./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY --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 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 .............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:04:34,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:04:34,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:04:34,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:04:34,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:04:34,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:04:34,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:04:35,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:04:35,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:04:35,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:04:35,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:04:35,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:04:35,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:04:35,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:04:35,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:04:35,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:04:35,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:04:35,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:04:35,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:04:35,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:04:35,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:04:35,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:04:35,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:04:35,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:04:35,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:04:35,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:04:35,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:04:35,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:04:35,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:04:35,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:04:35,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:04:35,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:04:35,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:04:35,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:04:35,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:04:35,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:04:35,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:04:35,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:04:35,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:04:35,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:04:35,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:04:35,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 04:04:35,120 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:04:35,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:04:35,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:04:35,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:04:35,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:04:35,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:04:35,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:04:35,124 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:04:35,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:04:35,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:04:35,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:04:35,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:04:35,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:04:35,132 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:04:35,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:04:35,133 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:04:35,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:04:35,133 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:04:35,133 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:04:35,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:04:35,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:04:35,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:04:35,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:04:35,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:04:35,135 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:04:35,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:04:35,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:04:35,136 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_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 [2021-10-13 04:04:35,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:04:35,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:04:35,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:04:35,451 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:04:35,452 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:04:35,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2021-10-13 04:04:35,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/data/3c4f46331/aad8ede8d42b403c9c6994d7b2e75927/FLAG301025e07 [2021-10-13 04:04:36,104 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:04:36,104 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2021-10-13 04:04:36,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/data/3c4f46331/aad8ede8d42b403c9c6994d7b2e75927/FLAG301025e07 [2021-10-13 04:04:36,497 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/data/3c4f46331/aad8ede8d42b403c9c6994d7b2e75927 [2021-10-13 04:04:36,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:04:36,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:04:36,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:04:36,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:04:36,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:04:36,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:04:36" (1/1) ... [2021-10-13 04:04:36,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c0849c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:36, skipping insertion in model container [2021-10-13 04:04:36,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:04:36" (1/1) ... [2021-10-13 04:04:36,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:04:36,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:04:36,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:04:36,693 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:04:36,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:04:36,724 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:04:36,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:36 WrapperNode [2021-10-13 04:04:36,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:04:36,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:04:36,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:04:36,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:04:36,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:36" (1/1) ... [2021-10-13 04:04:36,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:36" (1/1) ... [2021-10-13 04:04:36,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:04:36,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:04:36,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:04:36,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:04:36,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:36" (1/1) ... [2021-10-13 04:04:36,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:36" (1/1) ... [2021-10-13 04:04:36,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:36" (1/1) ... [2021-10-13 04:04:36,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:36" (1/1) ... [2021-10-13 04:04:36,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:36" (1/1) ... [2021-10-13 04:04:36,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:36" (1/1) ... [2021-10-13 04:04:36,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:36" (1/1) ... [2021-10-13 04:04:36,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:04:36,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:04:36,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:04:36,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:04:36,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:04:36" (1/1) ... [2021-10-13 04:04:36,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:04:36,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:04:36,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:04:36,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:04:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:04:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:04:37,106 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:04:37,106 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 04:04:37,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:04:37 BoogieIcfgContainer [2021-10-13 04:04:37,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:04:37,110 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:04:37,112 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:04:37,120 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:04:37,121 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:04:37" (1/1) ... [2021-10-13 04:04:37,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:04:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2021-10-13 04:04:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2021-10-13 04:04:37,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:04:37,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:37,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:37,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:37,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2021-10-13 04:04:37,326 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-10-13 04:04:37,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:04:37,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:37,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:37,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:37,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2021-10-13 04:04:37,422 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2021-10-13 04:04:37,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:04:37,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:37,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:37,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:37,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:37,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2021-10-13 04:04:37,661 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2021-10-13 04:04:37,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:04:37,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:37,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:37,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2021-10-13 04:04:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2021-10-13 04:04:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:04:37,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:37,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2021-10-13 04:04:37,892 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2021-10-13 04:04:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:04:37,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:37,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:38,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:38,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2021-10-13 04:04:38,206 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2021-10-13 04:04:38,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:04:38,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:38,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:38,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2021-10-13 04:04:38,516 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2021-10-13 04:04:38,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:04:38,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:38,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2021-10-13 04:04:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2021-10-13 04:04:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:04:38,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:38,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2021-10-13 04:04:38,801 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2021-10-13 04:04:38,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:04:38,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:38,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:38,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:39,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2021-10-13 04:04:39,286 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2021-10-13 04:04:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:04:39,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:39,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 04:04:39,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:39,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2021-10-13 04:04:39,486 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2021-10-13 04:04:39,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:04:39,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:39,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 04:04:39,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2021-10-13 04:04:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2021-10-13 04:04:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:04:39,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:39,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:39,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2021-10-13 04:04:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2021-10-13 04:04:39,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:04:39,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:39,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2021-10-13 04:04:39,964 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2021-10-13 04:04:39,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:04:39,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:04:39,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:04:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:04:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:04:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:04:40,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-10-13 04:04:40,083 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-10-13 04:04:40,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:04:40,084 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2021-10-13 04:04:40,090 INFO L759 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2021-10-13 04:04:40,159 INFO L565 CodeCheckObserver]: Invariant with dag size 10 [2021-10-13 04:04:40,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:04:40 ImpRootNode [2021-10-13 04:04:40,170 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:04:40,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:04:40,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:04:40,172 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:04:40,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:04:37" (3/4) ... [2021-10-13 04:04:40,175 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:04:40,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 04:04:40,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-13 04:04:40,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 04:04:40,249 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:04:40,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:04:40,251 INFO L168 Benchmark]: Toolchain (without parser) took 3748.76 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 65.3 MB in the beginning and 92.5 MB in the end (delta: -27.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.1 GB. [2021-10-13 04:04:40,252 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 98.6 MB. Free memory is still 52.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:04:40,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.74 ms. Allocated memory is still 98.6 MB. Free memory was 65.1 MB in the beginning and 74.9 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:04:40,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.15 ms. Allocated memory is still 98.6 MB. Free memory was 74.9 MB in the beginning and 73.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:04:40,254 INFO L168 Benchmark]: Boogie Preprocessor took 17.33 ms. Allocated memory is still 98.6 MB. Free memory was 73.6 MB in the beginning and 72.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:04:40,255 INFO L168 Benchmark]: RCFGBuilder took 339.77 ms. Allocated memory is still 98.6 MB. Free memory was 72.6 MB in the beginning and 63.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:04:40,256 INFO L168 Benchmark]: CodeCheck took 3060.20 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 63.3 MB in the beginning and 95.6 MB in the end (delta: -32.3 MB). Peak memory consumption was 624.0 kB. Max. memory is 16.1 GB. [2021-10-13 04:04:40,256 INFO L168 Benchmark]: Witness Printer took 79.06 ms. Allocated memory is still 127.9 MB. Free memory was 95.6 MB in the beginning and 92.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:04:40,260 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2947.9ms, OverallIterations: 16, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 155648 SDtfs, 223574 SDslu, 205088 SDs, 0 SdLazy, 668340 SolverSat, 143406 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2650.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1197 GetRequests, 1070 SyntacticMatches, 39 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3624 ImplicationChecksByTransitivity, 1790.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 26.1ms SsaConstructionTime, 115.1ms SatisfiabilityAnalysisTime, 462.7ms InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 19/20 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (y <= 2147483647 && x <= 2147483647) && 0 <= x + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 98.6 MB. Free memory is still 52.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 220.74 ms. Allocated memory is still 98.6 MB. Free memory was 65.1 MB in the beginning and 74.9 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 25.15 ms. Allocated memory is still 98.6 MB. Free memory was 74.9 MB in the beginning and 73.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.33 ms. Allocated memory is still 98.6 MB. Free memory was 73.6 MB in the beginning and 72.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 339.77 ms. Allocated memory is still 98.6 MB. Free memory was 72.6 MB in the beginning and 63.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 3060.20 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 63.3 MB in the beginning and 95.6 MB in the end (delta: -32.3 MB). Peak memory consumption was 624.0 kB. Max. memory is 16.1 GB. * Witness Printer took 79.06 ms. Allocated memory is still 127.9 MB. Free memory was 95.6 MB in the beginning and 92.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 04:04:40,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b0a61-01fd-40cf-89c7-4c4cdad92af7/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...