./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN --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 c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:07:48,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:07:48,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:07:48,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:07:48,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:07:48,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:07:48,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:07:48,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:07:48,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:07:48,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:07:48,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:07:48,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:07:48,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:07:48,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:07:48,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:07:48,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:07:48,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:07:48,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:07:48,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:07:48,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:07:48,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:07:48,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:07:48,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:07:48,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:07:48,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:07:48,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:07:48,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:07:48,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:07:48,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:07:48,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:07:48,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:07:48,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:07:48,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:07:48,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:07:48,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:07:48,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:07:48,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:07:48,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:07:48,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:07:48,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:07:48,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:07:48,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 06:07:48,900 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:07:48,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:07:48,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:07:48,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:07:48,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:07:48,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:07:48,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:07:48,904 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:07:48,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:07:48,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:07:48,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:07:48,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:07:48,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:07:48,905 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:07:48,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:07:48,905 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:07:48,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:07:48,906 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:07:48,906 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:07:48,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:07:48,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:07:48,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:07:48,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:07:48,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:07:48,908 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:07:48,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:07:48,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:07:48,908 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_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 [2021-11-21 06:07:49,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:07:49,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:07:49,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:07:49,208 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:07:49,209 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:07:49,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-11-21 06:07:49,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/data/8084b0d13/153c9aacd6d149dd829160358a14818b/FLAGeb3365e3d [2021-11-21 06:07:49,673 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:07:49,674 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-11-21 06:07:49,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/data/8084b0d13/153c9aacd6d149dd829160358a14818b/FLAGeb3365e3d [2021-11-21 06:07:50,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/data/8084b0d13/153c9aacd6d149dd829160358a14818b [2021-11-21 06:07:50,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:07:50,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:07:50,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:07:50,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:07:50,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:07:50,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f4c5781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:07:50, skipping insertion in model container [2021-11-21 06:07:50,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:07:50,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:07:50,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:07:50,275 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:07:50,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:07:50,295 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:07:50,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:07:50 WrapperNode [2021-11-21 06:07:50,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:07:50,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:07:50,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:07:50,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:07:50,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,324 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2021-11-21 06:07:50,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:07:50,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:07:50,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:07:50,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:07:50,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:07:50,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:07:50,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:07:50,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:07:50,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:07:50,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:07:50,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:07:50,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:07:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:07:50,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:07:50,466 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:07:50,468 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:07:50,557 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:07:50,600 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:07:50,601 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 06:07:50,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:07:50 BoogieIcfgContainer [2021-11-21 06:07:50,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:07:50,605 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:07:50,605 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:07:50,613 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:07:50,614 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:07:50" (1/1) ... [2021-11-21 06:07:50,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:07:50,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:50,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2021-11-21 06:07:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 3 transitions. [2021-11-21 06:07:50,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 06:07:50,675 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2021-11-21 06:07:50,682 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2021-11-21 06:07:50,691 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 06:07:50,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:07:50 ImpRootNode [2021-11-21 06:07:50,695 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 06:07:50,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 06:07:50,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 06:07:50,697 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 06:07:50,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:07:50" (3/4) ... [2021-11-21 06:07:50,700 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 06:07:50,707 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-21 06:07:50,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-21 06:07:50,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 06:07:50,740 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 06:07:50,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 06:07:50,742 INFO L158 Benchmark]: Toolchain (without parser) took 649.51ms. Allocated memory is still 109.1MB. Free memory was 77.6MB in the beginning and 67.5MB in the end (delta: 10.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-21 06:07:50,742 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:07:50,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.51ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 85.1MB in the end (delta: -7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:07:50,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.39ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 83.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:07:50,744 INFO L158 Benchmark]: Boogie Preprocessor took 13.38ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 83.0MB in the end (delta: 813.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:07:50,745 INFO L158 Benchmark]: RCFGBuilder took 264.17ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 74.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:07:50,746 INFO L158 Benchmark]: CodeCheck took 90.96ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 69.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 06:07:50,747 INFO L158 Benchmark]: Witness Printer took 44.53ms. Allocated memory is still 109.1MB. Free memory was 69.6MB in the beginning and 67.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:07:50,751 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, 3 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.51ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 85.1MB in the end (delta: -7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.39ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 83.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.38ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 83.0MB in the end (delta: 813.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 264.17ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 74.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 90.96ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 69.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 44.53ms. Allocated memory is still 109.1MB. Free memory was 69.6MB in the beginning and 67.5MB 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! [2021-11-21 06:07:50,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1661a17-b06e-4683-ae44-a4d8ca26b228/bin/ukojak-vF6T2TMglN/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