./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-tiling/pr2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/pr2.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 5922a5be589e27d89439744489152c928c7510f0140c8b0fb4d1faadee969752 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:56:50,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:56:50,485 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 17:56:50,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:56:50,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:56:50,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:56:50,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:56:50,506 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:56:50,506 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:56:50,506 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:56:50,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:56:50,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:56:50,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:56:50,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:56:50,508 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:56:50,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:56:50,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 17:56:50,509 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:56:50,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:56:50,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:56:50,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:56:50,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 17:56:50,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:56:50,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 17:56:50,515 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:56:50,516 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 17:56:50,516 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:56:50,516 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:56:50,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 17:56:50,516 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:56:50,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:56:50,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:56:50,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:56:50,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:56:50,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:56:50,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:56:50,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:56:50,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 17:56:50,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:56:50,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:56:50,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:56:50,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:56:50,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:56:50,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:56:50,525 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5922a5be589e27d89439744489152c928c7510f0140c8b0fb4d1faadee969752 [2024-11-20 17:56:50,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:56:50,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:56:50,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:56:50,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:56:50,732 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:56:50,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/pr2.c [2024-11-20 17:56:52,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:56:52,203 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:56:52,204 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/pr2.c [2024-11-20 17:56:52,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/204f4bb58/833f7aa164884b80884d3e788ea1c541/FLAG450cc7a80 [2024-11-20 17:56:52,229 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/204f4bb58/833f7aa164884b80884d3e788ea1c541 [2024-11-20 17:56:52,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:56:52,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:56:52,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:56:52,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:56:52,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:56:52,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8efab13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52, skipping insertion in model container [2024-11-20 17:56:52,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:56:52,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:56:52,482 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:56:52,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:56:52,517 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:56:52,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52 WrapperNode [2024-11-20 17:56:52,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:56:52,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:56:52,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:56:52,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:56:52,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,545 INFO L138 Inliner]: procedures = 15, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2024-11-20 17:56:52,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:56:52,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:56:52,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:56:52,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:56:52,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,557 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,570 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 6, 6]. 43 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6, 0]. The 4 writes are split as follows [0, 0, 4]. [2024-11-20 17:56:52,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:56:52,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:56:52,583 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:56:52,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:56:52,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (1/1) ... [2024-11-20 17:56:52,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:56:52,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:56:52,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 17:56:52,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 17:56:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:56:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:56:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 17:56:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 17:56:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 17:56:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 17:56:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 17:56:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 17:56:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:56:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:56:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 17:56:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 17:56:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 17:56:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 17:56:52,702 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:56:52,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:56:52,845 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-20 17:56:52,845 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:56:52,858 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:56:52,859 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 17:56:52,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:52 BoogieIcfgContainer [2024-11-20 17:56:52,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:56:52,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:56:52,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:56:52,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:56:52,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:56:52" (1/3) ... [2024-11-20 17:56:52,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d3214e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:56:52, skipping insertion in model container [2024-11-20 17:56:52,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:52" (2/3) ... [2024-11-20 17:56:52,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d3214e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:56:52, skipping insertion in model container [2024-11-20 17:56:52,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:52" (3/3) ... [2024-11-20 17:56:52,866 INFO L112 eAbstractionObserver]: Analyzing ICFG pr2.c [2024-11-20 17:56:52,878 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:56:52,878 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-20 17:56:52,919 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:56:52,924 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;@5cf95bbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:56:52,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-20 17:56:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 67 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 17:56:52,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:52,932 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:52,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:52,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:52,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1804997193, now seen corresponding path program 1 times [2024-11-20 17:56:52,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:52,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474439609] [2024-11-20 17:56:52,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:52,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:53,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:56:53,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:53,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474439609] [2024-11-20 17:56:53,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474439609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:56:53,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:56:53,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 17:56:53,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590631813] [2024-11-20 17:56:53,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:56:53,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 17:56:53,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:53,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 17:56:53,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 17:56:53,101 INFO L87 Difference]: Start difference. First operand has 68 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 67 states have internal predecessors, (78), 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 2 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) [2024-11-20 17:56:53,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:53,118 INFO L93 Difference]: Finished difference Result 130 states and 147 transitions. [2024-11-20 17:56:53,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 17:56:53,120 INFO L78 Accepts]: Start accepts. Automaton has has 2 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 [2024-11-20 17:56:53,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:53,127 INFO L225 Difference]: With dead ends: 130 [2024-11-20 17:56:53,128 INFO L226 Difference]: Without dead ends: 61 [2024-11-20 17:56:53,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 17:56:53,134 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:53,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:56:53,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-20 17:56:53,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-20 17:56:53,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.6666666666666667) internal successors, (65), 60 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:53,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2024-11-20 17:56:53,165 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 7 [2024-11-20 17:56:53,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:53,165 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2024-11-20 17:56:53,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 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) [2024-11-20 17:56:53,165 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2024-11-20 17:56:53,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 17:56:53,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:53,165 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:53,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:56:53,166 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:53,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:53,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1804999115, now seen corresponding path program 1 times [2024-11-20 17:56:53,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:53,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295193725] [2024-11-20 17:56:53,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:53,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:56:53,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:53,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295193725] [2024-11-20 17:56:53,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295193725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:56:53,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:56:53,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:56:53,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649666030] [2024-11-20 17:56:53,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:56:53,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:56:53,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:53,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:56:53,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:56:53,419 INFO L87 Difference]: Start difference. First operand 61 states and 65 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) [2024-11-20 17:56:53,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:53,446 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2024-11-20 17:56:53,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:56:53,447 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 [2024-11-20 17:56:53,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:53,448 INFO L225 Difference]: With dead ends: 61 [2024-11-20 17:56:53,449 INFO L226 Difference]: Without dead ends: 60 [2024-11-20 17:56:53,450 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 [2024-11-20 17:56:53,451 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 116 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:53,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 57 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:56:53,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-20 17:56:53,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-20 17:56:53,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.641025641025641) internal successors, (64), 59 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:53,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2024-11-20 17:56:53,460 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 7 [2024-11-20 17:56:53,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:53,460 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2024-11-20 17:56:53,461 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) [2024-11-20 17:56:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2024-11-20 17:56:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 17:56:53,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:53,461 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:53,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 17:56:53,461 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:53,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:53,462 INFO L85 PathProgramCache]: Analyzing trace with hash 120397771, now seen corresponding path program 1 times [2024-11-20 17:56:53,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:53,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86666311] [2024-11-20 17:56:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:53,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:56:53,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:53,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86666311] [2024-11-20 17:56:53,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86666311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:56:53,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:56:53,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:56:53,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956502586] [2024-11-20 17:56:53,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:56:53,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:56:53,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:53,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:56:53,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:56:53,669 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:53,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:53,688 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2024-11-20 17:56:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:56:53,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 [2024-11-20 17:56:53,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:53,689 INFO L225 Difference]: With dead ends: 60 [2024-11-20 17:56:53,689 INFO L226 Difference]: Without dead ends: 59 [2024-11-20 17:56:53,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:56:53,690 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 170 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:53,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 56 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:56:53,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-20 17:56:53,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-20 17:56:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 39 states have (on average 1.6153846153846154) internal successors, (63), 58 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2024-11-20 17:56:53,694 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 8 [2024-11-20 17:56:53,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:53,695 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2024-11-20 17:56:53,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2024-11-20 17:56:53,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-20 17:56:53,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:53,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:53,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 17:56:53,696 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:53,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:53,696 INFO L85 PathProgramCache]: Analyzing trace with hash 472362386, now seen corresponding path program 1 times [2024-11-20 17:56:53,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:53,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048745450] [2024-11-20 17:56:53,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:53,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:53,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:56:53,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:53,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048745450] [2024-11-20 17:56:53,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048745450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:56:53,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:56:53,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 17:56:53,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933605476] [2024-11-20 17:56:53,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:56:53,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:56:53,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:53,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:56:53,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:56:53,728 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:53,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:53,799 INFO L93 Difference]: Finished difference Result 97 states and 104 transitions. [2024-11-20 17:56:53,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:56:53,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2024-11-20 17:56:53,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:53,800 INFO L225 Difference]: With dead ends: 97 [2024-11-20 17:56:53,801 INFO L226 Difference]: Without dead ends: 81 [2024-11-20 17:56:53,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:56:53,802 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 19 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:53,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 63 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:56:53,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-20 17:56:53,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 80. [2024-11-20 17:56:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 60 states have (on average 1.45) internal successors, (87), 79 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) [2024-11-20 17:56:53,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2024-11-20 17:56:53,807 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 11 [2024-11-20 17:56:53,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:53,808 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2024-11-20 17:56:53,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2024-11-20 17:56:53,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-20 17:56:53,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:53,809 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:53,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 17:56:53,809 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:53,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:53,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1898986302, now seen corresponding path program 1 times [2024-11-20 17:56:53,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:53,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698959669] [2024-11-20 17:56:53,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:53,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:56:53,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:53,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698959669] [2024-11-20 17:56:53,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698959669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:56:53,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:56:53,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:56:53,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965893893] [2024-11-20 17:56:53,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:56:53,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:56:53,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:53,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:56:53,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:56:53,857 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:53,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:53,907 INFO L93 Difference]: Finished difference Result 90 states and 98 transitions. [2024-11-20 17:56:53,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:56:53,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 [2024-11-20 17:56:53,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:53,909 INFO L225 Difference]: With dead ends: 90 [2024-11-20 17:56:53,910 INFO L226 Difference]: Without dead ends: 88 [2024-11-20 17:56:53,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:56:53,911 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 2 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:53,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 131 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:56:53,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-20 17:56:53,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-20 17:56:53,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 68 states have (on average 1.411764705882353) internal successors, (96), 87 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:53,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2024-11-20 17:56:53,916 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 17 [2024-11-20 17:56:53,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:53,916 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2024-11-20 17:56:53,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:53,917 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2024-11-20 17:56:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-20 17:56:53,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:53,917 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:53,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 17:56:53,917 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:53,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:53,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1455470542, now seen corresponding path program 1 times [2024-11-20 17:56:53,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:53,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384137418] [2024-11-20 17:56:53,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:53,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:56:53,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:53,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384137418] [2024-11-20 17:56:53,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384137418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:56:53,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:56:53,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:56:53,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518466742] [2024-11-20 17:56:53,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:56:53,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:56:53,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:53,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:56:53,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:56:53,961 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:54,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:54,030 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2024-11-20 17:56:54,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:56:54,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2024-11-20 17:56:54,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:54,031 INFO L225 Difference]: With dead ends: 93 [2024-11-20 17:56:54,032 INFO L226 Difference]: Without dead ends: 91 [2024-11-20 17:56:54,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:56:54,033 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 11 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:54,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 99 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:56:54,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-20 17:56:54,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-20 17:56:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 90 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:54,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2024-11-20 17:56:54,038 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 21 [2024-11-20 17:56:54,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:54,038 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2024-11-20 17:56:54,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:54,038 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2024-11-20 17:56:54,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-20 17:56:54,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:54,039 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:54,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 17:56:54,039 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:54,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:54,040 INFO L85 PathProgramCache]: Analyzing trace with hash 51300494, now seen corresponding path program 1 times [2024-11-20 17:56:54,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:54,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307762268] [2024-11-20 17:56:54,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:54,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:54,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-20 17:56:54,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:54,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307762268] [2024-11-20 17:56:54,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307762268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:56:54,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:56:54,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:56:54,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852014388] [2024-11-20 17:56:54,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:56:54,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:56:54,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:54,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:56:54,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:56:54,208 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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) [2024-11-20 17:56:54,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:54,331 INFO L93 Difference]: Finished difference Result 110 states and 120 transitions. [2024-11-20 17:56:54,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:56:54,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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 25 [2024-11-20 17:56:54,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:54,333 INFO L225 Difference]: With dead ends: 110 [2024-11-20 17:56:54,333 INFO L226 Difference]: Without dead ends: 91 [2024-11-20 17:56:54,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:56:54,334 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 100 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:54,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 55 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:56:54,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-20 17:56:54,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-20 17:56:54,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 71 states have (on average 1.380281690140845) internal successors, (98), 90 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:54,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2024-11-20 17:56:54,340 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 25 [2024-11-20 17:56:54,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:54,341 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2024-11-20 17:56:54,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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) [2024-11-20 17:56:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2024-11-20 17:56:54,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 17:56:54,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:54,342 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:54,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 17:56:54,342 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:54,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:54,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1323464001, now seen corresponding path program 1 times [2024-11-20 17:56:54,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:54,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468202426] [2024-11-20 17:56:54,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:54,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:54,415 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:56:54,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:54,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468202426] [2024-11-20 17:56:54,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468202426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:56:54,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060284741] [2024-11-20 17:56:54,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:54,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:56:54,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:56:54,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:56:54,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 17:56:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:54,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:56:54,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:56:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:56:54,515 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:56:54,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060284741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:56:54,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 17:56:54,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-20 17:56:54,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143459576] [2024-11-20 17:56:54,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:56:54,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:56:54,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:54,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:56:54,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:56:54,518 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:54,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:54,601 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2024-11-20 17:56:54,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:56:54,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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 27 [2024-11-20 17:56:54,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:54,602 INFO L225 Difference]: With dead ends: 91 [2024-11-20 17:56:54,602 INFO L226 Difference]: Without dead ends: 82 [2024-11-20 17:56:54,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:56:54,603 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 29 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:54,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 75 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:56:54,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-20 17:56:54,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-20 17:56:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 71 states have (on average 1.2535211267605635) internal successors, (89), 81 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 89 transitions. [2024-11-20 17:56:54,608 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 89 transitions. Word has length 27 [2024-11-20 17:56:54,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:54,608 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 89 transitions. [2024-11-20 17:56:54,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2024-11-20 17:56:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 17:56:54,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:54,613 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:54,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 17:56:54,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:56:54,818 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:54,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:54,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1922288863, now seen corresponding path program 1 times [2024-11-20 17:56:54,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:54,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16629683] [2024-11-20 17:56:54,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:54,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:56:54,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:54,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16629683] [2024-11-20 17:56:54,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16629683] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:56:54,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308885015] [2024-11-20 17:56:54,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:54,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:56:54,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:56:54,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:56:54,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 17:56:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:54,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:56:54,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:56:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:56:54,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:56:55,010 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:56:55,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308885015] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:56:55,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:56:55,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-20 17:56:55,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561396914] [2024-11-20 17:56:55,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:56:55,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 17:56:55,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:55,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 17:56:55,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-20 17:56:55,013 INFO L87 Difference]: Start difference. First operand 82 states and 89 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:55,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:55,124 INFO L93 Difference]: Finished difference Result 117 states and 137 transitions. [2024-11-20 17:56:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 17:56:55,125 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 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 28 [2024-11-20 17:56:55,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:55,125 INFO L225 Difference]: With dead ends: 117 [2024-11-20 17:56:55,125 INFO L226 Difference]: Without dead ends: 108 [2024-11-20 17:56:55,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-20 17:56:55,126 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 52 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:55,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 129 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:56:55,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-20 17:56:55,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-20 17:56:55,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 107 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:55,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2024-11-20 17:56:55,131 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 28 [2024-11-20 17:56:55,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:55,131 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2024-11-20 17:56:55,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:55,131 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2024-11-20 17:56:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-20 17:56:55,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:55,132 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:55,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 17:56:55,332 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,SelfDestructingSolverStorable8 [2024-11-20 17:56:55,333 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:55,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:55,333 INFO L85 PathProgramCache]: Analyzing trace with hash -455151107, now seen corresponding path program 1 times [2024-11-20 17:56:55,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:55,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742523342] [2024-11-20 17:56:55,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:55,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 17:56:55,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:55,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742523342] [2024-11-20 17:56:55,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742523342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:56:55,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139414510] [2024-11-20 17:56:55,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:55,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:56:55,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:56:55,452 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:56:55,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 17:56:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:55,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 17:56:55,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:56:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 17:56:55,534 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:56:55,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139414510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:56:55,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 17:56:55,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-20 17:56:55,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221166093] [2024-11-20 17:56:55,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:56:55,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:56:55,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:55,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:56:55,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:56:55,536 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:55,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:55,604 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2024-11-20 17:56:55,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:56:55,604 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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 41 [2024-11-20 17:56:55,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:55,605 INFO L225 Difference]: With dead ends: 108 [2024-11-20 17:56:55,605 INFO L226 Difference]: Without dead ends: 107 [2024-11-20 17:56:55,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:56:55,606 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 26 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:55,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 105 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:56:55,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-20 17:56:55,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-20 17:56:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 103 states have (on average 1.1553398058252426) internal successors, (119), 106 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 119 transitions. [2024-11-20 17:56:55,616 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 119 transitions. Word has length 41 [2024-11-20 17:56:55,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:55,616 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 119 transitions. [2024-11-20 17:56:55,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:55,616 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2024-11-20 17:56:55,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-20 17:56:55,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:55,617 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:55,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 17:56:55,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:56:55,818 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:55,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:55,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1224782285, now seen corresponding path program 1 times [2024-11-20 17:56:55,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:55,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101229361] [2024-11-20 17:56:55,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:55,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 17:56:55,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:55,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101229361] [2024-11-20 17:56:55,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101229361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:56:55,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603200027] [2024-11-20 17:56:55,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:55,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:56:55,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:56:55,903 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:56:55,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 17:56:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:55,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 17:56:55,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:56:55,973 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 17:56:55,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:56:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 17:56:56,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603200027] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:56:56,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:56:56,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-20 17:56:56,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192808974] [2024-11-20 17:56:56,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:56:56,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 17:56:56,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:56,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 17:56:56,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-20 17:56:56,011 INFO L87 Difference]: Start difference. First operand 107 states and 119 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:56,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:56,106 INFO L93 Difference]: Finished difference Result 132 states and 149 transitions. [2024-11-20 17:56:56,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 17:56:56,106 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 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 42 [2024-11-20 17:56:56,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:56,107 INFO L225 Difference]: With dead ends: 132 [2024-11-20 17:56:56,107 INFO L226 Difference]: Without dead ends: 131 [2024-11-20 17:56:56,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-20 17:56:56,108 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 41 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:56,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 138 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:56:56,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-20 17:56:56,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-11-20 17:56:56,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 127 states have (on average 1.1496062992125984) internal successors, (146), 130 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 146 transitions. [2024-11-20 17:56:56,112 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 146 transitions. Word has length 42 [2024-11-20 17:56:56,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:56,112 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 146 transitions. [2024-11-20 17:56:56,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:56,112 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 146 transitions. [2024-11-20 17:56:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-20 17:56:56,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:56,113 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:56,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 17:56:56,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:56:56,317 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:56,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:56,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1840150948, now seen corresponding path program 1 times [2024-11-20 17:56:56,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:56,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377157372] [2024-11-20 17:56:56,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:56,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 17:56:56,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:56,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377157372] [2024-11-20 17:56:56,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377157372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:56:56,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:56:56,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:56:56,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332877310] [2024-11-20 17:56:56,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:56:56,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:56:56,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:56,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:56:56,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:56:56,367 INFO L87 Difference]: Start difference. First operand 131 states and 146 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:56,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:56,424 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2024-11-20 17:56:56,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:56:56,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 54 [2024-11-20 17:56:56,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:56,425 INFO L225 Difference]: With dead ends: 131 [2024-11-20 17:56:56,425 INFO L226 Difference]: Without dead ends: 130 [2024-11-20 17:56:56,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:56:56,426 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 21 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:56,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 58 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:56:56,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-20 17:56:56,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-20 17:56:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 127 states have (on average 1.141732283464567) internal successors, (145), 129 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:56,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 145 transitions. [2024-11-20 17:56:56,429 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 145 transitions. Word has length 54 [2024-11-20 17:56:56,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:56,430 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 145 transitions. [2024-11-20 17:56:56,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 145 transitions. [2024-11-20 17:56:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-20 17:56:56,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:56,431 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:56,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 17:56:56,431 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:56,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:56,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1289549437, now seen corresponding path program 2 times [2024-11-20 17:56:56,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:56,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72093131] [2024-11-20 17:56:56,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:56,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-20 17:56:56,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:56,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72093131] [2024-11-20 17:56:56,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72093131] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:56:56,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864954818] [2024-11-20 17:56:56,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:56:56,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:56:56,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:56:56,644 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:56:56,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 17:56:56,690 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:56:56,690 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:56:56,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 17:56:56,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:56:56,867 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-20 17:56:56,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:56:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-20 17:56:56,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864954818] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:56:56,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:56:56,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 3] total 8 [2024-11-20 17:56:56,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611102478] [2024-11-20 17:56:56,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:56:56,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 17:56:56,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:56,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 17:56:56,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-20 17:56:56,975 INFO L87 Difference]: Start difference. First operand 130 states and 145 transitions. Second operand has 9 states, 8 states have (on average 8.75) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:57,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:57,024 INFO L93 Difference]: Finished difference Result 130 states and 145 transitions. [2024-11-20 17:56:57,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 17:56:57,024 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 9 states have internal predecessors, (70), 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 60 [2024-11-20 17:56:57,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:57,025 INFO L225 Difference]: With dead ends: 130 [2024-11-20 17:56:57,025 INFO L226 Difference]: Without dead ends: 128 [2024-11-20 17:56:57,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 114 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-20 17:56:57,026 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 74 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:57,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 27 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:56:57,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-20 17:56:57,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 75. [2024-11-20 17:56:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.1216216216216217) internal successors, (83), 74 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:57,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2024-11-20 17:56:57,029 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 60 [2024-11-20 17:56:57,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:57,029 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2024-11-20 17:56:57,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:57,029 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2024-11-20 17:56:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-20 17:56:57,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:57,030 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:57,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 17:56:57,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-20 17:56:57,234 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-20 17:56:57,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:57,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1941929661, now seen corresponding path program 2 times [2024-11-20 17:56:57,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:57,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641837967] [2024-11-20 17:56:57,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:57,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:56:57,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:57,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641837967] [2024-11-20 17:56:57,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641837967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:56:57,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71480450] [2024-11-20 17:56:57,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:56:57,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:56:57,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:56:57,615 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:56:57,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 17:56:57,661 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:56:57,662 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:56:57,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:56:57,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:56:57,746 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-20 17:56:57,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:56:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-20 17:56:57,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71480450] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:56:57,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:56:57,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 4, 4] total 20 [2024-11-20 17:56:57,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258241267] [2024-11-20 17:56:57,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:56:57,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-20 17:56:57,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:57,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-20 17:56:57,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-20 17:56:57,823 INFO L87 Difference]: Start difference. First operand 75 states and 83 transitions. Second operand has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:58,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:58,175 INFO L93 Difference]: Finished difference Result 159 states and 178 transitions. [2024-11-20 17:56:58,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 17:56:58,175 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 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 66 [2024-11-20 17:56:58,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:58,175 INFO L225 Difference]: With dead ends: 159 [2024-11-20 17:56:58,176 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 17:56:58,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 127 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=857, Unknown=0, NotChecked=0, Total=1056 [2024-11-20 17:56:58,177 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 321 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:58,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 129 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 17:56:58,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 17:56:58,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 17:56:58,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:58,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 17:56:58,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2024-11-20 17:56:58,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:58,178 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 17:56:58,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:56:58,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 17:56:58,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 17:56:58,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-20 17:56:58,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-20 17:56:58,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-20 17:56:58,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-20 17:56:58,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-20 17:56:58,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-20 17:56:58,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-20 17:56:58,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-20 17:56:58,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-20 17:56:58,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-20 17:56:58,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-20 17:56:58,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-20 17:56:58,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-20 17:56:58,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-20 17:56:58,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-20 17:56:58,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-20 17:56:58,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-20 17:56:58,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-20 17:56:58,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-20 17:56:58,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-20 17:56:58,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-20 17:56:58,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-20 17:56:58,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 17:56:58,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:56:58,390 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:58,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 17:56:58,482 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 17:56:58,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:56:58 BoogieIcfgContainer [2024-11-20 17:56:58,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 17:56:58,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 17:56:58,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 17:56:58,494 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 17:56:58,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:52" (3/4) ... [2024-11-20 17:56:58,496 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 17:56:58,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-20 17:56:58,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-20 17:56:58,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 17:56:58,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 17:56:58,573 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 17:56:58,574 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 17:56:58,574 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 17:56:58,574 INFO L158 Benchmark]: Toolchain (without parser) took 6341.48ms. Allocated memory was 159.4MB in the beginning and 268.4MB in the end (delta: 109.1MB). Free memory was 92.5MB in the beginning and 187.1MB in the end (delta: -94.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-20 17:56:58,574 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 159.4MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:56:58,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.84ms. Allocated memory is still 159.4MB. Free memory was 92.1MB in the beginning and 124.3MB in the end (delta: -32.2MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-20 17:56:58,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.47ms. Allocated memory is still 159.4MB. Free memory was 124.3MB in the beginning and 123.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:56:58,575 INFO L158 Benchmark]: Boogie Preprocessor took 35.79ms. Allocated memory is still 159.4MB. Free memory was 123.0MB in the beginning and 120.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:56:58,575 INFO L158 Benchmark]: RCFGBuilder took 276.54ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 104.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 17:56:58,575 INFO L158 Benchmark]: TraceAbstraction took 5632.83ms. Allocated memory was 159.4MB in the beginning and 268.4MB in the end (delta: 109.1MB). Free memory was 104.1MB in the beginning and 192.3MB in the end (delta: -88.2MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-11-20 17:56:58,575 INFO L158 Benchmark]: Witness Printer took 79.80ms. Allocated memory is still 268.4MB. Free memory was 192.3MB in the beginning and 187.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 17:56:58,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 159.4MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.84ms. Allocated memory is still 159.4MB. Free memory was 92.1MB in the beginning and 124.3MB in the end (delta: -32.2MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.47ms. Allocated memory is still 159.4MB. Free memory was 124.3MB in the beginning and 123.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.79ms. Allocated memory is still 159.4MB. Free memory was 123.0MB in the beginning and 120.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 276.54ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 104.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5632.83ms. Allocated memory was 159.4MB in the beginning and 268.4MB in the end (delta: 109.1MB). Free memory was 104.1MB in the beginning and 192.3MB in the end (delta: -88.2MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Witness Printer took 79.80ms. Allocated memory is still 268.4MB. Free memory was 192.3MB in the beginning and 187.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: 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, 68 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 14, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 982 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 982 mSDsluCounter, 1195 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 662 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1392 IncrementalHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 533 mSDtfsCounter, 1392 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 532 GetRequests, 443 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=11, InterpolantAutomatonStates: 85, 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, 14 MinimizatonAttempts, 54 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 678 NumberOfCodeBlocks, 582 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 850 ConstructedInterpolants, 0 QuantifiedInterpolants, 3132 SizeOfPredicates, 4 NumberOfNonLiveVariables, 596 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 24 InterpolantComputations, 10 PerfectInterpolantSequences, 415/583 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 22 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (((((((CELLCOUNT >= 0) ? (CELLCOUNT % 2) : ((CELLCOUNT % 2) + 2)) == 0) && (1 <= i)) && (2 <= CELLCOUNT)) && (CELLCOUNT <= 2147483647)) || ((((((CELLCOUNT >= 0) ? (CELLCOUNT % 2) : ((CELLCOUNT % 2) + 2)) == 0) && (i == 0)) && (2 <= CELLCOUNT)) && (CELLCOUNT <= 2147483647))) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-20 17:56:58,591 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