./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array08_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-15/array08_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd --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 64bit --witnessprinter.graph.data.programhash ea846d0aba06317f1556d20887ae97ba4fe62b0d875c0f978e04ead015c46479 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:06:51,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:06:51,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 15:06:51,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:06:51,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:06:51,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:06:51,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:06:51,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:06:51,444 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:06:51,444 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:06:51,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:06:51,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:06:51,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:06:51,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:06:51,445 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:06:51,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:06:51,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:06:51,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:06:51,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:06:51,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:06:51,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:06:51,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:06:51,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:06:51,447 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:06:51,447 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:06:51,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:06:51,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:06:51,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:06:51,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:06:51,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:06:51,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:06:51,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:06:51,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:06:51,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:06:51,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:06:51,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:06:51,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:06:51,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:06:51,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:06:51,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:06:51,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:06:51,450 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea846d0aba06317f1556d20887ae97ba4fe62b0d875c0f978e04ead015c46479 [2024-11-13 15:06:51,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:06:51,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:06:51,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:06:51,864 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:06:51,864 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:06:51,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-15/array08_alloca.i Unable to find full path for "g++" [2024-11-13 15:06:54,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:06:54,643 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:06:54,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/sv-benchmarks/c/termination-15/array08_alloca.i [2024-11-13 15:06:54,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/data/db02c7bcb/dc0b9ff9602c496caf7f78b03431241f/FLAG6f362374a [2024-11-13 15:06:54,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/data/db02c7bcb/dc0b9ff9602c496caf7f78b03431241f [2024-11-13 15:06:54,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:06:54,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:06:54,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:06:54,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:06:54,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:06:54,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:06:54" (1/1) ... [2024-11-13 15:06:54,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306feca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:54, skipping insertion in model container [2024-11-13 15:06:54,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:06:54" (1/1) ... [2024-11-13 15:06:54,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:06:55,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:06:55,237 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:06:55,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:06:55,377 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:06:55,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55 WrapperNode [2024-11-13 15:06:55,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:06:55,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:06:55,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:06:55,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:06:55,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (1/1) ... [2024-11-13 15:06:55,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (1/1) ... [2024-11-13 15:06:55,434 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-13 15:06:55,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:06:55,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:06:55,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:06:55,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:06:55,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (1/1) ... [2024-11-13 15:06:55,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (1/1) ... [2024-11-13 15:06:55,454 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (1/1) ... [2024-11-13 15:06:55,474 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-13 15:06:55,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (1/1) ... [2024-11-13 15:06:55,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (1/1) ... [2024-11-13 15:06:55,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (1/1) ... [2024-11-13 15:06:55,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (1/1) ... [2024-11-13 15:06:55,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (1/1) ... [2024-11-13 15:06:55,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (1/1) ... [2024-11-13 15:06:55,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:06:55,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:06:55,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:06:55,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:06:55,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (1/1) ... [2024-11-13 15:06:55,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:06:55,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:55,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:06:55,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:06:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:06:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:06:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:06:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:06:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:06:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:06:55,708 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:06:55,711 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:06:55,892 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-13 15:06:55,892 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:06:55,908 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:06:55,908 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 15:06:55,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:06:55 BoogieIcfgContainer [2024-11-13 15:06:55,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:06:55,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:06:55,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:06:55,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:06:55,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:06:54" (1/3) ... [2024-11-13 15:06:55,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546ec56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:06:55, skipping insertion in model container [2024-11-13 15:06:55,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:55" (2/3) ... [2024-11-13 15:06:55,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546ec56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:06:55, skipping insertion in model container [2024-11-13 15:06:55,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:06:55" (3/3) ... [2024-11-13 15:06:55,923 INFO L112 eAbstractionObserver]: Analyzing ICFG array08_alloca.i [2024-11-13 15:06:55,944 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:06:55,948 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG array08_alloca.i that has 1 procedures, 22 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2024-11-13 15:06:56,037 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:06:56,057 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;@51948b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:06:56,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 15:06:56,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 21 states have internal predecessors, (28), 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) [2024-11-13 15:06:56,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:06:56,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:56,074 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:56,075 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:06:56,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:56,083 INFO L85 PathProgramCache]: Analyzing trace with hash -591637686, now seen corresponding path program 1 times [2024-11-13 15:06:56,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:56,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261250333] [2024-11-13 15:06:56,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:56,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:56,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:56,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261250333] [2024-11-13 15:06:56,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261250333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:56,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:56,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:06:56,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758311722] [2024-11-13 15:06:56,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:56,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:06:56,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:56,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:06:56,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:06:56,321 INFO L87 Difference]: Start difference. First operand has 22 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 21 states have internal predecessors, (28), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-13 15:06:56,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:56,339 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2024-11-13 15:06:56,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:06:56,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2024-11-13 15:06:56,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:56,358 INFO L225 Difference]: With dead ends: 32 [2024-11-13 15:06:56,358 INFO L226 Difference]: Without dead ends: 18 [2024-11-13 15:06:56,362 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 [2024-11-13 15:06:56,368 INFO L432 NwaCegarLoop]: 26 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, 26 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 [2024-11-13 15:06:56,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:06:56,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-13 15:06:56,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-13 15:06:56,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.5) internal successors, (21), 17 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) [2024-11-13 15:06:56,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-11-13 15:06:56,415 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 9 [2024-11-13 15:06:56,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:56,416 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-13 15:06:56,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-13 15:06:56,416 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 15:06:56,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:06:56,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:56,417 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:56,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:06:56,419 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:06:56,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:56,423 INFO L85 PathProgramCache]: Analyzing trace with hash -592084551, now seen corresponding path program 1 times [2024-11-13 15:06:56,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:56,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809049602] [2024-11-13 15:06:56,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:56,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:56,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:56,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809049602] [2024-11-13 15:06:56,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809049602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:56,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:56,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:06:56,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809903055] [2024-11-13 15:06:56,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:56,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:06:56,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:56,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:06:56,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:06:56,662 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-13 15:06:56,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:56,770 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-13 15:06:56,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:06:56,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-13 15:06:56,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:56,773 INFO L225 Difference]: With dead ends: 27 [2024-11-13 15:06:56,773 INFO L226 Difference]: Without dead ends: 21 [2024-11-13 15:06:56,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:06:56,774 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 22 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:56,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 25 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:56,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-13 15:06:56,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2024-11-13 15:06:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 18 states have internal predecessors, (22), 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) [2024-11-13 15:06:56,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-11-13 15:06:56,784 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 9 [2024-11-13 15:06:56,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:56,784 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-11-13 15:06:56,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-13 15:06:56,785 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 15:06:56,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:06:56,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:56,785 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:56,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:06:56,786 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:06:56,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:56,786 INFO L85 PathProgramCache]: Analyzing trace with hash -592037013, now seen corresponding path program 1 times [2024-11-13 15:06:56,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:56,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787490646] [2024-11-13 15:06:56,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:56,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:56,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:56,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787490646] [2024-11-13 15:06:56,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787490646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:56,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:56,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:06:56,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500652554] [2024-11-13 15:06:56,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:56,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:06:56,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:56,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:06:56,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:06:56,945 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-13 15:06:57,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:57,008 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-11-13 15:06:57,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:06:57,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-13 15:06:57,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:57,010 INFO L225 Difference]: With dead ends: 25 [2024-11-13 15:06:57,011 INFO L226 Difference]: Without dead ends: 23 [2024-11-13 15:06:57,012 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 [2024-11-13 15:06:57,013 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:57,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 42 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:57,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-13 15:06:57,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-13 15:06:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 22 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) [2024-11-13 15:06:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-11-13 15:06:57,018 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 9 [2024-11-13 15:06:57,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:57,018 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-11-13 15:06:57,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-13 15:06:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-13 15:06:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 15:06:57,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:57,019 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:57,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:06:57,020 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:06:57,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:57,020 INFO L85 PathProgramCache]: Analyzing trace with hash 219985831, now seen corresponding path program 1 times [2024-11-13 15:06:57,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:57,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288421592] [2024-11-13 15:06:57,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:57,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:57,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:57,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288421592] [2024-11-13 15:06:57,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288421592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:57,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984367466] [2024-11-13 15:06:57,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:57,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:57,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:57,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:57,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:06:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:06:57,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:57,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 15:06:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:58,061 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:58,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2024-11-13 15:06:58,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2024-11-13 15:06:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:58,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984367466] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:06:58,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:06:58,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 14 [2024-11-13 15:06:58,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63348880] [2024-11-13 15:06:58,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:58,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 15:06:58,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:58,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 15:06:58,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:06:58,241 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 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) [2024-11-13 15:06:58,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:58,661 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2024-11-13 15:06:58,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:06:58,662 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 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 14 [2024-11-13 15:06:58,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:58,663 INFO L225 Difference]: With dead ends: 41 [2024-11-13 15:06:58,663 INFO L226 Difference]: Without dead ends: 39 [2024-11-13 15:06:58,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-13 15:06:58,667 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 65 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:58,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 68 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:06:58,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-13 15:06:58,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2024-11-13 15:06:58,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 32 states have internal predecessors, (38), 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) [2024-11-13 15:06:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2024-11-13 15:06:58,677 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 14 [2024-11-13 15:06:58,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:58,678 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2024-11-13 15:06:58,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 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) [2024-11-13 15:06:58,678 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2024-11-13 15:06:58,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 15:06:58,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:58,679 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:58,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:06:58,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:58,884 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:06:58,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:58,885 INFO L85 PathProgramCache]: Analyzing trace with hash 220033369, now seen corresponding path program 1 times [2024-11-13 15:06:58,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:58,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25909810] [2024-11-13 15:06:58,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:58,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:59,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:59,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:59,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25909810] [2024-11-13 15:06:59,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25909810] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:59,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641895508] [2024-11-13 15:06:59,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:59,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:59,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:59,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:59,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:06:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:59,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:06:59,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:59,247 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:06:59,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641895508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:59,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:59,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2024-11-13 15:06:59,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713143250] [2024-11-13 15:06:59,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:59,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:06:59,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:59,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:06:59,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:06:59,249 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2024-11-13 15:06:59,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:59,329 INFO L93 Difference]: Finished difference Result 72 states and 82 transitions. [2024-11-13 15:06:59,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:06:59,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 15:06:59,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:59,331 INFO L225 Difference]: With dead ends: 72 [2024-11-13 15:06:59,331 INFO L226 Difference]: Without dead ends: 57 [2024-11-13 15:06:59,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:06:59,333 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:59,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 45 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:59,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-13 15:06:59,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 45. [2024-11-13 15:06:59,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 44 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:06:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2024-11-13 15:06:59,350 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 14 [2024-11-13 15:06:59,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:59,350 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2024-11-13 15:06:59,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2024-11-13 15:06:59,353 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2024-11-13 15:06:59,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 15:06:59,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:59,355 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:59,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:06:59,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:59,561 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:06:59,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:59,562 INFO L85 PathProgramCache]: Analyzing trace with hash 478198807, now seen corresponding path program 1 times [2024-11-13 15:06:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:59,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283006992] [2024-11-13 15:06:59,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:59,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:59,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:59,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283006992] [2024-11-13 15:06:59,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283006992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:59,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262661436] [2024-11-13 15:06:59,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:59,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:59,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:59,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:59,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:06:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:59,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:06:59,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:59,845 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:06:59,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262661436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:59,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:59,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 15:06:59,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34719199] [2024-11-13 15:06:59,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:59,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:06:59,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:59,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:06:59,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:06:59,847 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2024-11-13 15:06:59,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:59,903 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2024-11-13 15:06:59,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:06:59,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 15:06:59,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:59,905 INFO L225 Difference]: With dead ends: 45 [2024-11-13 15:06:59,905 INFO L226 Difference]: Without dead ends: 44 [2024-11-13 15:06:59,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:06:59,906 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:59,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 48 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:06:59,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-13 15:06:59,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-13 15:06:59,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 43 states have internal predecessors, (50), 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) [2024-11-13 15:06:59,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2024-11-13 15:06:59,914 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 14 [2024-11-13 15:06:59,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:59,914 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2024-11-13 15:06:59,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2024-11-13 15:06:59,915 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-11-13 15:06:59,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 15:06:59,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:59,920 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:59,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 15:07:00,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:00,123 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:07:00,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:00,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1090315382, now seen corresponding path program 1 times [2024-11-13 15:07:00,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:00,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379405076] [2024-11-13 15:07:00,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:00,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:00,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:00,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:00,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379405076] [2024-11-13 15:07:00,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379405076] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:00,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313420919] [2024-11-13 15:07:00,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:00,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:00,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:00,502 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:00,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:07:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:00,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 15:07:00,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:00,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 15:07:00,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 15:07:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:00,708 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:00,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-11-13 15:07:00,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-11-13 15:07:00,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:00,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313420919] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:00,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:00,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2024-11-13 15:07:00,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977599914] [2024-11-13 15:07:00,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:00,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:07:00,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:00,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:07:00,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:07:00,825 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 13 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 13 states have internal predecessors, (29), 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) [2024-11-13 15:07:00,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:00,996 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2024-11-13 15:07:00,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:07:00,998 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 13 states have internal predecessors, (29), 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 15 [2024-11-13 15:07:00,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:00,999 INFO L225 Difference]: With dead ends: 46 [2024-11-13 15:07:00,999 INFO L226 Difference]: Without dead ends: 45 [2024-11-13 15:07:01,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:07:01,001 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 32 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:01,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 80 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:07:01,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-13 15:07:01,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 33. [2024-11-13 15:07:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 32 states have internal predecessors, (38), 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) [2024-11-13 15:07:01,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2024-11-13 15:07:01,011 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 15 [2024-11-13 15:07:01,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:01,011 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2024-11-13 15:07:01,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 13 states have internal predecessors, (29), 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) [2024-11-13 15:07:01,011 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2024-11-13 15:07:01,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 15:07:01,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:01,012 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:01,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 15:07:01,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:01,216 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:07:01,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:01,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1939261192, now seen corresponding path program 1 times [2024-11-13 15:07:01,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:01,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279072471] [2024-11-13 15:07:01,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:01,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:01,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:01,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279072471] [2024-11-13 15:07:01,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279072471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:01,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408674499] [2024-11-13 15:07:01,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:01,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:01,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:01,305 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:01,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:07:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:01,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:07:01,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:01,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:01,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408674499] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:01,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:01,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-13 15:07:01,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459809624] [2024-11-13 15:07:01,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:01,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:07:01,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:01,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:07:01,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:07:01,522 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 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) [2024-11-13 15:07:01,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:01,618 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2024-11-13 15:07:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:07:01,619 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 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 15 [2024-11-13 15:07:01,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:01,621 INFO L225 Difference]: With dead ends: 49 [2024-11-13 15:07:01,623 INFO L226 Difference]: Without dead ends: 48 [2024-11-13 15:07:01,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:07:01,624 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 5 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:01,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 88 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:07:01,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-13 15:07:01,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-13 15:07:01,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 47 states have internal predecessors, (59), 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) [2024-11-13 15:07:01,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2024-11-13 15:07:01,644 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 15 [2024-11-13 15:07:01,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:01,647 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2024-11-13 15:07:01,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 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) [2024-11-13 15:07:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2024-11-13 15:07:01,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 15:07:01,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:01,648 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:01,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 15:07:01,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:01,849 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:07:01,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:01,849 INFO L85 PathProgramCache]: Analyzing trace with hash -522124054, now seen corresponding path program 1 times [2024-11-13 15:07:01,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:01,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619347463] [2024-11-13 15:07:01,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:01,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:02,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:02,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619347463] [2024-11-13 15:07:02,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619347463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:02,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538398198] [2024-11-13 15:07:02,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:02,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:02,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:02,295 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:02,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 15:07:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:02,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 15:07:02,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:02,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 15:07:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:02,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:02,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2024-11-13 15:07:02,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-11-13 15:07:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:02,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538398198] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:02,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:02,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 19 [2024-11-13 15:07:02,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495558876] [2024-11-13 15:07:02,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:02,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 15:07:02,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:02,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 15:07:02,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:07:02,758 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 19 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 19 states have internal predecessors, (40), 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) [2024-11-13 15:07:02,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:02,972 INFO L93 Difference]: Finished difference Result 71 states and 82 transitions. [2024-11-13 15:07:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:07:02,973 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 19 states have internal predecessors, (40), 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 [2024-11-13 15:07:02,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:02,975 INFO L225 Difference]: With dead ends: 71 [2024-11-13 15:07:02,975 INFO L226 Difference]: Without dead ends: 57 [2024-11-13 15:07:02,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:07:02,976 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 20 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:02,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 85 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:07:02,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-13 15:07:02,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 48. [2024-11-13 15:07:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 45 states have (on average 1.288888888888889) internal successors, (58), 47 states have internal predecessors, (58), 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) [2024-11-13 15:07:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2024-11-13 15:07:02,991 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 17 [2024-11-13 15:07:02,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:02,991 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2024-11-13 15:07:02,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 19 states have internal predecessors, (40), 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) [2024-11-13 15:07:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2024-11-13 15:07:02,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 15:07:02,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:02,993 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:03,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 15:07:03,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:03,194 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:07:03,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:03,194 INFO L85 PathProgramCache]: Analyzing trace with hash 178940524, now seen corresponding path program 1 times [2024-11-13 15:07:03,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:03,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469731274] [2024-11-13 15:07:03,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:03,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:03,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 15:07:03,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:03,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469731274] [2024-11-13 15:07:03,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469731274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:03,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339609064] [2024-11-13 15:07:03,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:03,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:03,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:03,544 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:03,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:07:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:03,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 15:07:03,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:03,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 15:07:03,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 15:07:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:03,879 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:04,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2024-11-13 15:07:04,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2024-11-13 15:07:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:04,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339609064] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:04,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:04,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 19 [2024-11-13 15:07:04,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772257449] [2024-11-13 15:07:04,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:04,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 15:07:04,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:04,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 15:07:04,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:07:04,067 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 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) [2024-11-13 15:07:04,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:04,387 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2024-11-13 15:07:04,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:07:04,388 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 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 [2024-11-13 15:07:04,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:04,388 INFO L225 Difference]: With dead ends: 58 [2024-11-13 15:07:04,388 INFO L226 Difference]: Without dead ends: 40 [2024-11-13 15:07:04,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:07:04,390 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:04,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 72 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:07:04,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-13 15:07:04,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-13 15:07:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:07:04,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2024-11-13 15:07:04,398 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 17 [2024-11-13 15:07:04,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:04,398 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2024-11-13 15:07:04,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 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) [2024-11-13 15:07:04,399 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2024-11-13 15:07:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 15:07:04,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:04,399 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:04,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 15:07:04,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 15:07:04,600 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:07:04,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:04,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1801987732, now seen corresponding path program 1 times [2024-11-13 15:07:04,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:04,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944986939] [2024-11-13 15:07:04,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:04,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:04,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:04,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944986939] [2024-11-13 15:07:04,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944986939] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:04,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264768075] [2024-11-13 15:07:04,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:04,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:04,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:04,965 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:04,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 15:07:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:05,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 15:07:05,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:05,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 15:07:05,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:05,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:05,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-11-13 15:07:05,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-11-13 15:07:05,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:05,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264768075] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:05,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:05,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 26 [2024-11-13 15:07:05,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509541393] [2024-11-13 15:07:05,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:05,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 15:07:05,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:05,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 15:07:05,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:07:05,469 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 26 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 26 states have internal predecessors, (40), 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) [2024-11-13 15:07:05,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:05,694 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2024-11-13 15:07:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:07:05,695 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 26 states have internal predecessors, (40), 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 [2024-11-13 15:07:05,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:05,695 INFO L225 Difference]: With dead ends: 54 [2024-11-13 15:07:05,695 INFO L226 Difference]: Without dead ends: 44 [2024-11-13 15:07:05,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=643, Unknown=0, NotChecked=0, Total=756 [2024-11-13 15:07:05,697 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 24 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:05,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 69 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:07:05,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-13 15:07:05,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-13 15:07:05,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 43 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:07:05,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2024-11-13 15:07:05,703 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 17 [2024-11-13 15:07:05,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:05,703 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2024-11-13 15:07:05,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 26 states have internal predecessors, (40), 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) [2024-11-13 15:07:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2024-11-13 15:07:05,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 15:07:05,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:05,704 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:05,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 15:07:05,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 15:07:05,908 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:07:05,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:05,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1100923154, now seen corresponding path program 1 times [2024-11-13 15:07:05,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:05,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368748779] [2024-11-13 15:07:05,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:05,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:06,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:06,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368748779] [2024-11-13 15:07:06,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368748779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:06,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329787555] [2024-11-13 15:07:06,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:06,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:06,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:06,333 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:06,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 15:07:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:06,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 15:07:06,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:06,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 15:07:06,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 15:07:06,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:06,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:06,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-11-13 15:07:06,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-11-13 15:07:06,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:06,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329787555] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:06,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:06,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 29 [2024-11-13 15:07:06,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889768061] [2024-11-13 15:07:06,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:06,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-13 15:07:06,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:06,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-13 15:07:06,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-11-13 15:07:06,924 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 29 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 29 states have internal predecessors, (41), 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) [2024-11-13 15:07:07,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:07,329 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2024-11-13 15:07:07,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:07:07,329 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 29 states have internal predecessors, (41), 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 [2024-11-13 15:07:07,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:07,330 INFO L225 Difference]: With dead ends: 54 [2024-11-13 15:07:07,330 INFO L226 Difference]: Without dead ends: 44 [2024-11-13 15:07:07,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=150, Invalid=972, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 15:07:07,332 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 23 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:07,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 89 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:07:07,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-13 15:07:07,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2024-11-13 15:07:07,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 39 states have internal predecessors, (48), 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) [2024-11-13 15:07:07,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2024-11-13 15:07:07,338 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 17 [2024-11-13 15:07:07,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:07,338 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2024-11-13 15:07:07,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 29 states have internal predecessors, (41), 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) [2024-11-13 15:07:07,338 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2024-11-13 15:07:07,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 15:07:07,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:07,339 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:07,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 15:07:07,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 15:07:07,540 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:07:07,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:07,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1943660138, now seen corresponding path program 2 times [2024-11-13 15:07:07,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:07,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401087553] [2024-11-13 15:07:07,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:07,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:08,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:08,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401087553] [2024-11-13 15:07:08,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401087553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:08,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27463261] [2024-11-13 15:07:08,178 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:07:08,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:08,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:08,181 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:08,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 15:07:08,269 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:07:08,269 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:07:08,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 15:07:08,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:08,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 15:07:08,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 15:07:08,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 15:07:08,535 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:08,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:08,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 61 [2024-11-13 15:07:08,907 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:07:08,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 406 treesize of output 392 [2024-11-13 15:07:09,215 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:09,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27463261] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:09,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:09,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 10] total 24 [2024-11-13 15:07:09,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955885341] [2024-11-13 15:07:09,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:09,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-13 15:07:09,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:09,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-13 15:07:09,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2024-11-13 15:07:09,219 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand has 25 states, 24 states have (on average 2.0) internal successors, (48), 25 states have internal predecessors, (48), 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) [2024-11-13 15:07:10,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:10,263 INFO L93 Difference]: Finished difference Result 85 states and 100 transitions. [2024-11-13 15:07:10,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 15:07:10,264 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.0) internal successors, (48), 25 states have internal predecessors, (48), 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 22 [2024-11-13 15:07:10,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:10,265 INFO L225 Difference]: With dead ends: 85 [2024-11-13 15:07:10,265 INFO L226 Difference]: Without dead ends: 83 [2024-11-13 15:07:10,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=269, Invalid=1213, Unknown=0, NotChecked=0, Total=1482 [2024-11-13 15:07:10,266 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 62 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:10,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 140 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:07:10,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-13 15:07:10,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 68. [2024-11-13 15:07:10,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 67 states have internal predecessors, (81), 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) [2024-11-13 15:07:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2024-11-13 15:07:10,285 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 22 [2024-11-13 15:07:10,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:10,286 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2024-11-13 15:07:10,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.0) internal successors, (48), 25 states have internal predecessors, (48), 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) [2024-11-13 15:07:10,286 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2024-11-13 15:07:10,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 15:07:10,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:10,289 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:10,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 15:07:10,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:10,490 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:07:10,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:10,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1330238804, now seen corresponding path program 1 times [2024-11-13 15:07:10,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:10,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863078369] [2024-11-13 15:07:10,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:10,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:11,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:11,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863078369] [2024-11-13 15:07:11,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863078369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:11,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570852384] [2024-11-13 15:07:11,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:11,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:11,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:11,566 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:11,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 15:07:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:11,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 15:07:11,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:11,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 15:07:11,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 15:07:11,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 15:07:12,207 INFO L349 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2024-11-13 15:07:12,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 16 [2024-11-13 15:07:12,241 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:12,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:13,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2024-11-13 15:07:13,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 15:07:13,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 173 [2024-11-13 15:07:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:13,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570852384] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:13,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:13,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-13 15:07:13,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931622051] [2024-11-13 15:07:13,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:13,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-13 15:07:13,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:13,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-13 15:07:13,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1617, Unknown=0, NotChecked=0, Total=1806 [2024-11-13 15:07:13,574 INFO L87 Difference]: Start difference. First operand 68 states and 81 transitions. Second operand has 43 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 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) [2024-11-13 15:07:16,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:16,744 INFO L93 Difference]: Finished difference Result 117 states and 141 transitions. [2024-11-13 15:07:16,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 15:07:16,746 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 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 22 [2024-11-13 15:07:16,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:16,747 INFO L225 Difference]: With dead ends: 117 [2024-11-13 15:07:16,747 INFO L226 Difference]: Without dead ends: 116 [2024-11-13 15:07:16,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1346 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=463, Invalid=4093, Unknown=0, NotChecked=0, Total=4556 [2024-11-13 15:07:16,749 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 88 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:16,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 87 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:07:16,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-13 15:07:16,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 88. [2024-11-13 15:07:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 85 states have (on average 1.2588235294117647) internal successors, (107), 87 states have internal predecessors, (107), 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) [2024-11-13 15:07:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 107 transitions. [2024-11-13 15:07:16,765 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 107 transitions. Word has length 22 [2024-11-13 15:07:16,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:16,765 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 107 transitions. [2024-11-13 15:07:16,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 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) [2024-11-13 15:07:16,766 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2024-11-13 15:07:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 15:07:16,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:16,767 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:16,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 15:07:16,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 15:07:16,968 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 15:07:16,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:16,969 INFO L85 PathProgramCache]: Analyzing trace with hash 134243383, now seen corresponding path program 1 times [2024-11-13 15:07:16,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:16,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682435479] [2024-11-13 15:07:16,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:16,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:07:16,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:07:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:07:17,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:07:17,015 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:07:17,017 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-13 15:07:17,019 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-13 15:07:17,019 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-13 15:07:17,019 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-13 15:07:17,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:07:17,024 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:17,054 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:07:17,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:07:17 BoogieIcfgContainer [2024-11-13 15:07:17,057 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:07:17,058 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:07:17,058 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:07:17,059 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:07:17,060 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:06:55" (3/4) ... [2024-11-13 15:07:17,061 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 15:07:17,118 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dede103-7619-4735-8b0d-52ff13f6e84f/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:07:17,118 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:07:17,120 INFO L158 Benchmark]: Toolchain (without parser) took 22431.78ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.0MB in the beginning and 82.4MB in the end (delta: 9.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-13 15:07:17,121 INFO L158 Benchmark]: CDTParser took 1.82ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:17,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.07ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 73.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:07:17,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.88ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:17,122 INFO L158 Benchmark]: Boogie Preprocessor took 66.99ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:07:17,123 INFO L158 Benchmark]: RCFGBuilder took 405.59ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 60.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:07:17,123 INFO L158 Benchmark]: TraceAbstraction took 21144.79ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.0MB in the beginning and 84.2MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:17,124 INFO L158 Benchmark]: Witness Printer took 59.82ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 82.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:07:17,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.82ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.07ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 73.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.88ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.99ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 405.59ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 60.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21144.79ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.0MB in the beginning and 84.2MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.82ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 82.4MB in the end (delta: 1.8MB). There was no memory consumed. 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 - CounterExampleResult [Line: 378]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND FALSE !(length < 1) VAL [length=2] [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [arr={2:0}, length=2] [L369] COND FALSE !(!arr) [L370] i=0 VAL [arr={2:0}, i=0, length=2] [L370] COND TRUE i