./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Loop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Loop-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg --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 42637c171db16e9b30ddb9b81ced3fc8afebc727d3cebc25aef685f9a2d7301b --- 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-b5237d8 [2022-11-21 22:42:35,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:42:35,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:42:35,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:42:35,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:42:35,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:42:35,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:42:35,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:42:35,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:42:35,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:42:35,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:42:35,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:42:35,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:42:35,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:42:35,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:42:35,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:42:35,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:42:35,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:42:35,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:42:35,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:42:35,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:42:35,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:42:35,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:42:35,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:42:35,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:42:35,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:42:35,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:42:35,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:42:35,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:42:35,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:42:35,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:42:35,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:42:35,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:42:35,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:42:35,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:42:35,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:42:35,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:42:35,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:42:35,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:42:35,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:42:35,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:42:35,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:42:35,793 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:42:35,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:42:35,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:42:35,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:42:35,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:42:35,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:42:35,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:42:35,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:42:35,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:42:35,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:42:35,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:42:35,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:42:35,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:42:35,797 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:42:35,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:42:35,797 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:42:35,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:42:35,798 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:42:35,798 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:42:35,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:42:35,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:42:35,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:42:35,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:42:35,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:42:35,799 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:42:35,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:42:35,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:42:35,800 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_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42637c171db16e9b30ddb9b81ced3fc8afebc727d3cebc25aef685f9a2d7301b [2022-11-21 22:42:36,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:42:36,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:42:36,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:42:36,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:42:36,164 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:42:36,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-restricted-15/Loop-2.c [2022-11-21 22:42:39,234 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:42:39,488 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:42:39,488 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/sv-benchmarks/c/termination-restricted-15/Loop-2.c [2022-11-21 22:42:39,493 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/data/32b3e2d06/65680847b9de4dac92603495fb128684/FLAG5d98384d3 [2022-11-21 22:42:39,507 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/data/32b3e2d06/65680847b9de4dac92603495fb128684 [2022-11-21 22:42:39,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:42:39,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:42:39,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:42:39,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:42:39,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:42:39,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7061400d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39, skipping insertion in model container [2022-11-21 22:42:39,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:42:39,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:42:39,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:42:39,708 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:42:39,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:42:39,755 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:42:39,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39 WrapperNode [2022-11-21 22:42:39,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:42:39,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:42:39,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:42:39,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:42:39,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,788 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2022-11-21 22:42:39,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:42:39,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:42:39,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:42:39,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:42:39,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,807 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:42:39,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:42:39,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:42:39,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:42:39,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:42:39" (1/1) ... [2022-11-21 22:42:39,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:42:39,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:42:39,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:42:39,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:42:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:42:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:42:39,959 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:42:39,961 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:42:40,064 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:42:40,100 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:42:40,101 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 22:42:40,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:42:40 BoogieIcfgContainer [2022-11-21 22:42:40,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:42:40,104 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:42:40,104 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:42:40,123 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:42:40,124 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:42:40" (1/1) ... [2022-11-21 22:42:40,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:42:40,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:42:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-11-21 22:42:40,211 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-11-21 22:42:40,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 22:42:40,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:42:40,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:42:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:42:40,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:42:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:42:40,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2022-11-21 22:42:40,471 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2022-11-21 22:42:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:42:40,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:42:40,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:42:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:42:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:42:40,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:42:40,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-21 22:42:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-21 22:42:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:42:40,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:42:40,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:42:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:42:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:42:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:42:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-21 22:42:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-21 22:42:40,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:42:40,767 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-11-21 22:42:40,776 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-21 22:42:40,821 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 22:42:40,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:42:40 ImpRootNode [2022-11-21 22:42:40,832 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:42:40,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:42:40,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:42:40,834 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:42:40,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:42:40" (3/4) ... [2022-11-21 22:42:40,838 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:42:40,849 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 22:42:40,850 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 22:42:40,850 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 22:42:40,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:42:40,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:42:40,889 INFO L158 Benchmark]: Toolchain (without parser) took 1378.04ms. Allocated memory is still 165.7MB. Free memory was 132.8MB in the beginning and 101.9MB in the end (delta: 30.9MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-11-21 22:42:40,890 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 130.0MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:42:40,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.63ms. Allocated memory is still 165.7MB. Free memory was 132.0MB in the beginning and 135.6MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 22:42:40,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.42ms. Allocated memory is still 165.7MB. Free memory was 135.6MB in the beginning and 133.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:42:40,891 INFO L158 Benchmark]: Boogie Preprocessor took 19.64ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 132.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:42:40,892 INFO L158 Benchmark]: RCFGBuilder took 293.86ms. Allocated memory is still 165.7MB. Free memory was 132.5MB in the beginning and 124.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 22:42:40,893 INFO L158 Benchmark]: CodeCheck took 728.42ms. Allocated memory is still 165.7MB. Free memory was 124.1MB in the beginning and 104.0MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:42:40,893 INFO L158 Benchmark]: Witness Printer took 55.28ms. Allocated memory is still 165.7MB. Free memory was 104.0MB in the beginning and 101.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:42:40,896 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, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 0 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 <= i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 130.0MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.63ms. Allocated memory is still 165.7MB. Free memory was 132.0MB in the beginning and 135.6MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.42ms. Allocated memory is still 165.7MB. Free memory was 135.6MB in the beginning and 133.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.64ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 132.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.86ms. Allocated memory is still 165.7MB. Free memory was 132.5MB in the beginning and 124.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 728.42ms. Allocated memory is still 165.7MB. Free memory was 124.1MB in the beginning and 104.0MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 55.28ms. Allocated memory is still 165.7MB. Free memory was 104.0MB in the beginning and 101.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:42:40,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1e4304-65eb-4f4a-b7c0-b9111e3bb754/bin/ukojak-jW3SillKbg/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