./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Parallel.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Parallel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6d237a1b253e1662249abfec0a27795a205783446cdc8f92e994520c562b96f7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:45:25,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:45:25,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:45:25,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:45:25,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:45:25,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:45:25,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:45:25,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:45:25,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:45:25,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:45:25,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:45:25,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:45:25,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:45:25,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:45:25,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:45:25,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:45:25,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:45:25,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:45:25,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:45:25,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:45:25,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:45:25,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:45:25,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:45:25,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:45:26,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:45:26,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:45:26,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:45:26,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:45:26,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:45:26,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:45:26,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:45:26,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:45:26,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:45:26,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:45:26,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:45:26,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:45:26,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:45:26,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:45:26,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:45:26,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:45:26,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:45:26,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 04:45:26,070 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:45:26,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:45:26,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:45:26,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:45:26,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:45:26,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:45:26,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:45:26,074 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:45:26,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:45:26,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:45:26,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:45:26,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:45:26,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:45:26,083 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 04:45:26,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:45:26,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:45:26,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:45:26,083 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:45:26,084 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:45:26,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:45:26,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:45:26,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:45:26,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:45:26,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:45:26,085 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:45:26,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:45:26,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:45:26,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d237a1b253e1662249abfec0a27795a205783446cdc8f92e994520c562b96f7 [2021-11-21 04:45:26,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:45:26,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:45:26,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:45:26,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:45:26,381 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:45:26,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted/Parallel.c [2021-11-21 04:45:26,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/data/06dd40e6a/538c6744771c4b67bd90205300c64e67/FLAG21df8196b [2021-11-21 04:45:26,866 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:45:26,866 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/sv-benchmarks/c/termination-crafted/Parallel.c [2021-11-21 04:45:26,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/data/06dd40e6a/538c6744771c4b67bd90205300c64e67/FLAG21df8196b [2021-11-21 04:45:27,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/data/06dd40e6a/538c6744771c4b67bd90205300c64e67 [2021-11-21 04:45:27,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:45:27,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:45:27,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:45:27,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:45:27,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:45:27,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2836ceb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:27, skipping insertion in model container [2021-11-21 04:45:27,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:45:27,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:45:27,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:45:27,476 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:45:27,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:45:27,512 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:45:27,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:27 WrapperNode [2021-11-21 04:45:27,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:45:27,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:45:27,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:45:27,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:45:27,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,549 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-11-21 04:45:27,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:45:27,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:45:27,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:45:27,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:45:27,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:45:27,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:45:27,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:45:27,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:45:27,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:45:27,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:45:27,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:45:27,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:45:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:45:27,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:45:27,700 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:45:27,701 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:45:27,773 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:45:27,792 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:45:27,792 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 04:45:27,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:45:27 BoogieIcfgContainer [2021-11-21 04:45:27,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:45:27,796 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:45:27,796 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:45:27,806 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:45:27,806 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:45:27" (1/1) ... [2021-11-21 04:45:27,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:45:27,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:27,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-21 04:45:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-21 04:45:27,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:45:27,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:27,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:45:28,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-11-21 04:45:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-11-21 04:45:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:45:28,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:28,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:28,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:45:28,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2021-11-21 04:45:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2021-11-21 04:45:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:45:28,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:28,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:45:28,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:28,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-11-21 04:45:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-11-21 04:45:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:45:28,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:28,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:45:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:28,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2021-11-21 04:45:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2021-11-21 04:45:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:45:28,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:28,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:28,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:45:28,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:28,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2021-11-21 04:45:28,737 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2021-11-21 04:45:28,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:45:28,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:28,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:45:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-11-21 04:45:28,888 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-11-21 04:45:28,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:45:28,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:28,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:45:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2021-11-21 04:45:29,085 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2021-11-21 04:45:29,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:45:29,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:29,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:29,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:45:29,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-11-21 04:45:29,177 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-21 04:45:29,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 04:45:29,178 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-11-21 04:45:29,189 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-21 04:45:29,222 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-21 04:45:29,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 04:45:29 ImpRootNode [2021-11-21 04:45:29,232 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 04:45:29,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 04:45:29,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 04:45:29,233 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 04:45:29,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:45:27" (3/4) ... [2021-11-21 04:45:29,237 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 04:45:29,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-21 04:45:29,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-21 04:45:29,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 04:45:29,305 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 04:45:29,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 04:45:29,306 INFO L158 Benchmark]: Toolchain (without parser) took 2021.35ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 70.1MB in the end (delta: 6.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-11-21 04:45:29,307 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 88.1MB. Free memory was 61.6MB in the beginning and 61.6MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:45:29,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.25ms. Allocated memory is still 111.1MB. Free memory was 76.2MB in the beginning and 88.1MB in the end (delta: -11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 04:45:29,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.44ms. Allocated memory is still 111.1MB. Free memory was 88.1MB in the beginning and 87.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:45:29,308 INFO L158 Benchmark]: Boogie Preprocessor took 28.64ms. Allocated memory is still 111.1MB. Free memory was 87.0MB in the beginning and 86.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:45:29,309 INFO L158 Benchmark]: RCFGBuilder took 213.46ms. Allocated memory is still 111.1MB. Free memory was 86.0MB in the beginning and 77.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 04:45:29,309 INFO L158 Benchmark]: CodeCheck took 1436.43ms. Allocated memory is still 111.1MB. Free memory was 77.1MB in the beginning and 72.4MB in the end (delta: 4.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-21 04:45:29,310 INFO L158 Benchmark]: Witness Printer took 73.00ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 70.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:45:29,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 119 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 474 IncrementalHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 119 mSolverCounterUnsat, 32 mSDtfsCounter, 474 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 458 GetRequests, 401 SyntacticMatches, 21 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 88.1MB. Free memory was 61.6MB in the beginning and 61.6MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.25ms. Allocated memory is still 111.1MB. Free memory was 76.2MB in the beginning and 88.1MB in the end (delta: -11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.44ms. Allocated memory is still 111.1MB. Free memory was 88.1MB in the beginning and 87.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.64ms. Allocated memory is still 111.1MB. Free memory was 87.0MB in the beginning and 86.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 213.46ms. Allocated memory is still 111.1MB. Free memory was 86.0MB in the beginning and 77.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1436.43ms. Allocated memory is still 111.1MB. Free memory was 77.1MB in the beginning and 72.4MB in the end (delta: 4.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 73.00ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 70.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 04:45:29,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33590570-f32e-4a5e-94f8-ba424460f15e/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE