./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ --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 fbed0bc4942926c5a065ccbf17163625c88b174c6c8e2c3aa7b7499af2489507 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:43:12,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:43:12,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:43:12,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:43:12,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:43:12,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:43:12,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:43:12,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:43:12,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:43:12,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:43:12,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:43:12,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:43:12,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:43:12,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:43:12,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:43:12,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:43:12,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:43:12,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:43:12,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:43:12,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:43:12,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:43:12,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:43:12,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:43:12,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:43:12,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:43:12,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:43:12,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:43:12,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:43:12,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:43:12,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:43:12,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:43:12,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:43:12,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:43:12,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:43:12,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:43:12,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:43:12,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:43:12,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:43:12,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:43:12,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:43:12,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:43:12,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:43:12,540 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:43:12,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:43:12,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:43:12,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:43:12,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:43:12,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:43:12,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:43:12,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:43:12,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:43:12,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:43:12,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:43:12,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:43:12,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:43:12,546 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:43:12,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:43:12,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:43:12,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:43:12,547 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:43:12,547 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:43:12,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:43:12,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:43:12,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:43:12,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:43:12,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:43:12,548 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:43:12,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:43:12,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:43:12,549 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_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbed0bc4942926c5a065ccbf17163625c88b174c6c8e2c3aa7b7499af2489507 [2022-11-20 17:43:12,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:43:12,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:43:12,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:43:12,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:43:12,866 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:43:12,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1a.c [2022-11-20 17:43:15,940 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:43:16,130 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:43:16,131 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1a.c [2022-11-20 17:43:16,137 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/data/51735cc52/bdc237ae800b4d8998e1670df28083f2/FLAGca9fb1b33 [2022-11-20 17:43:16,151 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/data/51735cc52/bdc237ae800b4d8998e1670df28083f2 [2022-11-20 17:43:16,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:43:16,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:43:16,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:43:16,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:43:16,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:43:16,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b69286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16, skipping insertion in model container [2022-11-20 17:43:16,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:43:16,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:43:16,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:43:16,344 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:43:16,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:43:16,367 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:43:16,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16 WrapperNode [2022-11-20 17:43:16,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:43:16,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:43:16,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:43:16,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:43:16,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,397 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2022-11-20 17:43:16,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:43:16,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:43:16,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:43:16,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:43:16,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,416 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:43:16,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:43:16,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:43:16,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:43:16,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:43:16,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:43:16,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:43:16,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:43:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:43:16,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:43:16,585 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:43:16,587 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:43:16,755 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:43:16,779 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:43:16,779 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:43:16,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:43:16 BoogieIcfgContainer [2022-11-20 17:43:16,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:43:16,784 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:43:16,785 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:43:16,795 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:43:16,795 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:43:16" (1/1) ... [2022-11-20 17:43:16,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:43:16,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:16,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2022-11-20 17:43:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2022-11-20 17:43:16,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:43:16,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:16,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:43:16,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:43:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:43:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:43:17,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:43:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:43:17,048 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 17:43:17,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:43:17 ImpRootNode [2022-11-20 17:43:17,097 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:43:17,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:43:17,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:43:17,098 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:43:17,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:43:16" (3/4) ... [2022-11-20 17:43:17,101 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:43:17,131 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:43:17,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:43:17,133 INFO L158 Benchmark]: Toolchain (without parser) took 976.60ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 64.8MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-20 17:43:17,133 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 96.5MB. Free memory was 44.1MB in the beginning and 44.0MB in the end (delta: 100.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:43:17,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.75ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 88.8MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:43:17,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.82ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 87.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:43:17,135 INFO L158 Benchmark]: Boogie Preprocessor took 18.30ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 86.2MB in the end (delta: 963.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:43:17,136 INFO L158 Benchmark]: RCFGBuilder took 362.92ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 75.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:43:17,137 INFO L158 Benchmark]: CodeCheck took 313.19ms. Allocated memory is still 142.6MB. Free memory was 75.8MB in the beginning and 66.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:43:17,137 INFO L158 Benchmark]: Witness Printer took 33.81ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 64.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:43:17,141 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int a, b; [L15] a = __VERIFIER_nondet_int() [L16] b = __VERIFIER_nondet_int() [L17] COND TRUE a >= 0 VAL [a=2147483647, b=1] [L18] a + b VAL [a=2147483647, b=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 96.5MB. Free memory was 44.1MB in the beginning and 44.0MB in the end (delta: 100.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.75ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 88.8MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.82ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 87.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.30ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 86.2MB in the end (delta: 963.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.92ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 75.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 313.19ms. Allocated memory is still 142.6MB. Free memory was 75.8MB in the beginning and 66.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 33.81ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 64.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:43:17,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8b62d5-ee06-4b02-9081-fea91dda4527/bin/ukojak-pZX7IvK2PQ/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)