./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i --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_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/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_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/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_868350a4-64bf-464f-8d2d-46dd7a51e3c2/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 aa5b18db61e20df22a3fcdc42f8106df80a77f1c4c325b98c7e459a148199d39 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:06:11,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:06:11,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:06:11,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:06:11,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:06:11,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:06:11,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:06:11,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:06:11,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:06:11,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:06:11,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:06:11,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:06:11,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:06:11,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:06:11,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:06:11,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:06:11,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:06:11,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:06:11,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:06:11,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:06:11,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:06:11,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:06:11,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:06:11,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:06:11,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:06:11,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:06:11,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:06:11,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:06:11,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:06:11,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:06:11,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:06:11,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:06:11,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:06:11,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:06:11,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:06:11,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:06:11,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:06:11,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:06:11,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:06:11,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:06:11,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:06:11,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 05:06:11,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:06:11,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:06:11,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:06:11,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:06:11,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:06:11,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:06:11,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:06:11,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:06:11,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:06:11,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:06:11,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:06:11,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:06:11,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:06:11,546 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:06:11,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:06:11,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:06:11,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:06:11,546 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:06:11,547 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:06:11,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:06:11,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:06:11,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:06:11,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:06:11,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:06:11,548 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:06:11,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:06:11,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:06:11,548 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_868350a4-64bf-464f-8d2d-46dd7a51e3c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa5b18db61e20df22a3fcdc42f8106df80a77f1c4c325b98c7e459a148199d39 [2021-11-21 05:06:11,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:06:11,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:06:11,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:06:11,899 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:06:11,900 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:06:11,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i [2021-11-21 05:06:11,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN/data/a0d569dc7/2baa89fba34d4217b15295ebd1db6eec/FLAG24468f308 [2021-11-21 05:06:12,569 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:06:12,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i [2021-11-21 05:06:12,584 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN/data/a0d569dc7/2baa89fba34d4217b15295ebd1db6eec/FLAG24468f308 [2021-11-21 05:06:12,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN/data/a0d569dc7/2baa89fba34d4217b15295ebd1db6eec [2021-11-21 05:06:12,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:06:12,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:06:12,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:06:12,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:06:12,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:06:12,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:06:12" (1/1) ... [2021-11-21 05:06:12,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41613b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:12, skipping insertion in model container [2021-11-21 05:06:12,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:06:12" (1/1) ... [2021-11-21 05:06:12,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:06:12,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:06:13,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:06:13,214 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:06:13,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:06:13,272 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:06:13,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:13 WrapperNode [2021-11-21 05:06:13,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:06:13,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:06:13,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:06:13,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:06:13,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:13" (1/1) ... [2021-11-21 05:06:13,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:13" (1/1) ... [2021-11-21 05:06:13,309 INFO L137 Inliner]: procedures = 106, calls = 3, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2021-11-21 05:06:13,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:06:13,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:06:13,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:06:13,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:06:13,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:13" (1/1) ... [2021-11-21 05:06:13,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:13" (1/1) ... [2021-11-21 05:06:13,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:13" (1/1) ... [2021-11-21 05:06:13,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:13" (1/1) ... [2021-11-21 05:06:13,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:13" (1/1) ... [2021-11-21 05:06:13,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:13" (1/1) ... [2021-11-21 05:06:13,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:13" (1/1) ... [2021-11-21 05:06:13,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:06:13,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:06:13,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:06:13,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:06:13,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:13" (1/1) ... [2021-11-21 05:06:13,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:06:13,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:06:13,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:06:13,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:06:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:06:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:06:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:06:13,507 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:06:13,510 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:06:13,610 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:06:13,623 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:06:13,636 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 05:06:13,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:06:13 BoogieIcfgContainer [2021-11-21 05:06:13,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:06:13,652 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:06:13,653 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:06:13,663 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:06:13,663 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:06:13" (1/1) ... [2021-11-21 05:06:13,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:06:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:06:13,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2021-11-21 05:06:13,783 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2021-11-21 05:06:13,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-21 05:06:13,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:06:13,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:06:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:06:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:06:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:06:13,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2021-11-21 05:06:13,973 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2021-11-21 05:06:13,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:06:13,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:06:13,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:06:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:06:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:06:14,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:06:14,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2021-11-21 05:06:14,075 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2021-11-21 05:06:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:06:14,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:06:14,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:06:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:06:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:06:14,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:06:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2021-11-21 05:06:14,132 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-11-21 05:06:14,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:06:14,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:06:14,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:06:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:06:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:06:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:06:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2021-11-21 05:06:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2021-11-21 05:06:14,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 05:06:14,197 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-11-21 05:06:14,207 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-21 05:06:14,227 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-21 05:06:14,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:06:14 ImpRootNode [2021-11-21 05:06:14,238 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:06:14,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:06:14,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:06:14,241 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:06:14,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:06:13" (3/4) ... [2021-11-21 05:06:14,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 05:06:14,257 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-21 05:06:14,257 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-21 05:06:14,258 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 05:06:14,259 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 05:06:14,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:06:14,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:06:14,301 INFO L158 Benchmark]: Toolchain (without parser) took 1409.85ms. Allocated memory is still 100.7MB. Free memory was 60.3MB in the beginning and 39.8MB in the end (delta: 20.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2021-11-21 05:06:14,303 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 100.7MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:06:14,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.67ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 70.7MB in the end (delta: -10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:06:14,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.34ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 69.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:06:14,308 INFO L158 Benchmark]: Boogie Preprocessor took 17.23ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 68.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:06:14,309 INFO L158 Benchmark]: RCFGBuilder took 323.14ms. Allocated memory is still 100.7MB. Free memory was 68.0MB in the beginning and 59.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:06:14,310 INFO L158 Benchmark]: CodeCheck took 585.90ms. Allocated memory is still 100.7MB. Free memory was 59.3MB in the beginning and 42.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-21 05:06:14,310 INFO L158 Benchmark]: Witness Printer took 59.70ms. Allocated memory is still 100.7MB. Free memory was 42.0MB in the beginning and 39.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:06:14,318 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, 10 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 0 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 75 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 32767 <= a * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 100.7MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.67ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 70.7MB in the end (delta: -10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.34ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 69.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.23ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 68.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.14ms. Allocated memory is still 100.7MB. Free memory was 68.0MB in the beginning and 59.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 585.90ms. Allocated memory is still 100.7MB. Free memory was 59.3MB in the beginning and 42.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 59.70ms. Allocated memory is still 100.7MB. Free memory was 42.0MB in the beginning and 39.8MB 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 05:06:14,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868350a4-64bf-464f-8d2d-46dd7a51e3c2/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