./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/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_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/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_84b27c20-880f-4bc8-b111-b9d83f5ac719/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 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:46:56,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:46:56,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:46:56,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:46:56,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:46:56,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:46:56,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:46:56,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:46:56,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:46:56,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:46:56,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:46:56,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:46:56,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:46:56,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:46:56,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:46:56,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:46:56,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:46:56,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:46:56,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:46:56,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:46:56,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:46:56,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:46:56,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:46:56,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:46:56,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:46:56,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:46:56,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:46:56,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:46:56,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:46:56,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:46:56,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:46:56,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:46:56,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:46:56,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:46:56,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:46:56,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:46:56,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:46:56,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:46:56,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:46:56,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:46:56,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:46:56,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 05:46:56,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:46:56,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:46:56,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:46:56,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:46:56,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:46:56,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:46:56,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:46:56,391 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:46:56,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:46:56,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:46:56,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:46:56,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:46:56,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:46:56,393 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:46:56,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:46:56,393 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:46:56,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:46:56,393 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:46:56,394 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:46:56,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:46:56,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:46:56,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:46:56,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:46:56,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:46:56,395 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:46:56,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:46:56,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:46:56,396 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_84b27c20-880f-4bc8-b111-b9d83f5ac719/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 [2021-11-21 05:46:56,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:46:56,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:46:56,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:46:56,790 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:46:56,791 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:46:56,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2021-11-21 05:46:56,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/data/fc860a476/42fe0fdc0ec34b3398670e59a7bbaf12/FLAG31084dc4b [2021-11-21 05:46:57,364 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:46:57,365 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2021-11-21 05:46:57,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/data/fc860a476/42fe0fdc0ec34b3398670e59a7bbaf12/FLAG31084dc4b [2021-11-21 05:46:57,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/data/fc860a476/42fe0fdc0ec34b3398670e59a7bbaf12 [2021-11-21 05:46:57,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:46:57,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:46:57,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:46:57,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:46:57,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:46:57,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:46:57" (1/1) ... [2021-11-21 05:46:57,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fbd182e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:46:57, skipping insertion in model container [2021-11-21 05:46:57,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:46:57" (1/1) ... [2021-11-21 05:46:57,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:46:57,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:46:57,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:46:57,969 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:46:57,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:46:57,993 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:46:57,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:46:57 WrapperNode [2021-11-21 05:46:57,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:46:57,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:46:57,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:46:57,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:46:58,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:46:57" (1/1) ... [2021-11-21 05:46:58,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:46:57" (1/1) ... [2021-11-21 05:46:58,024 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2021-11-21 05:46:58,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:46:58,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:46:58,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:46:58,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:46:58,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:46:57" (1/1) ... [2021-11-21 05:46:58,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:46:57" (1/1) ... [2021-11-21 05:46:58,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:46:57" (1/1) ... [2021-11-21 05:46:58,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:46:57" (1/1) ... [2021-11-21 05:46:58,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:46:57" (1/1) ... [2021-11-21 05:46:58,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:46:57" (1/1) ... [2021-11-21 05:46:58,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:46:57" (1/1) ... [2021-11-21 05:46:58,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:46:58,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:46:58,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:46:58,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:46:58,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:46:57" (1/1) ... [2021-11-21 05:46:58,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:46:58,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:46:58,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:46:58,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:46:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:46:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:46:58,200 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:46:58,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:46:58,293 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:46:58,312 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:46:58,313 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 05:46:58,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:46:58 BoogieIcfgContainer [2021-11-21 05:46:58,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:46:58,319 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:46:58,319 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:46:58,331 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:46:58,331 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:46:58" (1/1) ... [2021-11-21 05:46:58,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:46:58,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:58,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2021-11-21 05:46:58,434 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2021-11-21 05:46:58,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 05:46:58,437 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2021-11-21 05:46:58,447 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2021-11-21 05:46:58,461 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:46:58,465 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:46:58,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:46:58 ImpRootNode [2021-11-21 05:46:58,466 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:46:58,467 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:46:58,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:46:58,468 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:46:58,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:46:58" (3/4) ... [2021-11-21 05:46:58,472 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 05:46:58,483 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-21 05:46:58,484 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 05:46:58,484 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 05:46:58,521 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:46:58,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:46:58,524 INFO L158 Benchmark]: Toolchain (without parser) took 757.98ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 45.9MB in the beginning and 72.7MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:46:58,529 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:46:58,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.42ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 45.7MB in the beginning and 90.4MB in the end (delta: -44.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:46:58,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.73ms. Allocated memory is still 113.2MB. Free memory was 90.4MB in the beginning and 89.4MB in the end (delta: 975.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:46:58,532 INFO L158 Benchmark]: Boogie Preprocessor took 18.28ms. Allocated memory is still 113.2MB. Free memory was 89.4MB in the beginning and 88.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:46:58,532 INFO L158 Benchmark]: RCFGBuilder took 271.49ms. Allocated memory is still 113.2MB. Free memory was 88.3MB in the beginning and 79.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:46:58,533 INFO L158 Benchmark]: CodeCheck took 147.11ms. Allocated memory is still 113.2MB. Free memory was 79.9MB in the beginning and 74.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 05:46:58,536 INFO L158 Benchmark]: Witness Printer took 54.35ms. Allocated memory is still 113.2MB. Free memory was 74.8MB in the beginning and 72.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:46:58,544 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, 5 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.42ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 45.7MB in the beginning and 90.4MB in the end (delta: -44.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.73ms. Allocated memory is still 113.2MB. Free memory was 90.4MB in the beginning and 89.4MB in the end (delta: 975.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.28ms. Allocated memory is still 113.2MB. Free memory was 89.4MB in the beginning and 88.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 271.49ms. Allocated memory is still 113.2MB. Free memory was 88.3MB in the beginning and 79.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 147.11ms. Allocated memory is still 113.2MB. Free memory was 79.9MB in the beginning and 74.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 54.35ms. Allocated memory is still 113.2MB. Free memory was 74.8MB in the beginning and 72.7MB 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 05:46:58,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b27c20-880f-4bc8-b111-b9d83f5ac719/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE