./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/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_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ --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 fcb75d9c793adce3c2c2ca6d31453358360225b1f8596bb0dddfb529afd517e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:24:25,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:24:25,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:24:25,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:24:25,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:24:25,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:24:25,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:24:25,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:24:25,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:24:25,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:24:25,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:24:25,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:24:25,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:24:25,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:24:25,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:24:25,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:24:25,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:24:25,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:24:25,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:24:25,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:24:25,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:24:25,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:24:25,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:24:25,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:24:25,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:24:25,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:24:25,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:24:25,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:24:25,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:24:25,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:24:25,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:24:25,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:24:25,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:24:25,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:24:25,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:24:25,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:24:25,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:24:25,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:24:25,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:24:25,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:24:25,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:24:25,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 01:24:25,559 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:24:25,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:24:25,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:24:25,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:24:25,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:24:25,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:24:25,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:24:25,563 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:24:25,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:24:25,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:24:25,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:24:25,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:24:25,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:24:25,573 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:24:25,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:24:25,574 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:24:25,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:24:25,575 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:24:25,575 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:24:25,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:24:25,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:24:25,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:24:25,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:24:25,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:24:25,576 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:24:25,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:24:25,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:24:25,577 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_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcb75d9c793adce3c2c2ca6d31453358360225b1f8596bb0dddfb529afd517e2 [2021-11-23 01:24:25,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:24:25,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:24:25,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:24:25,945 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:24:25,946 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:24:25,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2021-11-23 01:24:26,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/data/5dacb8914/a80569ec3c3547e4aba55eb2f4568cc9/FLAGa39921331 [2021-11-23 01:24:26,570 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:24:26,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2021-11-23 01:24:26,578 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/data/5dacb8914/a80569ec3c3547e4aba55eb2f4568cc9/FLAGa39921331 [2021-11-23 01:24:26,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/data/5dacb8914/a80569ec3c3547e4aba55eb2f4568cc9 [2021-11-23 01:24:26,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:24:26,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:24:26,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:24:26,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:24:26,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:24:26,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:24:26" (1/1) ... [2021-11-23 01:24:26,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767d548f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:26, skipping insertion in model container [2021-11-23 01:24:26,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:24:26" (1/1) ... [2021-11-23 01:24:26,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:24:26,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:24:27,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:24:27,150 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:24:27,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:24:27,180 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:24:27,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:27 WrapperNode [2021-11-23 01:24:27,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:24:27,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:24:27,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:24:27,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:24:27,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:27" (1/1) ... [2021-11-23 01:24:27,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:27" (1/1) ... [2021-11-23 01:24:27,222 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2021-11-23 01:24:27,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:24:27,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:24:27,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:24:27,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:24:27,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:27" (1/1) ... [2021-11-23 01:24:27,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:27" (1/1) ... [2021-11-23 01:24:27,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:27" (1/1) ... [2021-11-23 01:24:27,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:27" (1/1) ... [2021-11-23 01:24:27,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:27" (1/1) ... [2021-11-23 01:24:27,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:27" (1/1) ... [2021-11-23 01:24:27,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:27" (1/1) ... [2021-11-23 01:24:27,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:24:27,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:24:27,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:24:27,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:24:27,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:27" (1/1) ... [2021-11-23 01:24:27,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:24:27,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:24:27,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:24:27,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:24:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:24:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:24:27,430 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:24:27,431 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:24:27,594 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:24:27,611 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:24:27,612 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:24:27,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:27 BoogieIcfgContainer [2021-11-23 01:24:27,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:24:27,615 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:24:27,615 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:24:27,626 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:24:27,626 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:27" (1/1) ... [2021-11-23 01:24:27,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:24:27,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:27,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2021-11-23 01:24:27,691 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2021-11-23 01:24:27,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:24:27,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:27,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:27,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:27,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2021-11-23 01:24:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-11-23 01:24:27,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:24:27,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:27,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:27,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2021-11-23 01:24:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2021-11-23 01:24:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:24:27,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:27,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:28,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2021-11-23 01:24:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2021-11-23 01:24:28,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:24:28,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:28,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:28,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2021-11-23 01:24:28,238 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2021-11-23 01:24:28,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:24:28,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:28,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:28,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2021-11-23 01:24:28,341 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2021-11-23 01:24:28,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:24:28,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:28,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:28,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:28,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2021-11-23 01:24:28,568 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2021-11-23 01:24:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:24:28,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:28,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:28,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2021-11-23 01:24:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2021-11-23 01:24:28,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:24:28,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:28,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:29,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:29,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2021-11-23 01:24:29,014 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2021-11-23 01:24:29,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:24:29,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:29,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:29,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:29,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2021-11-23 01:24:29,095 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2021-11-23 01:24:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:24:29,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:29,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2021-11-23 01:24:29,577 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2021-11-23 01:24:29,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:24:29,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:29,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:29,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2021-11-23 01:24:29,806 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2021-11-23 01:24:29,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:24:29,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:29,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:29,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:24:29,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2021-11-23 01:24:29,959 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2021-11-23 01:24:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:24:29,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:29,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:24:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:30,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2021-11-23 01:24:30,145 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2021-11-23 01:24:30,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:24:30,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:30,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:30,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:30,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:30,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2021-11-23 01:24:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2021-11-23 01:24:30,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:24:30,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:30,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:30,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-11-23 01:24:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-11-23 01:24:30,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:24:30,302 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2021-11-23 01:24:30,313 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2021-11-23 01:24:30,377 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2021-11-23 01:24:30,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:24:30 ImpRootNode [2021-11-23 01:24:30,388 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:24:30,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:24:30,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:24:30,389 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:24:30,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:27" (3/4) ... [2021-11-23 01:24:30,392 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:24:30,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 01:24:30,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:24:30,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:24:30,474 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:24:30,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:24:30,475 INFO L158 Benchmark]: Toolchain (without parser) took 3525.89ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 79.5MB in the beginning and 91.3MB in the end (delta: -11.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,475 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 119.5MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:24:30,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.28ms. Allocated memory is still 119.5MB. Free memory was 79.3MB in the beginning and 95.4MB in the end (delta: -16.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.60ms. Allocated memory is still 119.5MB. Free memory was 95.4MB in the beginning and 93.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:24:30,477 INFO L158 Benchmark]: Boogie Preprocessor took 45.81ms. Allocated memory is still 119.5MB. Free memory was 93.8MB in the beginning and 92.9MB in the end (delta: 910.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,477 INFO L158 Benchmark]: RCFGBuilder took 342.06ms. Allocated memory is still 119.5MB. Free memory was 92.9MB in the beginning and 83.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,478 INFO L158 Benchmark]: CodeCheck took 2772.83ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 83.2MB in the beginning and 93.4MB in the end (delta: -10.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,478 INFO L158 Benchmark]: Witness Printer took 85.72ms. Allocated memory is still 144.7MB. Free memory was 93.4MB in the beginning and 91.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,481 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: 2.7s, OverallIterations: 16, 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, 728 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 661 mSDsluCounter, 835 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 669 mSDsCounter, 376 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1726 IncrementalHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 376 mSolverCounterUnsat, 166 mSDtfsCounter, 1726 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1222 GetRequests, 1090 SyntacticMatches, 52 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2937 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 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, 0.0s 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: (x <= 2147483647 && 0 <= x + 2147483648) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 119.5MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.28ms. Allocated memory is still 119.5MB. Free memory was 79.3MB in the beginning and 95.4MB in the end (delta: -16.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.60ms. Allocated memory is still 119.5MB. Free memory was 95.4MB in the beginning and 93.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.81ms. Allocated memory is still 119.5MB. Free memory was 93.8MB in the beginning and 92.9MB in the end (delta: 910.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.06ms. Allocated memory is still 119.5MB. Free memory was 92.9MB in the beginning and 83.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2772.83ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 83.2MB in the beginning and 93.4MB in the end (delta: -10.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Witness Printer took 85.72ms. Allocated memory is still 144.7MB. Free memory was 93.4MB in the beginning and 91.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:24:30,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3217a1e-9107-4c4e-afe6-22d59f33376d/bin/ukojak-LBtLqBUTdQ/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