./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX --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 033772d605bbfacd7bdbacf0756e3bc9cfb2f8cbffe91002f61ae4b41e344064 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:52:25,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:52:25,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:52:25,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:52:25,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:52:25,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:52:25,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:52:25,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:52:25,793 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:52:25,794 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:52:25,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:52:25,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:52:25,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:52:25,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:52:25,799 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:52:25,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:52:25,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:52:25,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:52:25,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:52:25,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:52:25,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:52:25,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:52:25,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:52:25,802 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:52:25,802 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:52:25,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:52:25,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:52:25,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:52:25,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:52:25,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:52:25,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:52:25,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:52:25,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:52:25,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:52:25,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:52:25,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:52:25,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:52:25,811 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:52:25,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:52:25,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:52:25,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:52:25,812 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_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 033772d605bbfacd7bdbacf0756e3bc9cfb2f8cbffe91002f61ae4b41e344064 [2024-11-08 16:52:26,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:52:26,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:52:26,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:52:26,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:52:26,172 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:52:26,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1.c Unable to find full path for "g++" [2024-11-08 16:52:28,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:52:28,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:52:28,362 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1.c [2024-11-08 16:52:28,369 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/data/978d482d9/4d4bb4f429dd4907848a948ff7659ebe/FLAG06d3463a2 [2024-11-08 16:52:28,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/data/978d482d9/4d4bb4f429dd4907848a948ff7659ebe [2024-11-08 16:52:28,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:52:28,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:52:28,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:52:28,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:52:28,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:52:28,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0ab75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28, skipping insertion in model container [2024-11-08 16:52:28,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:52:28,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:52:28,688 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:52:28,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:52:28,718 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:52:28,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28 WrapperNode [2024-11-08 16:52:28,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:52:28,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:52:28,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:52:28,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:52:28,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,748 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-08 16:52:28,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:52:28,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:52:28,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:52:28,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:52:28,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,771 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:52:28,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:52:28,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:52:28,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:52:28,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:52:28,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (1/1) ... [2024-11-08 16:52:28,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:52:28,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:52:28,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:52:28,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:52:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:52:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:52:28,924 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:52:28,926 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:52:29,006 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 16:52:29,007 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:52:29,019 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:52:29,019 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:52:29,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:52:29 BoogieIcfgContainer [2024-11-08 16:52:29,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:52:29,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:52:29,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:52:29,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:52:29,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:52:28" (1/3) ... [2024-11-08 16:52:29,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34514f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:52:29, skipping insertion in model container [2024-11-08 16:52:29,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:28" (2/3) ... [2024-11-08 16:52:29,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34514f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:52:29, skipping insertion in model container [2024-11-08 16:52:29,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:52:29" (3/3) ... [2024-11-08 16:52:29,032 INFO L112 eAbstractionObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig1.c [2024-11-08 16:52:29,053 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:52:29,054 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-08 16:52:29,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:52:29,141 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;@797c443d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:52:29,141 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 16:52:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:29,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 16:52:29,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:29,153 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-08 16:52:29,155 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 16:52:29,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:29,161 INFO L85 PathProgramCache]: Analyzing trace with hash 28694852, now seen corresponding path program 1 times [2024-11-08 16:52:29,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:29,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887810461] [2024-11-08 16:52:29,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:29,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:29,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:29,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:29,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887810461] [2024-11-08 16:52:29,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887810461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:29,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:29,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:52:29,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285171694] [2024-11-08 16:52:29,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:29,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:52:29,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:29,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:52:29,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:52:29,386 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 15 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) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2024-11-08 16:52:29,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:29,487 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2024-11-08 16:52:29,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:52:29,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2024-11-08 16:52:29,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:29,500 INFO L225 Difference]: With dead ends: 26 [2024-11-08 16:52:29,501 INFO L226 Difference]: Without dead ends: 18 [2024-11-08 16:52:29,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:52:29,510 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:29,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:52:29,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-08 16:52:29,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-08 16:52:29,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 17 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) [2024-11-08 16:52:29,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-11-08 16:52:29,546 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 5 [2024-11-08 16:52:29,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:29,547 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-08 16:52:29,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2024-11-08 16:52:29,548 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-08 16:52:29,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 16:52:29,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:29,548 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 16:52:29,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:52:29,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 16:52:29,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:29,550 INFO L85 PathProgramCache]: Analyzing trace with hash 889540457, now seen corresponding path program 1 times [2024-11-08 16:52:29,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:29,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788983959] [2024-11-08 16:52:29,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:29,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:29,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:29,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788983959] [2024-11-08 16:52:29,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788983959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:29,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:29,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:52:29,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193164724] [2024-11-08 16:52:29,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:29,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:52:29,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:29,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:52:29,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:52:29,614 INFO L87 Difference]: Start difference. First operand 18 states and 20 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) [2024-11-08 16:52:29,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:29,643 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-08 16:52:29,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:52:29,644 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 [2024-11-08 16:52:29,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:29,645 INFO L225 Difference]: With dead ends: 19 [2024-11-08 16:52:29,645 INFO L226 Difference]: Without dead ends: 18 [2024-11-08 16:52:29,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:52:29,647 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:29,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:52:29,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-08 16:52:29,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-08 16:52:29,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2024-11-08 16:52:29,653 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2024-11-08 16:52:29,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:29,653 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-11-08 16:52:29,653 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) [2024-11-08 16:52:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-08 16:52:29,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 16:52:29,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:29,655 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:52:29,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:52:29,655 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 16:52:29,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:29,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1805950438, now seen corresponding path program 1 times [2024-11-08 16:52:29,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:29,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788057072] [2024-11-08 16:52:29,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:29,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:29,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:29,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:29,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788057072] [2024-11-08 16:52:29,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788057072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:29,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:52:29,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:52:29,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522007780] [2024-11-08 16:52:29,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:29,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:52:29,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:29,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:52:29,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:52:29,733 INFO L87 Difference]: Start difference. First operand 18 states and 19 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) [2024-11-08 16:52:29,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:29,752 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-11-08 16:52:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:52:29,753 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 [2024-11-08 16:52:29,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:29,754 INFO L225 Difference]: With dead ends: 18 [2024-11-08 16:52:29,754 INFO L226 Difference]: Without dead ends: 17 [2024-11-08 16:52:29,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:52:29,756 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:29,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:52:29,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-08 16:52:29,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-08 16:52:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 14 states have (on average 1.2142857142857142) 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) [2024-11-08 16:52:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-11-08 16:52:29,762 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 7 [2024-11-08 16:52:29,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:29,762 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2024-11-08 16:52:29,763 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) [2024-11-08 16:52:29,763 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-11-08 16:52:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 16:52:29,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:29,764 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:52:29,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:52:29,765 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 16:52:29,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:29,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1429336741, now seen corresponding path program 1 times [2024-11-08 16:52:29,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:29,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028049102] [2024-11-08 16:52:29,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:29,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:29,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:29,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028049102] [2024-11-08 16:52:29,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028049102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:52:29,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143484431] [2024-11-08 16:52:29,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:29,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:52:29,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:52:29,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:52:29,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:52:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:29,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:52:29,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:52:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:29,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:52:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:30,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143484431] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:52:30,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:52:30,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-08 16:52:30,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950450058] [2024-11-08 16:52:30,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:52:30,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:52:30,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:30,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:52:30,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:52:30,074 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:30,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:30,267 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2024-11-08 16:52:30,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:52:30,267 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-08 16:52:30,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:30,268 INFO L225 Difference]: With dead ends: 24 [2024-11-08 16:52:30,268 INFO L226 Difference]: Without dead ends: 22 [2024-11-08 16:52:30,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:52:30,274 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:30,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 8 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:52:30,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-08 16:52:30,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-08 16:52:30,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.15) internal successors, (23), 21 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) [2024-11-08 16:52:30,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-11-08 16:52:30,284 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 11 [2024-11-08 16:52:30,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:30,284 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-11-08 16:52:30,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:30,286 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-08 16:52:30,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 16:52:30,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:30,287 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 16:52:30,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:52:30,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:52:30,493 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 16:52:30,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:30,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1359765966, now seen corresponding path program 1 times [2024-11-08 16:52:30,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:30,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882595099] [2024-11-08 16:52:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:30,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:30,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:30,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:30,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882595099] [2024-11-08 16:52:30,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882595099] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:52:30,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244545547] [2024-11-08 16:52:30,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:30,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:52:30,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:52:30,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:52:30,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:52:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:30,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:52:30,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:52:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:30,765 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:52:30,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244545547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:52:30,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:52:30,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-08 16:52:30,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845005516] [2024-11-08 16:52:30,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:52:30,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:52:30,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:30,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:52:30,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:52:30,770 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:30,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:30,834 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-08 16:52:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:52:30,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 [2024-11-08 16:52:30,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:30,835 INFO L225 Difference]: With dead ends: 22 [2024-11-08 16:52:30,835 INFO L226 Difference]: Without dead ends: 21 [2024-11-08 16:52:30,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:52:30,837 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:30,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:52:30,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-08 16:52:30,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-08 16:52:30,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2024-11-08 16:52:30,846 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2024-11-08 16:52:30,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:30,847 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2024-11-08 16:52:30,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:30,847 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2024-11-08 16:52:30,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 16:52:30,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:30,848 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-08 16:52:30,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:52:31,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:52:31,049 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 16:52:31,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:31,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1342155427, now seen corresponding path program 1 times [2024-11-08 16:52:31,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:31,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382315160] [2024-11-08 16:52:31,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:31,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:31,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:31,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382315160] [2024-11-08 16:52:31,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382315160] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:52:31,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139895852] [2024-11-08 16:52:31,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:31,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:52:31,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:52:31,154 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:52:31,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:52:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:31,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:52:31,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:52:31,250 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:31,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:52:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:31,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139895852] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:52:31,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:52:31,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-08 16:52:31,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452339555] [2024-11-08 16:52:31,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:52:31,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:52:31,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:31,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:52:31,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:52:31,339 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:31,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:31,409 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2024-11-08 16:52:31,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:52:31,410 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-08 16:52:31,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:31,410 INFO L225 Difference]: With dead ends: 46 [2024-11-08 16:52:31,410 INFO L226 Difference]: Without dead ends: 45 [2024-11-08 16:52:31,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:52:31,412 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:31,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:52:31,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-08 16:52:31,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-08 16:52:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2024-11-08 16:52:31,420 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 20 [2024-11-08 16:52:31,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:31,420 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2024-11-08 16:52:31,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2024-11-08 16:52:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 16:52:31,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:31,422 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 1, 1, 1] [2024-11-08 16:52:31,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 16:52:31,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:52:31,623 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 16:52:31,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:31,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1699708671, now seen corresponding path program 2 times [2024-11-08 16:52:31,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:31,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546394833] [2024-11-08 16:52:31,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:31,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:31,808 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:31,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:31,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546394833] [2024-11-08 16:52:31,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546394833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:52:31,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407640820] [2024-11-08 16:52:31,808 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:52:31,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:52:31,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:52:31,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:52:31,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 16:52:31,855 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 16:52:31,855 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:52:31,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:52:31,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:52:31,960 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:31,960 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:52:32,166 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:32,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407640820] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:52:32,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:52:32,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-08 16:52:32,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219812945] [2024-11-08 16:52:32,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:52:32,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 16:52:32,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:32,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 16:52:32,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-08 16:52:32,172 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand has 16 states, 15 states have (on average 5.8) internal successors, (87), 16 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:32,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:32,295 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2024-11-08 16:52:32,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 16:52:32,296 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.8) internal successors, (87), 16 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2024-11-08 16:52:32,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:32,297 INFO L225 Difference]: With dead ends: 94 [2024-11-08 16:52:32,301 INFO L226 Difference]: Without dead ends: 93 [2024-11-08 16:52:32,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-08 16:52:32,302 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:32,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:52:32,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-08 16:52:32,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-08 16:52:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.0108695652173914) internal successors, (93), 92 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2024-11-08 16:52:32,319 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 44 [2024-11-08 16:52:32,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:32,320 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2024-11-08 16:52:32,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.8) internal successors, (87), 16 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:32,320 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2024-11-08 16:52:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 16:52:32,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:52:32,322 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 14, 1, 1, 1] [2024-11-08 16:52:32,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 16:52:32,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:52:32,523 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 16:52:32,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:52:32,524 INFO L85 PathProgramCache]: Analyzing trace with hash -587869111, now seen corresponding path program 3 times [2024-11-08 16:52:32,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:52:32,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105254168] [2024-11-08 16:52:32,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:52:32,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:52:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:52:33,117 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:52:33,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:52:33,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105254168] [2024-11-08 16:52:33,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105254168] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:52:33,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511623445] [2024-11-08 16:52:33,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 16:52:33,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:52:33,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:52:33,122 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:52:33,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 16:52:33,179 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-08 16:52:33,179 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:52:33,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:52:33,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:52:33,361 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 232 proven. 24 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-11-08 16:52:33,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:52:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 232 proven. 24 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-11-08 16:52:33,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511623445] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:52:33,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:52:33,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7, 7] total 28 [2024-11-08 16:52:33,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415857835] [2024-11-08 16:52:33,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:52:33,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-08 16:52:33,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:52:33,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-08 16:52:33,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=538, Unknown=0, NotChecked=0, Total=812 [2024-11-08 16:52:33,637 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand has 29 states, 28 states have (on average 5.035714285714286) internal successors, (141), 29 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:34,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:52:34,574 INFO L93 Difference]: Finished difference Result 100 states and 101 transitions. [2024-11-08 16:52:34,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 16:52:34,575 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 5.035714285714286) internal successors, (141), 29 states have internal predecessors, (141), 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 92 [2024-11-08 16:52:34,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:52:34,576 INFO L225 Difference]: With dead ends: 100 [2024-11-08 16:52:34,576 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 16:52:34,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 725 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1283, Invalid=2499, Unknown=0, NotChecked=0, Total=3782 [2024-11-08 16:52:34,578 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 43 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:52:34,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 9 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:52:34,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 16:52:34,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 16:52:34,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 16:52:34,580 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2024-11-08 16:52:34,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:52:34,581 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:52:34,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 5.035714285714286) internal successors, (141), 29 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:52:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 16:52:34,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 16:52:34,584 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-08 16:52:34,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-08 16:52:34,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-08 16:52:34,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-08 16:52:34,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 16:52:34,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:52:34,789 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-11-08 16:52:34,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 16:52:34,933 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:52:34,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:52:34 BoogieIcfgContainer [2024-11-08 16:52:34,951 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:52:34,951 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:52:34,951 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:52:34,952 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:52:34,952 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:52:29" (3/4) ... [2024-11-08 16:52:34,954 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 16:52:34,962 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 16:52:34,962 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 16:52:34,962 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 16:52:35,042 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:52:35,043 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 16:52:35,043 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:52:35,044 INFO L158 Benchmark]: Toolchain (without parser) took 6656.34ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 102.2MB in the beginning and 86.1MB in the end (delta: 16.0MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-11-08 16:52:35,045 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory was 100.9MB in the beginning and 100.8MB in the end (delta: 121.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:52:35,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.06ms. Allocated memory is still 132.1MB. Free memory was 102.2MB in the beginning and 99.9MB in the end (delta: 2.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:52:35,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.92ms. Allocated memory is still 132.1MB. Free memory was 99.9MB in the beginning and 99.1MB in the end (delta: 770.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:52:35,046 INFO L158 Benchmark]: Boogie Preprocessor took 32.08ms. Allocated memory is still 132.1MB. Free memory was 99.1MB in the beginning and 97.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:52:35,046 INFO L158 Benchmark]: RCFGBuilder took 236.44ms. Allocated memory is still 132.1MB. Free memory was 97.8MB in the beginning and 88.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 16:52:35,047 INFO L158 Benchmark]: TraceAbstraction took 5927.95ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 87.3MB in the beginning and 91.4MB in the end (delta: -4.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-08 16:52:35,047 INFO L158 Benchmark]: Witness Printer took 92.14ms. Allocated memory is still 159.4MB. Free memory was 90.4MB in the beginning and 86.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:52:35,049 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory was 100.9MB in the beginning and 100.8MB in the end (delta: 121.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.06ms. Allocated memory is still 132.1MB. Free memory was 102.2MB in the beginning and 99.9MB in the end (delta: 2.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.92ms. Allocated memory is still 132.1MB. Free memory was 99.9MB in the beginning and 99.1MB in the end (delta: 770.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.08ms. Allocated memory is still 132.1MB. Free memory was 99.1MB in the beginning and 97.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 236.44ms. Allocated memory is still 132.1MB. Free memory was 97.8MB in the beginning and 88.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5927.95ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 87.3MB in the beginning and 91.4MB in the end (delta: -4.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Witness Printer took 92.14ms. Allocated memory is still 159.4MB. Free memory was 90.4MB in the beginning and 86.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 8, TraceHistogramMax: 15, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 111 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 355 IncrementalHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 38 mSDtfsCounter, 355 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=7, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 376 NumberOfCodeBlocks, 310 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 526 ConstructedInterpolants, 0 QuantifiedInterpolants, 1424 SizeOfPredicates, 3 NumberOfNonLiveVariables, 196 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 17 InterpolantComputations, 4 PerfectInterpolantSequences, 1216/2339 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((23 == y) && (x <= 2147483647)) || ((x <= 2147483624) && (y == 24))) || (((y <= 2147483646) && ((((long) 2 * y) + x) <= 2147483650)) && (24 <= y))) RESULT: Ultimate proved your program to be correct! [2024-11-08 16:52:35,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5335d153-a099-48f8-9e6f-66a56f05b8fb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE