./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ee8036e2d674497ff23bc3ed2316854be1442f7a1dd6897d55977d8700d5402 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:44:51,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:44:51,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:44:51,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:44:51,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:44:51,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:44:51,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:44:51,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:44:51,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:44:51,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:44:51,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:44:51,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:44:51,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:44:51,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:44:51,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:44:51,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:44:51,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:44:51,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:44:51,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:44:51,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:44:51,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:44:51,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:44:51,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:44:51,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:44:51,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:44:51,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:44:51,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:44:51,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:44:51,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:44:51,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:44:51,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:44:51,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:44:51,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:44:51,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:44:51,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:44:51,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:44:51,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:44:51,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:44:51,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:44:51,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:44:51,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:44:51,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:44:51,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:44:51,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:44:51,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:44:51,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:44:51,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:44:51,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:44:51,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:44:51,683 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:44:51,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:44:51,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:44:51,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:44:51,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:44:51,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:44:51,685 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:44:51,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:44:51,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:44:51,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:44:51,686 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:44:51,686 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:44:51,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:44:51,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:44:51,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:44:51,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:44:51,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:44:51,687 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:44:51,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:44:51,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:44:51,688 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_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ee8036e2d674497ff23bc3ed2316854be1442f7a1dd6897d55977d8700d5402 [2022-11-20 16:44:51,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:44:51,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:44:51,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:44:51,961 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:44:51,962 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:44:51,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c [2022-11-20 16:44:55,013 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:44:55,224 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:44:55,225 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c [2022-11-20 16:44:55,232 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/data/29504572b/d0f06417f5834101bacb4f488d41c0a1/FLAGe17c9964c [2022-11-20 16:44:55,607 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/data/29504572b/d0f06417f5834101bacb4f488d41c0a1 [2022-11-20 16:44:55,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:44:55,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:44:55,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:44:55,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:44:55,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:44:55,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92b5a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55, skipping insertion in model container [2022-11-20 16:44:55,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:44:55,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:44:55,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:44:55,777 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:44:55,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:44:55,796 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:44:55,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55 WrapperNode [2022-11-20 16:44:55,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:44:55,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:44:55,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:44:55,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:44:55,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,830 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2022-11-20 16:44:55,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:44:55,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:44:55,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:44:55,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:44:55,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,849 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:44:55,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:44:55,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:44:55,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:44:55,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:55" (1/1) ... [2022-11-20 16:44:55,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:44:55,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:44:55,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:44:55,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:44:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:44:55,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:44:55,995 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:44:55,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:44:56,052 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:44:56,069 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:44:56,070 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:44:56,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:44:56 BoogieIcfgContainer [2022-11-20 16:44:56,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:44:56,073 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:44:56,073 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:44:56,081 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:44:56,081 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:44:56" (1/1) ... [2022-11-20 16:44:56,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:44:56,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:56,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-11-20 16:44:56,139 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-11-20 16:44:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:44:56,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:56,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:56,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2022-11-20 16:44:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2022-11-20 16:44:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:44:56,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:56,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:56,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-20 16:44:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-20 16:44:56,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:44:56,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:56,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:56,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:56,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2022-11-20 16:44:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2022-11-20 16:44:56,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:44:56,645 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-11-20 16:44:56,656 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-20 16:44:56,687 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 16:44:56,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:44:56 ImpRootNode [2022-11-20 16:44:56,696 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:44:56,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:44:56,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:44:56,698 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:44:56,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:44:56" (3/4) ... [2022-11-20 16:44:56,703 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:44:56,713 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 16:44:56,714 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 16:44:56,714 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 16:44:56,768 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:44:56,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:44:56,769 INFO L158 Benchmark]: Toolchain (without parser) took 1158.39ms. Allocated memory is still 132.1MB. Free memory was 98.3MB in the beginning and 98.3MB in the end (delta: -9.3kB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2022-11-20 16:44:56,772 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:44:56,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.21ms. Allocated memory is still 132.1MB. Free memory was 98.0MB in the beginning and 89.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 16:44:56,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.38ms. Allocated memory is still 132.1MB. Free memory was 89.1MB in the beginning and 87.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:44:56,778 INFO L158 Benchmark]: Boogie Preprocessor took 17.73ms. Allocated memory is still 132.1MB. Free memory was 87.6MB in the beginning and 86.8MB in the end (delta: 774.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:44:56,779 INFO L158 Benchmark]: RCFGBuilder took 220.59ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 77.8MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:44:56,779 INFO L158 Benchmark]: CodeCheck took 623.30ms. Allocated memory is still 132.1MB. Free memory was 77.8MB in the beginning and 100.4MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:44:56,781 INFO L158 Benchmark]: Witness Printer took 70.81ms. Allocated memory is still 132.1MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:44:56,784 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: 0.5s, 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, 14 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 0 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 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, 28 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: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: 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: 16]: Loop Invariant Derived loop invariant: 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 is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.21ms. Allocated memory is still 132.1MB. Free memory was 98.0MB in the beginning and 89.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.38ms. Allocated memory is still 132.1MB. Free memory was 89.1MB in the beginning and 87.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.73ms. Allocated memory is still 132.1MB. Free memory was 87.6MB in the beginning and 86.8MB in the end (delta: 774.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 220.59ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 77.8MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 623.30ms. Allocated memory is still 132.1MB. Free memory was 77.8MB in the beginning and 100.4MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.81ms. Allocated memory is still 132.1MB. Free memory was 100.4MB in the beginning and 98.3MB 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! [2022-11-20 16:44:56,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e2ff45-b044-4c83-8e75-c4159f1a97cc/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE