,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:12,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981503120] [2024-10-14 20:05:12,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981503120] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:05:12,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516153531] [2024-10-14 20:05:12,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:12,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:12,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:05:12,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:05:12,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:05:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:12,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:05:12,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:05:12,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:05:12,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:05:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:05:12,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516153531] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:05:12,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:05:12,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-14 20:05:12,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122881376] [2024-10-14 20:05:12,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:05:12,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:05:12,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:12,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:05:12,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:05:12,364 INFO L87 Difference]: Start difference. First operand 74 states and 87 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:12,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:12,458 INFO L93 Difference]: Finished difference Result 143 states and 189 transitions. [2024-10-14 20:05:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:05:12,462 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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) Word has length 8 [2024-10-14 20:05:12,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:12,464 INFO L225 Difference]: With dead ends: 143 [2024-10-14 20:05:12,464 INFO L226 Difference]: Without dead ends: 140 [2024-10-14 20:05:12,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:05:12,465 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 36 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:12,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 66 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:05:12,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-14 20:05:12,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-10-14 20:05:12,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 131 states have (on average 1.3053435114503817) internal successors, (171), 139 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:12,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 171 transitions. [2024-10-14 20:05:12,476 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 171 transitions. Word has length 8 [2024-10-14 20:05:12,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:12,477 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 171 transitions. [2024-10-14 20:05:12,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 171 transitions. [2024-10-14 20:05:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-14 20:05:12,477 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:12,478 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-14 20:05:12,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 20:05:12,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-14 20:05:12,682 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 20:05:12,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:12,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1423471238, now seen corresponding path program 1 times [2024-10-14 20:05:12,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:12,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608456482] [2024-10-14 20:05:12,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:12,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:05:12,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:12,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608456482] [2024-10-14 20:05:12,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608456482] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:05:12,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398542846] [2024-10-14 20:05:12,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:12,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:12,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:05:12,772 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:05:12,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:05:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:12,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:05:12,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:05:12,859 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:05:12,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:05:12,888 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:05:12,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398542846] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:05:12,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:05:12,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 4, 4] total 9 [2024-10-14 20:05:12,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664220403] [2024-10-14 20:05:12,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:05:12,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:05:12,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:12,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:05:12,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:05:12,890 INFO L87 Difference]: Start difference. First operand 140 states and 171 transitions. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:13,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:13,197 INFO L93 Difference]: Finished difference Result 263 states and 319 transitions. [2024-10-14 20:05:13,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:05:13,197 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 9 states have internal predecessors, (34), 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) Word has length 14 [2024-10-14 20:05:13,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:13,198 INFO L225 Difference]: With dead ends: 263 [2024-10-14 20:05:13,198 INFO L226 Difference]: Without dead ends: 140 [2024-10-14 20:05:13,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-10-14 20:05:13,200 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 361 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:13,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 26 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:05:13,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-14 20:05:13,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2024-10-14 20:05:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 131 states have (on average 1.1297709923664123) internal successors, (148), 136 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:13,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 148 transitions. [2024-10-14 20:05:13,219 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 148 transitions. Word has length 14 [2024-10-14 20:05:13,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:13,220 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 148 transitions. [2024-10-14 20:05:13,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 148 transitions. [2024-10-14 20:05:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 20:05:13,221 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:13,221 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1] [2024-10-14 20:05:13,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 20:05:13,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:13,422 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 20:05:13,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:13,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1219606146, now seen corresponding path program 2 times [2024-10-14 20:05:13,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:13,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821495128] [2024-10-14 20:05:13,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:13,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 20:05:13,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:13,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821495128] [2024-10-14 20:05:13,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821495128] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:05:13,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807447087] [2024-10-14 20:05:13,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:05:13,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:13,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:05:13,486 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:05:13,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:05:13,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 20:05:13,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:05:13,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:05:13,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:05:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 20:05:13,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:05:13,632 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 20:05:13,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807447087] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:05:13,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:05:13,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-10-14 20:05:13,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654569033] [2024-10-14 20:05:13,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:05:13,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:05:13,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:13,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:05:13,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:05:13,634 INFO L87 Difference]: Start difference. First operand 137 states and 148 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:13,679 INFO L93 Difference]: Finished difference Result 137 states and 148 transitions. [2024-10-14 20:05:13,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:05:13,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) Word has length 17 [2024-10-14 20:05:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:13,680 INFO L225 Difference]: With dead ends: 137 [2024-10-14 20:05:13,680 INFO L226 Difference]: Without dead ends: 134 [2024-10-14 20:05:13,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:05:13,681 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 34 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:13,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 35 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:05:13,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-10-14 20:05:13,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 118. [2024-10-14 20:05:13,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 115 states have (on average 1.0956521739130434) internal successors, (126), 117 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 126 transitions. [2024-10-14 20:05:13,700 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 126 transitions. Word has length 17 [2024-10-14 20:05:13,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:13,701 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 126 transitions. [2024-10-14 20:05:13,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 126 transitions. [2024-10-14 20:05:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-14 20:05:13,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:13,701 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1] [2024-10-14 20:05:13,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 20:05:13,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:13,902 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 20:05:13,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:13,903 INFO L85 PathProgramCache]: Analyzing trace with hash 781561129, now seen corresponding path program 1 times [2024-10-14 20:05:13,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:13,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169451669] [2024-10-14 20:05:13,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:13,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-14 20:05:13,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:13,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169451669] [2024-10-14 20:05:13,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169451669] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:05:13,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682618316] [2024-10-14 20:05:13,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:13,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:13,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:05:13,981 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:05:13,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:05:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:14,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:05:14,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:05:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:05:14,125 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:05:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:05:14,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682618316] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:05:14,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:05:14,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 7, 7] total 15 [2024-10-14 20:05:14,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629722774] [2024-10-14 20:05:14,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:05:14,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 20:05:14,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:14,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 20:05:14,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:05:14,194 INFO L87 Difference]: Start difference. First operand 118 states and 126 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:14,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:14,781 INFO L93 Difference]: Finished difference Result 475 states and 552 transitions. [2024-10-14 20:05:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-14 20:05:14,782 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 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) Word has length 33 [2024-10-14 20:05:14,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:14,783 INFO L225 Difference]: With dead ends: 475 [2024-10-14 20:05:14,783 INFO L226 Difference]: Without dead ends: 372 [2024-10-14 20:05:14,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-10-14 20:05:14,786 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 1069 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:14,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 39 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:05:14,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-10-14 20:05:14,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2024-10-14 20:05:14,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 369 states have (on average 1.037940379403794) internal successors, (383), 371 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 383 transitions. [2024-10-14 20:05:14,822 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 383 transitions. Word has length 33 [2024-10-14 20:05:14,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:14,823 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 383 transitions. [2024-10-14 20:05:14,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:14,823 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 383 transitions. [2024-10-14 20:05:14,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 20:05:14,828 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:14,828 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 3, 3, 3, 2, 1, 1] [2024-10-14 20:05:14,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 20:05:15,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:15,029 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-10-14 20:05:15,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:15,030 INFO L85 PathProgramCache]: Analyzing trace with hash -631098958, now seen corresponding path program 2 times [2024-10-14 20:05:15,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:15,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343727881] [2024-10-14 20:05:15,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:15,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:15,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2024-10-14 20:05:15,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:15,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343727881] [2024-10-14 20:05:15,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343727881] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:05:15,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249450233] [2024-10-14 20:05:15,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:05:15,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:15,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:05:15,210 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:05:15,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:05:15,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 20:05:15,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:05:15,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:05:15,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:05:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2024-10-14 20:05:15,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:05:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2024-10-14 20:05:15,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249450233] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:05:15,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:05:15,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-10-14 20:05:15,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715188930] [2024-10-14 20:05:15,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:05:15,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:05:15,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:15,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:05:15,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:05:15,489 INFO L87 Difference]: Start difference. First operand 372 states and 383 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:15,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:15,530 INFO L93 Difference]: Finished difference Result 372 states and 383 transitions. [2024-10-14 20:05:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:05:15,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) Word has length 103 [2024-10-14 20:05:15,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:15,531 INFO L225 Difference]: With dead ends: 372 [2024-10-14 20:05:15,531 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 20:05:15,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:05:15,533 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:15,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 10 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:05:15,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 20:05:15,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 20:05:15,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:15,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 20:05:15,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2024-10-14 20:05:15,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:15,534 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 20:05:15,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 20:05:15,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 20:05:15,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-10-14 20:05:15,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-10-14 20:05:15,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-10-14 20:05:15,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-10-14 20:05:15,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-10-14 20:05:15,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-10-14 20:05:15,537 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-10-14 20:05:15,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-10-14 20:05:15,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-10-14 20:05:15,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-10-14 20:05:15,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-10-14 20:05:15,538 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-10-14 20:05:15,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 20:05:15,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:15,741 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2024-10-14 20:05:15,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 20:05:16,359 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 20:05:16,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:05:16 BoogieIcfgContainer [2024-10-14 20:05:16,375 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 20:05:16,376 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 20:05:16,376 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 20:05:16,376 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 20:05:16,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:05:11" (3/4) ... [2024-10-14 20:05:16,378 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 20:05:16,385 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-14 20:05:16,385 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 20:05:16,386 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 20:05:16,386 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 20:05:16,459 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 20:05:16,461 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 20:05:16,461 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 20:05:16,462 INFO L158 Benchmark]: Toolchain (without parser) took 5889.12ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 122.4MB in the beginning and 90.3MB in the end (delta: 32.1MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2024-10-14 20:05:16,462 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 113.2MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:05:16,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.84ms. Allocated memory is still 190.8MB. Free memory was 122.2MB in the beginning and 110.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-14 20:05:16,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.21ms. Allocated memory is still 190.8MB. Free memory was 110.7MB in the beginning and 109.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:05:16,462 INFO L158 Benchmark]: Boogie Preprocessor took 44.80ms. Allocated memory is still 190.8MB. Free memory was 109.2MB in the beginning and 107.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 20:05:16,463 INFO L158 Benchmark]: RCFGBuilder took 326.48ms. Allocated memory is still 190.8MB. Free memory was 107.0MB in the beginning and 160.8MB in the end (delta: -53.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-10-14 20:05:16,463 INFO L158 Benchmark]: TraceAbstraction took 5208.64ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 160.3MB in the beginning and 94.5MB in the end (delta: 65.7MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. [2024-10-14 20:05:16,463 INFO L158 Benchmark]: Witness Printer took 85.65ms. Allocated memory is still 237.0MB. Free memory was 94.5MB in the beginning and 90.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 20:05:16,464 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 113.2MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.84ms. Allocated memory is still 190.8MB. Free memory was 122.2MB in the beginning and 110.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.21ms. Allocated memory is still 190.8MB. Free memory was 110.7MB in the beginning and 109.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.80ms. Allocated memory is still 190.8MB. Free memory was 109.2MB in the beginning and 107.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.48ms. Allocated memory is still 190.8MB. Free memory was 107.0MB in the beginning and 160.8MB in the end (delta: -53.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5208.64ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 160.3MB in the beginning and 94.5MB in the end (delta: 65.7MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. * Witness Printer took 85.65ms. Allocated memory is still 237.0MB. Free memory was 94.5MB in the beginning and 90.3MB in the end (delta: 4.2MB). 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: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: 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 1 procedures, 37 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 8, TraceHistogramMax: 30, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1649 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1649 mSDsluCounter, 313 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 183 mSDsCounter, 325 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 670 IncrementalHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 325 mSolverCounterUnsat, 130 mSDtfsCounter, 670 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 405 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=7, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 375 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 531 ConstructedInterpolants, 0 QuantifiedInterpolants, 1579 SizeOfPredicates, 4 NumberOfNonLiveVariables, 482 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 2580/4667 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: 25]: Loop Invariant Derived loop invariant: (((i == 0) && (n == 1000)) || (((1 <= i) && (i <= 2147483646)) && (n == 1000))) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((i == 0) && (n == 1000)) || (((1 <= i) && (i <= 2147483646)) && (n == 1000))) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((i == 0) && (n == 1000)) || (((1 <= i) && (i <= 2147483646)) && (n == 1000))) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: ((((((((1 <= i) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1000)) || ((((i == 0) && (1 <= j)) && (j <= 2147483646)) && (n == 1000))) || (((i == 0) && (j == 0)) && (n == 1000))) || ((((1 <= i) && (i <= 999)) && (j == 0)) && (n == 1000))) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((1 <= i) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1000)) || ((((i == 0) && (1 <= j)) && (j <= 2147483646)) && (n == 1000))) || (((i == 0) && (j == 0)) && (n == 1000))) || ((((1 <= i) && (i <= 999)) && (j == 0)) && (n == 1000))) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: ((((((((1 <= i) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1000)) || ((((i == 0) && (1 <= j)) && (j <= 2147483646)) && (n == 1000))) || (((i == 0) && (j == 0)) && (n == 1000))) || ((((1 <= i) && (i <= 999)) && (j == 0)) && (n == 1000))) RESULT: Ultimate proved your program to be correct! [2024-10-14 20:05:16,488 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