./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB15.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_566dcff9-bccb-4074-a912-cceb76a17f61/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/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_566dcff9-bccb-4074-a912-cceb76a17f61/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/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_566dcff9-bccb-4074-a912-cceb76a17f61/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 856b26ed1b95b9c5e409c9e42274459ceef7cfabfe29e933603f5e3c1c7ce07f --- 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 [2022-12-14 16:37:19,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:37:19,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:37:19,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:37:19,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:37:19,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:37:19,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:37:19,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:37:19,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:37:19,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:37:19,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:37:19,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:37:19,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:37:19,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:37:19,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:37:19,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:37:19,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:37:19,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:37:19,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:37:19,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:37:19,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:37:19,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:37:19,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:37:19,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:37:19,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:37:19,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:37:19,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:37:19,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:37:19,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:37:19,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:37:19,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:37:19,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:37:19,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:37:19,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:37:19,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:37:19,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:37:19,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:37:19,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:37:19,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:37:19,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:37:19,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:37:19,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 16:37:19,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:37:19,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:37:19,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:37:19,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:37:19,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:37:19,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:37:19,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:37:19,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:37:19,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:37:19,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:37:19,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:37:19,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:37:19,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:37:19,604 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:37:19,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:37:19,604 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:37:19,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:37:19,605 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:37:19,605 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:37:19,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:37:19,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:37:19,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:37:19,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:37:19,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:37:19,606 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:37:19,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:37:19,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:37:19,607 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_566dcff9-bccb-4074-a912-cceb76a17f61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 856b26ed1b95b9c5e409c9e42274459ceef7cfabfe29e933603f5e3c1c7ce07f [2022-12-14 16:37:19,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:37:19,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:37:19,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:37:19,823 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:37:19,823 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:37:19,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/PastaB15.c [2022-12-14 16:37:22,416 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:37:22,545 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:37:22,546 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/sv-benchmarks/c/termination-restricted-15/PastaB15.c [2022-12-14 16:37:22,550 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/bin/ukojak-rkRKPMF4O4/data/27e93e2ca/878820d280534a64a1d36ec99f388f48/FLAG5750a5591 [2022-12-14 16:37:22,563 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/bin/ukojak-rkRKPMF4O4/data/27e93e2ca/878820d280534a64a1d36ec99f388f48 [2022-12-14 16:37:22,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:37:22,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:37:22,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:37:22,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:37:22,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:37:22,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f5d92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22, skipping insertion in model container [2022-12-14 16:37:22,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:37:22,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:37:22,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:37:22,690 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:37:22,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:37:22,716 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:37:22,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22 WrapperNode [2022-12-14 16:37:22,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:37:22,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:37:22,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:37:22,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:37:22,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,745 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-12-14 16:37:22,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:37:22,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:37:22,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:37:22,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:37:22,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,762 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:37:22,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:37:22,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:37:22,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:37:22,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:22,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:37:22,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:37:22,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:37:22,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:37:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:37:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:37:22,904 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:37:22,906 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:37:22,973 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:37:22,993 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:37:22,993 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 16:37:22,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:37:22 BoogieIcfgContainer [2022-12-14 16:37:22,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:37:22,996 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:37:22,997 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:37:23,007 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:37:23,007 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:37:22" (1/1) ... [2022-12-14 16:37:23,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:37:23,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:23,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-12-14 16:37:23,060 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-12-14 16:37:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 16:37:23,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:23,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2022-12-14 16:37:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2022-12-14 16:37:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:37:23,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:23,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2022-12-14 16:37:23,391 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2022-12-14 16:37:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 16:37:23,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:23,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:23,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:23,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2022-12-14 16:37:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2022-12-14 16:37:23,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 16:37:23,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:23,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:23,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2022-12-14 16:37:23,949 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2022-12-14 16:37:23,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 16:37:23,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:23,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 16:37:24,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:24,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 32 states and 59 transitions. [2022-12-14 16:37:24,520 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 59 transitions. [2022-12-14 16:37:24,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 16:37:24,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:24,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:24,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2022-12-14 16:37:24,773 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-12-14 16:37:24,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:37:24,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:24,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 16:37:25,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:25,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2022-12-14 16:37:25,315 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2022-12-14 16:37:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:37:25,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:25,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:25,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 16:37:25,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2022-12-14 16:37:25,599 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2022-12-14 16:37:25,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:37:25,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:25,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:25,654 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 16:37:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2022-12-14 16:37:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2022-12-14 16:37:25,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 16:37:25,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:25,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 16:37:25,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2022-12-14 16:37:25,894 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2022-12-14 16:37:25,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:37:25,894 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-12-14 16:37:25,900 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 16:37:25,979 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-12-14 16:37:25,988 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2022-12-14 16:37:25,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:37:25 ImpRootNode [2022-12-14 16:37:25,989 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:37:25,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:37:25,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:37:25,990 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:37:25,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:37:22" (3/4) ... [2022-12-14 16:37:25,992 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:37:25,999 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 16:37:25,999 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 16:37:25,999 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 16:37:26,021 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:37:26,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:37:26,022 INFO L158 Benchmark]: Toolchain (without parser) took 3455.34ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 95.9MB in the beginning and 66.4MB in the end (delta: 29.6MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2022-12-14 16:37:26,022 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:37:26,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.45ms. Allocated memory is still 138.4MB. Free memory was 95.7MB in the beginning and 86.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 16:37:26,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.22ms. Allocated memory is still 138.4MB. Free memory was 86.7MB in the beginning and 85.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:37:26,023 INFO L158 Benchmark]: Boogie Preprocessor took 18.00ms. Allocated memory is still 138.4MB. Free memory was 85.3MB in the beginning and 84.3MB in the end (delta: 973.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:37:26,023 INFO L158 Benchmark]: RCFGBuilder took 230.69ms. Allocated memory is still 138.4MB. Free memory was 84.3MB in the beginning and 74.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:37:26,024 INFO L158 Benchmark]: CodeCheck took 2992.82ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 74.3MB in the beginning and 68.4MB in the end (delta: 5.9MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2022-12-14 16:37:26,024 INFO L158 Benchmark]: Witness Printer took 31.87ms. Allocated memory is still 167.8MB. Free memory was 68.4MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:37:26,027 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: 2.9s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 272 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1381 IncrementalHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 272 mSolverCounterUnsat, 20 mSDtfsCounter, 1381 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 922 GetRequests, 800 SyntacticMatches, 12 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5166 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 24/36 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: 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: 13]: Loop Invariant Derived loop invariant: (0 <= z + 2147483648 && x <= 2147483647) || (!(z + 1 <= y) && !(0 <= z + 2147483648)) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (((0 <= z + 2147483648 && x <= 2147483647) && !(x <= y)) || (y <= x + z + 2147483648 && !(0 <= 2147483647 + x))) || ((x <= y && y <= x + z + 2147483648) && y <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.45ms. Allocated memory is still 138.4MB. Free memory was 95.7MB in the beginning and 86.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.22ms. Allocated memory is still 138.4MB. Free memory was 86.7MB in the beginning and 85.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.00ms. Allocated memory is still 138.4MB. Free memory was 85.3MB in the beginning and 84.3MB in the end (delta: 973.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 230.69ms. Allocated memory is still 138.4MB. Free memory was 84.3MB in the beginning and 74.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2992.82ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 74.3MB in the beginning and 68.4MB in the end (delta: 5.9MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Witness Printer took 31.87ms. Allocated memory is still 167.8MB. Free memory was 68.4MB in the beginning and 66.4MB 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! [2022-12-14 16:37:26,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566dcff9-bccb-4074-a912-cceb76a17f61/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