./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4 --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 626f3da6fd18561761a79d5d72b6e4952ec90284e3abc32807b89f761ebfb898 --- 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-2329fc7 [2022-12-15 03:24:00,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:24:00,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:24:00,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:24:00,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:24:00,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:24:00,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:24:00,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:24:00,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:24:00,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:24:00,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:24:00,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:24:00,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:24:00,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:24:00,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:24:00,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:24:00,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:24:00,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:24:00,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:24:00,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:24:00,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:24:00,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:24:00,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:24:00,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:24:00,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:24:00,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:24:00,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:24:00,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:24:00,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:24:00,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:24:00,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:24:00,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:24:00,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:24:00,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:24:00,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:24:00,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:24:00,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:24:00,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:24:00,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:24:00,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:24:00,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:24:00,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:24:00,616 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:24:00,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:24:00,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:24:00,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:24:00,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:24:00,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:24:00,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:24:00,619 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:24:00,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:24:00,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:24:00,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:24:00,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:24:00,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:24:00,620 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:24:00,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:24:00,620 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:24:00,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:24:00,620 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:24:00,620 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:24:00,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:24:00,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:24:00,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:24:00,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:24:00,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:24:00,621 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:24:00,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:24:00,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:24:00,622 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_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 626f3da6fd18561761a79d5d72b6e4952ec90284e3abc32807b89f761ebfb898 [2022-12-15 03:24:00,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:24:00,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:24:00,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:24:00,844 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:24:00,844 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:24:00,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c [2022-12-15 03:24:03,549 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:24:03,661 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:24:03,662 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c [2022-12-15 03:24:03,666 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/data/2ce992cdf/30727fae3bc346e6afaf51a4489a0e63/FLAGc87c780ba [2022-12-15 03:24:03,676 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/data/2ce992cdf/30727fae3bc346e6afaf51a4489a0e63 [2022-12-15 03:24:03,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:24:03,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:24:03,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:24:03,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:24:03,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:24:03,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59253a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03, skipping insertion in model container [2022-12-15 03:24:03,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:24:03,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:24:03,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:24:03,809 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:24:03,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:24:03,828 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:24:03,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03 WrapperNode [2022-12-15 03:24:03,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:24:03,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:24:03,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:24:03,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:24:03,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,850 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-12-15 03:24:03,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:24:03,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:24:03,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:24:03,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:24:03,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,863 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:24:03,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:24:03,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:24:03,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:24:03,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:24:03" (1/1) ... [2022-12-15 03:24:03,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:24:03,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:24:03,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:24:03,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:24:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:24:03,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:24:03,977 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:24:03,978 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:24:04,041 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:24:04,059 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:24:04,060 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:24:04,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:24:04 BoogieIcfgContainer [2022-12-15 03:24:04,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:24:04,063 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:24:04,063 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:24:04,072 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:24:04,073 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:24:04" (1/1) ... [2022-12-15 03:24:04,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:24:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:24:04,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-12-15 03:24:04,126 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-12-15 03:24:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:24:04,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:24:04,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:24:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:24:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:24:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:24:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2022-12-15 03:24:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2022-12-15 03:24:04,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:24:04,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:24:04,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:24:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:24:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:24:04,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:24:04,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2022-12-15 03:24:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-12-15 03:24:04,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:24:04,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:24:04,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:24:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:24:04,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:24:04,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:24:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-12-15 03:24:04,519 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-12-15 03:24:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:24:04,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:24:04,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:24:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:24:04,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:24:04,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:24:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2022-12-15 03:24:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2022-12-15 03:24:04,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:24:04,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:24:04,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:24:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:24:04,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:24:04,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:24:04,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2022-12-15 03:24:04,824 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2022-12-15 03:24:04,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:24:04,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:24:04,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:24:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:24:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:24:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:24:04,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-15 03:24:04,950 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-15 03:24:04,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:24:04,950 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-15 03:24:04,958 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 03:24:04,978 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-15 03:24:04,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:24:04 ImpRootNode [2022-12-15 03:24:04,984 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:24:04,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:24:04,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:24:04,985 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:24:04,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:24:04" (3/4) ... [2022-12-15 03:24:04,988 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:24:04,994 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-15 03:24:04,994 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-15 03:24:04,994 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 03:24:05,017 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:24:05,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:24:05,018 INFO L158 Benchmark]: Toolchain (without parser) took 1338.93ms. Allocated memory is still 153.1MB. Free memory was 93.7MB in the beginning and 111.4MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:24:05,018 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:24:05,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.12ms. Allocated memory is still 153.1MB. Free memory was 93.4MB in the beginning and 125.2MB in the end (delta: -31.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-12-15 03:24:05,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.60ms. Allocated memory is still 153.1MB. Free memory was 125.2MB in the beginning and 123.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:24:05,019 INFO L158 Benchmark]: Boogie Preprocessor took 14.38ms. Allocated memory is still 153.1MB. Free memory was 123.8MB in the beginning and 122.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:24:05,019 INFO L158 Benchmark]: RCFGBuilder took 196.66ms. Allocated memory is still 153.1MB. Free memory was 122.8MB in the beginning and 113.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:24:05,020 INFO L158 Benchmark]: CodeCheck took 921.44ms. Allocated memory is still 153.1MB. Free memory was 113.3MB in the beginning and 114.1MB in the end (delta: -877.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:24:05,020 INFO L158 Benchmark]: Witness Printer took 32.38ms. Allocated memory is still 153.1MB. Free memory was 114.1MB in the beginning and 111.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:24:05,022 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: 0.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 52 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 331 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 4/4 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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: 18]: 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 0.20ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.12ms. Allocated memory is still 153.1MB. Free memory was 93.4MB in the beginning and 125.2MB in the end (delta: -31.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.60ms. Allocated memory is still 153.1MB. Free memory was 125.2MB in the beginning and 123.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.38ms. Allocated memory is still 153.1MB. Free memory was 123.8MB in the beginning and 122.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 196.66ms. Allocated memory is still 153.1MB. Free memory was 122.8MB in the beginning and 113.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 921.44ms. Allocated memory is still 153.1MB. Free memory was 113.3MB in the beginning and 114.1MB in the end (delta: -877.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 32.38ms. Allocated memory is still 153.1MB. Free memory was 114.1MB in the beginning and 111.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:24:05,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba99ba-c083-4118-ace9-44c1d1e681f5/bin/ukojak-rkRKPMF4O4/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