./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/easy2-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/easy2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU --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 0ba0e3ec7d24c78a29a4980275f3f450c6adf9cab13a788bc587b5f2c8c6cbd4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:07,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:07,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:11:07,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:07,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:07,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:07,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:07,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:07,993 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:07,995 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:07,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:11:07,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:11:07,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:07,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:07,999 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:08,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:08,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:11:08,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:11:08,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:08,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:11:08,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:11:08,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:11:08,007 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:08,007 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:11:08,008 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:11:08,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:08,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:08,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:08,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:08,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:11:08,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:11:08,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:08,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:08,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:11:08,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:11:08,020 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:11:08,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:11:08,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:11:08,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:11:08,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:11:08,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:11:08,023 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba0e3ec7d24c78a29a4980275f3f450c6adf9cab13a788bc587b5f2c8c6cbd4 [2024-10-31 22:11:08,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:08,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:08,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:08,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:08,500 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:08,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-crafted/easy2-2.c Unable to find full path for "g++" [2024-10-31 22:11:10,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:11,042 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:11,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/sv-benchmarks/c/termination-crafted/easy2-2.c [2024-10-31 22:11:11,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/data/e407583a5/90f35f28c84b4425939ac377f431283b/FLAGabb76b92a [2024-10-31 22:11:11,071 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/data/e407583a5/90f35f28c84b4425939ac377f431283b [2024-10-31 22:11:11,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:11,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:11,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:11,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:11,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:11,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e8f5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11, skipping insertion in model container [2024-10-31 22:11:11,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:11,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:11,349 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:11:11,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:11,374 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:11:11,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11 WrapperNode [2024-10-31 22:11:11,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:11,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:11,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:11:11,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:11:11,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,406 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-10-31 22:11:11,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:11,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:11:11,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:11:11,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:11:11,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,420 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,427 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:11:11,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:11:11,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:11:11,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:11:11,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:11:11,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (1/1) ... [2024-10-31 22:11:11,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:11,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:11,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:11:11,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:11:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:11:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:11:11,592 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:11:11,595 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:11:11,708 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-31 22:11:11,709 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:11:11,731 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:11:11,731 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:11:11,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:11 BoogieIcfgContainer [2024-10-31 22:11:11,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:11:11,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:11:11,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:11:11,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:11:11,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:11:11" (1/3) ... [2024-10-31 22:11:11,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:11, skipping insertion in model container [2024-10-31 22:11:11,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:11" (2/3) ... [2024-10-31 22:11:11,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:11, skipping insertion in model container [2024-10-31 22:11:11,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:11" (3/3) ... [2024-10-31 22:11:11,752 INFO L112 eAbstractionObserver]: Analyzing ICFG easy2-2.c [2024-10-31 22:11:11,775 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:11:11,775 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-31 22:11:11,850 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:11:11,858 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;@52ff3bf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:11:11,858 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-31 22:11:11,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:11,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-31 22:11:11,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:11,870 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-31 22:11:11,871 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:11,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:11,877 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2024-10-31 22:11:11,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:11,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62309503] [2024-10-31 22:11:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:11,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:12,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:12,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:12,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62309503] [2024-10-31 22:11:12,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62309503] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:12,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:12,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:11:12,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102898376] [2024-10-31 22:11:12,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:12,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:12,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:12,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:12,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:12,158 INFO L87 Difference]: Start difference. First operand has 19 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 18 states have internal predecessors, (20), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:12,194 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2024-10-31 22:11:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:12,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-31 22:11:12,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:12,205 INFO L225 Difference]: With dead ends: 23 [2024-10-31 22:11:12,205 INFO L226 Difference]: Without dead ends: 14 [2024-10-31 22:11:12,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:12,214 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 11 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:12,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 17 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:12,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-10-31 22:11:12,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-10-31 22:11:12,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 13 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) [2024-10-31 22:11:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-10-31 22:11:12,249 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 4 [2024-10-31 22:11:12,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:12,249 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-10-31 22:11:12,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,250 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-10-31 22:11:12,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-31 22:11:12,250 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:12,250 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-31 22:11:12,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:11:12,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:12,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:12,252 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2024-10-31 22:11:12,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:12,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683299581] [2024-10-31 22:11:12,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:12,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:12,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:12,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:12,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683299581] [2024-10-31 22:11:12,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683299581] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:12,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:12,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:11:12,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933767766] [2024-10-31 22:11:12,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:12,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:12,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:12,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:12,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:12,315 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:12,329 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2024-10-31 22:11:12,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:12,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-10-31 22:11:12,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:12,330 INFO L225 Difference]: With dead ends: 18 [2024-10-31 22:11:12,330 INFO L226 Difference]: Without dead ends: 17 [2024-10-31 22:11:12,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:12,332 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:12,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:12,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-10-31 22:11:12,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-10-31 22:11:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-10-31 22:11:12,337 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 5 [2024-10-31 22:11:12,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:12,337 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2024-10-31 22:11:12,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,338 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-10-31 22:11:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:11:12,338 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:12,339 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:11:12,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:11:12,339 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:12,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:12,340 INFO L85 PathProgramCache]: Analyzing trace with hash 889691398, now seen corresponding path program 1 times [2024-10-31 22:11:12,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:12,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121908117] [2024-10-31 22:11:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:12,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:12,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:12,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:12,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121908117] [2024-10-31 22:11:12,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121908117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:12,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:12,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:11:12,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546859221] [2024-10-31 22:11:12,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:12,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:12,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:12,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:12,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:12,409 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:12,437 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2024-10-31 22:11:12,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:12,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-10-31 22:11:12,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:12,438 INFO L225 Difference]: With dead ends: 20 [2024-10-31 22:11:12,438 INFO L226 Difference]: Without dead ends: 19 [2024-10-31 22:11:12,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:12,440 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:12,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 20 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:12,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-10-31 22:11:12,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-10-31 22:11:12,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-10-31 22:11:12,445 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 6 [2024-10-31 22:11:12,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:12,445 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2024-10-31 22:11:12,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-10-31 22:11:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 22:11:12,446 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:12,446 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:12,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:11:12,447 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:12,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:12,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629611, now seen corresponding path program 1 times [2024-10-31 22:11:12,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:12,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692956668] [2024-10-31 22:11:12,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:12,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:12,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:12,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692956668] [2024-10-31 22:11:12,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692956668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:12,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:12,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:11:12,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630300516] [2024-10-31 22:11:12,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:12,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:12,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:12,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:12,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:12,542 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:12,563 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2024-10-31 22:11:12,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:12,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-31 22:11:12,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:12,565 INFO L225 Difference]: With dead ends: 18 [2024-10-31 22:11:12,565 INFO L226 Difference]: Without dead ends: 17 [2024-10-31 22:11:12,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:12,567 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:12,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 11 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:12,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-10-31 22:11:12,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-10-31 22:11:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-10-31 22:11:12,578 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 7 [2024-10-31 22:11:12,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:12,579 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2024-10-31 22:11:12,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-10-31 22:11:12,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 22:11:12,579 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:12,580 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:12,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:11:12,582 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:12,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:12,583 INFO L85 PathProgramCache]: Analyzing trace with hash 294943144, now seen corresponding path program 1 times [2024-10-31 22:11:12,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:12,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501546028] [2024-10-31 22:11:12,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:12,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:12,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:12,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501546028] [2024-10-31 22:11:12,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501546028] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:12,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:12,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:11:12,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375194576] [2024-10-31 22:11:12,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:12,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:12,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:12,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:12,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:12,629 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:12,645 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-10-31 22:11:12,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:12,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-31 22:11:12,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:12,649 INFO L225 Difference]: With dead ends: 17 [2024-10-31 22:11:12,649 INFO L226 Difference]: Without dead ends: 16 [2024-10-31 22:11:12,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:12,651 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:12,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:12,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-10-31 22:11:12,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-10-31 22:11:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-10-31 22:11:12,661 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 8 [2024-10-31 22:11:12,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:12,662 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2024-10-31 22:11:12,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-10-31 22:11:12,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:11:12,663 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:12,663 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:12,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:11:12,663 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:12,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:12,664 INFO L85 PathProgramCache]: Analyzing trace with hash 553302925, now seen corresponding path program 1 times [2024-10-31 22:11:12,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:12,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555420508] [2024-10-31 22:11:12,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:12,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:12,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:12,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555420508] [2024-10-31 22:11:12,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555420508] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:12,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:12,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:11:12,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311003087] [2024-10-31 22:11:12,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:12,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:12,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:12,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:12,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:12,703 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2024-10-31 22:11:12,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:12,712 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2024-10-31 22:11:12,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:12,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 [2024-10-31 22:11:12,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:12,713 INFO L225 Difference]: With dead ends: 16 [2024-10-31 22:11:12,713 INFO L226 Difference]: Without dead ends: 15 [2024-10-31 22:11:12,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:12,715 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:12,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:12,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-10-31 22:11:12,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-10-31 22:11:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-10-31 22:11:12,725 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 9 [2024-10-31 22:11:12,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:12,726 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-10-31 22:11:12,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2024-10-31 22:11:12,726 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-10-31 22:11:12,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-31 22:11:12,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:12,727 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:12,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:11:12,728 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:12,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:12,729 INFO L85 PathProgramCache]: Analyzing trace with hash -637002594, now seen corresponding path program 1 times [2024-10-31 22:11:12,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:12,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610851540] [2024-10-31 22:11:12,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:12,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:12,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:12,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:12,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610851540] [2024-10-31 22:11:12,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610851540] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:12,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006373448] [2024-10-31 22:11:12,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:12,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:12,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:12,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:12,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:11:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:12,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:11:12,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:12,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:11:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:13,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006373448] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:11:13,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:11:13,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-31 22:11:13,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952085331] [2024-10-31 22:11:13,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:11:13,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:11:13,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:13,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:11:13,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:11:13,039 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:13,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:13,091 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2024-10-31 22:11:13,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:11:13,096 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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 12 [2024-10-31 22:11:13,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:13,097 INFO L225 Difference]: With dead ends: 38 [2024-10-31 22:11:13,097 INFO L226 Difference]: Without dead ends: 37 [2024-10-31 22:11:13,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:11:13,098 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 6 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:13,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 35 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:13,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-10-31 22:11:13,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2024-10-31 22:11:13,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:13,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2024-10-31 22:11:13,113 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 12 [2024-10-31 22:11:13,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:13,113 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2024-10-31 22:11:13,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:13,118 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2024-10-31 22:11:13,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 22:11:13,118 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:13,119 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:13,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:11:13,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-31 22:11:13,320 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:13,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:13,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1727756113, now seen corresponding path program 1 times [2024-10-31 22:11:13,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:13,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406267658] [2024-10-31 22:11:13,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:13,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:13,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:13,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:13,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406267658] [2024-10-31 22:11:13,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406267658] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:13,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938931075] [2024-10-31 22:11:13,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:13,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:13,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:13,426 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:13,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:11:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:13,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:11:13,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:13,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:13,527 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:11:13,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:13,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938931075] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:11:13,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:11:13,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-31 22:11:13,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88648331] [2024-10-31 22:11:13,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:11:13,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:11:13,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:13,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:11:13,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:11:13,614 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:13,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:13,651 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2024-10-31 22:11:13,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:11:13,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 13 [2024-10-31 22:11:13,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:13,653 INFO L225 Difference]: With dead ends: 37 [2024-10-31 22:11:13,653 INFO L226 Difference]: Without dead ends: 36 [2024-10-31 22:11:13,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:11:13,655 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 4 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:13,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 33 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:13,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-31 22:11:13,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-10-31 22:11:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 35 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2024-10-31 22:11:13,662 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 13 [2024-10-31 22:11:13,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:13,663 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2024-10-31 22:11:13,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2024-10-31 22:11:13,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-31 22:11:13,665 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:13,665 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1] [2024-10-31 22:11:13,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:11:13,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-31 22:11:13,869 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:13,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:13,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1634791159, now seen corresponding path program 2 times [2024-10-31 22:11:13,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:13,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409004475] [2024-10-31 22:11:13,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:13,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:14,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:14,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409004475] [2024-10-31 22:11:14,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409004475] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:14,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722179091] [2024-10-31 22:11:14,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:11:14,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:14,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:14,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:14,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:11:14,125 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:11:14,126 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:11:14,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:11:14,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:14,234 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:11:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:14,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722179091] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:11:14,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:11:14,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-31 22:11:14,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534752602] [2024-10-31 22:11:14,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:11:14,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:11:14,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:14,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:11:14,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:11:14,394 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:14,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:14,481 INFO L93 Difference]: Finished difference Result 83 states and 88 transitions. [2024-10-31 22:11:14,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 22:11:14,482 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-10-31 22:11:14,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:14,483 INFO L225 Difference]: With dead ends: 83 [2024-10-31 22:11:14,483 INFO L226 Difference]: Without dead ends: 82 [2024-10-31 22:11:14,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:11:14,484 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:14,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 69 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:11:14,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-31 22:11:14,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 77. [2024-10-31 22:11:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 75 states have (on average 1.0933333333333333) internal successors, (82), 76 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:14,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2024-10-31 22:11:14,502 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 33 [2024-10-31 22:11:14,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:14,502 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2024-10-31 22:11:14,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:14,503 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2024-10-31 22:11:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-31 22:11:14,503 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:14,504 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1] [2024-10-31 22:11:14,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 22:11:14,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-31 22:11:14,707 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:14,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:14,708 INFO L85 PathProgramCache]: Analyzing trace with hash 861081670, now seen corresponding path program 2 times [2024-10-31 22:11:14,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:14,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290208770] [2024-10-31 22:11:14,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:14,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:14,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:14,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290208770] [2024-10-31 22:11:14,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290208770] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:14,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582916025] [2024-10-31 22:11:14,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:11:14,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:14,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:14,865 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:14,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:11:14,917 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:11:14,917 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:11:14,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:11:14,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:14,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:11:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:15,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582916025] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:11:15,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:11:15,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-31 22:11:15,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326204079] [2024-10-31 22:11:15,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:11:15,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:11:15,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:15,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:11:15,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:11:15,165 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:15,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:15,224 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2024-10-31 22:11:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 22:11:15,224 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 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 34 [2024-10-31 22:11:15,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:15,225 INFO L225 Difference]: With dead ends: 79 [2024-10-31 22:11:15,225 INFO L226 Difference]: Without dead ends: 78 [2024-10-31 22:11:15,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:11:15,227 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 4 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:15,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 67 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:15,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-31 22:11:15,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-10-31 22:11:15,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 76 states have (on average 1.0263157894736843) internal successors, (78), 77 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:15,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2024-10-31 22:11:15,241 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 34 [2024-10-31 22:11:15,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:15,241 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2024-10-31 22:11:15,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:15,241 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2024-10-31 22:11:15,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-31 22:11:15,243 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:15,243 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 1, 1, 1] [2024-10-31 22:11:15,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:11:15,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-31 22:11:15,448 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:15,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:15,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1501766615, now seen corresponding path program 3 times [2024-10-31 22:11:15,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:15,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715141372] [2024-10-31 22:11:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:15,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:15,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:15,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715141372] [2024-10-31 22:11:15,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715141372] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:15,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138571398] [2024-10-31 22:11:15,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 22:11:15,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:15,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:15,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:15,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:11:15,871 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-31 22:11:15,871 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:11:15,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 22:11:15,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:16,047 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:16,048 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:11:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:16,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138571398] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:11:16,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:11:16,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-10-31 22:11:16,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170277208] [2024-10-31 22:11:16,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:11:16,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-31 22:11:16,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:16,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-31 22:11:16,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-10-31 22:11:16,495 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand has 24 states, 23 states have (on average 6.478260869565218) internal successors, (149), 24 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:16,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:16,625 INFO L93 Difference]: Finished difference Result 173 states and 184 transitions. [2024-10-31 22:11:16,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-31 22:11:16,626 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.478260869565218) internal successors, (149), 24 states have internal predecessors, (149), 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 75 [2024-10-31 22:11:16,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:16,628 INFO L225 Difference]: With dead ends: 173 [2024-10-31 22:11:16,630 INFO L226 Difference]: Without dead ends: 172 [2024-10-31 22:11:16,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-10-31 22:11:16,631 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 28 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:16,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 139 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:11:16,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-10-31 22:11:16,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 161. [2024-10-31 22:11:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 159 states have (on average 1.0817610062893082) internal successors, (172), 160 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:16,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 172 transitions. [2024-10-31 22:11:16,661 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 172 transitions. Word has length 75 [2024-10-31 22:11:16,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:16,661 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 172 transitions. [2024-10-31 22:11:16,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.478260869565218) internal successors, (149), 24 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:16,662 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2024-10-31 22:11:16,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-31 22:11:16,663 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:16,663 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1] [2024-10-31 22:11:16,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 22:11:16,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:16,866 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:16,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:16,866 INFO L85 PathProgramCache]: Analyzing trace with hash 689875238, now seen corresponding path program 3 times [2024-10-31 22:11:16,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:16,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214134514] [2024-10-31 22:11:16,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:16,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:17,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:17,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214134514] [2024-10-31 22:11:17,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214134514] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:17,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730413535] [2024-10-31 22:11:17,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 22:11:17,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:17,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:17,225 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:17,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:11:17,299 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-31 22:11:17,299 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:11:17,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 22:11:17,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:17,462 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:17,463 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:11:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:17,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730413535] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:11:17,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:11:17,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-10-31 22:11:17,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635945095] [2024-10-31 22:11:17,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:11:17,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-31 22:11:17,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:17,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-31 22:11:17,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-10-31 22:11:17,897 INFO L87 Difference]: Start difference. First operand 161 states and 172 transitions. Second operand has 24 states, 23 states have (on average 6.565217391304348) internal successors, (151), 24 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:18,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:18,022 INFO L93 Difference]: Finished difference Result 163 states and 174 transitions. [2024-10-31 22:11:18,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-31 22:11:18,023 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.565217391304348) internal successors, (151), 24 states have internal predecessors, (151), 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 76 [2024-10-31 22:11:18,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:18,025 INFO L225 Difference]: With dead ends: 163 [2024-10-31 22:11:18,025 INFO L226 Difference]: Without dead ends: 162 [2024-10-31 22:11:18,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-10-31 22:11:18,026 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 4 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:18,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 131 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:11:18,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-10-31 22:11:18,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-10-31 22:11:18,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 160 states have (on average 1.0125) internal successors, (162), 161 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:18,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 162 transitions. [2024-10-31 22:11:18,051 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 162 transitions. Word has length 76 [2024-10-31 22:11:18,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:18,056 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 162 transitions. [2024-10-31 22:11:18,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.565217391304348) internal successors, (151), 24 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:18,056 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 162 transitions. [2024-10-31 22:11:18,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-31 22:11:18,058 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:18,059 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 1, 1, 1] [2024-10-31 22:11:18,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 22:11:18,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:18,263 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:18,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:18,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1627044457, now seen corresponding path program 4 times [2024-10-31 22:11:18,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:18,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862772147] [2024-10-31 22:11:18,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:18,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:19,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:19,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862772147] [2024-10-31 22:11:19,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862772147] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:19,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76459966] [2024-10-31 22:11:19,341 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 22:11:19,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:19,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:19,343 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:19,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 22:11:19,438 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 22:11:19,438 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:11:19,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-31 22:11:19,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:19,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:19,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:11:21,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:21,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76459966] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:11:21,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:11:21,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-10-31 22:11:21,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582369018] [2024-10-31 22:11:21,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:11:21,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-31 22:11:21,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:21,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-31 22:11:21,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-10-31 22:11:21,114 INFO L87 Difference]: Start difference. First operand 162 states and 162 transitions. Second operand has 48 states, 47 states have (on average 6.74468085106383) internal successors, (317), 48 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:21,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:21,365 INFO L93 Difference]: Finished difference Result 353 states and 376 transitions. [2024-10-31 22:11:21,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-31 22:11:21,366 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 6.74468085106383) internal successors, (317), 48 states have internal predecessors, (317), 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 159 [2024-10-31 22:11:21,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:21,368 INFO L225 Difference]: With dead ends: 353 [2024-10-31 22:11:21,368 INFO L226 Difference]: Without dead ends: 352 [2024-10-31 22:11:21,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-10-31 22:11:21,371 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 68 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:21,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 273 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:11:21,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-10-31 22:11:21,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 329. [2024-10-31 22:11:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 327 states have (on average 1.0764525993883791) internal successors, (352), 328 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:21,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 352 transitions. [2024-10-31 22:11:21,393 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 352 transitions. Word has length 159 [2024-10-31 22:11:21,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:21,394 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 352 transitions. [2024-10-31 22:11:21,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 6.74468085106383) internal successors, (317), 48 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 352 transitions. [2024-10-31 22:11:21,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-31 22:11:21,400 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:21,401 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1] [2024-10-31 22:11:21,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 22:11:21,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:21,605 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:21,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:21,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1101229338, now seen corresponding path program 4 times [2024-10-31 22:11:21,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:21,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998915047] [2024-10-31 22:11:21,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:21,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:22,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:22,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998915047] [2024-10-31 22:11:22,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998915047] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:22,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026609480] [2024-10-31 22:11:22,621 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 22:11:22,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:22,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:22,624 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:22,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 22:11:22,707 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 22:11:22,707 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:11:22,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-31 22:11:22,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:23,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:23,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:11:24,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:24,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026609480] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:11:24,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:11:24,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-10-31 22:11:24,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794228771] [2024-10-31 22:11:24,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:11:24,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-31 22:11:24,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:24,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-31 22:11:24,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-10-31 22:11:24,330 INFO L87 Difference]: Start difference. First operand 329 states and 352 transitions. Second operand has 48 states, 47 states have (on average 6.787234042553192) internal successors, (319), 48 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:24,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:24,556 INFO L93 Difference]: Finished difference Result 331 states and 354 transitions. [2024-10-31 22:11:24,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-31 22:11:24,556 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 6.787234042553192) internal successors, (319), 48 states have internal predecessors, (319), 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 160 [2024-10-31 22:11:24,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:24,558 INFO L225 Difference]: With dead ends: 331 [2024-10-31 22:11:24,558 INFO L226 Difference]: Without dead ends: 330 [2024-10-31 22:11:24,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-10-31 22:11:24,560 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 4 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:24,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 249 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:11:24,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-10-31 22:11:24,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2024-10-31 22:11:24,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 328 states have (on average 1.0060975609756098) internal successors, (330), 329 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:24,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 330 transitions. [2024-10-31 22:11:24,575 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 330 transitions. Word has length 160 [2024-10-31 22:11:24,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:24,575 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 330 transitions. [2024-10-31 22:11:24,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 6.787234042553192) internal successors, (319), 48 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:24,576 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 330 transitions. [2024-10-31 22:11:24,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-10-31 22:11:24,582 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:24,582 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 1, 1, 1] [2024-10-31 22:11:24,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-31 22:11:24,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:24,784 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:24,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:24,785 INFO L85 PathProgramCache]: Analyzing trace with hash 62363369, now seen corresponding path program 5 times [2024-10-31 22:11:24,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:24,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774312917] [2024-10-31 22:11:24,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:24,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:27,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:27,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774312917] [2024-10-31 22:11:27,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774312917] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:27,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482972128] [2024-10-31 22:11:27,680 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-31 22:11:27,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:27,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:27,682 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:27,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-31 22:11:27,896 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-31 22:11:27,896 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:11:27,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-31 22:11:27,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:28,473 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:11:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:32,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482972128] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:11:32,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:11:32,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-10-31 22:11:32,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692277968] [2024-10-31 22:11:32,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:11:32,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-10-31 22:11:32,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:32,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-10-31 22:11:32,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-10-31 22:11:32,686 INFO L87 Difference]: Start difference. First operand 330 states and 330 transitions. Second operand has 96 states, 95 states have (on average 6.873684210526315) internal successors, (653), 96 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:33,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:33,412 INFO L93 Difference]: Finished difference Result 713 states and 760 transitions. [2024-10-31 22:11:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-31 22:11:33,413 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 6.873684210526315) internal successors, (653), 96 states have internal predecessors, (653), 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 327 [2024-10-31 22:11:33,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:33,417 INFO L225 Difference]: With dead ends: 713 [2024-10-31 22:11:33,417 INFO L226 Difference]: Without dead ends: 712 [2024-10-31 22:11:33,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-10-31 22:11:33,420 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 148 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:33,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 538 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:11:33,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-10-31 22:11:33,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 665. [2024-10-31 22:11:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 663 states have (on average 1.0739064856711915) internal successors, (712), 664 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 712 transitions. [2024-10-31 22:11:33,444 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 712 transitions. Word has length 327 [2024-10-31 22:11:33,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:33,445 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 712 transitions. [2024-10-31 22:11:33,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 6.873684210526315) internal successors, (653), 96 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 712 transitions. [2024-10-31 22:11:33,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-31 22:11:33,451 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:33,451 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1] [2024-10-31 22:11:33,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-31 22:11:33,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:33,655 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:11:33,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:33,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1933264486, now seen corresponding path program 5 times [2024-10-31 22:11:33,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:33,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433026424] [2024-10-31 22:11:33,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:33,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:36,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:36,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433026424] [2024-10-31 22:11:36,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433026424] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:36,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184376468] [2024-10-31 22:11:36,209 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-31 22:11:36,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:36,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:36,211 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:36,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62837822-1313-4c2c-ab43-9cf7337ae672/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-31 22:11:36,404 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-31 22:11:36,404 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:11:36,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-31 22:11:36,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:36,855 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:36,856 INFO L311 TraceCheckSpWp]: Computing backward predicates...