./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8814aff330c9b42641e504ae719c2664f8e7269 .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:38:10,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:38:10,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:38:10,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:38:10,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:38:10,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:38:10,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:38:10,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:38:10,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:38:10,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:38:10,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:38:10,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:38:10,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:38:10,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:38:10,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:38:10,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:38:10,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:38:10,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:38:10,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:38:10,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:38:10,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:38:10,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:38:10,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:38:10,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:38:10,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:38:10,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:38:10,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:38:10,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:38:10,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:38:10,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:38:10,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:38:10,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:38:10,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:38:10,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:38:10,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:38:10,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:38:10,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:38:10,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:38:10,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:38:10,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:38:10,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:38:10,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:38:10,535 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:38:10,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:38:10,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:38:10,538 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:38:10,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:38:10,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:38:10,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:38:10,539 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:38:10,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:38:10,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:38:10,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:38:10,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:38:10,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:38:10,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:38:10,542 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:38:10,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:38:10,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:38:10,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:38:10,543 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:38:10,543 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:38:10,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:38:10,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:38:10,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:38:10,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:38:10,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:38:10,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:38:10,545 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:38:10,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:38:10,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:38:10,547 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-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8814aff330c9b42641e504ae719c2664f8e7269 [2020-11-28 04:38:10,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:38:10,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:38:10,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:38:10,839 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:38:10,840 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:38:10,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/../../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i [2020-11-28 04:38:10,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/data/54d1e9665/eb7dda101f9d475e86ebaeb739bc4c38/FLAGedea2bbeb [2020-11-28 04:38:11,396 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:38:11,397 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/sv-benchmarks/c/array-examples/sanfoundry_43_ground.i [2020-11-28 04:38:11,402 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/data/54d1e9665/eb7dda101f9d475e86ebaeb739bc4c38/FLAGedea2bbeb [2020-11-28 04:38:11,805 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/data/54d1e9665/eb7dda101f9d475e86ebaeb739bc4c38 [2020-11-28 04:38:11,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:38:11,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:38:11,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:11,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:38:11,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:38:11,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:11" (1/1) ... [2020-11-28 04:38:11,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63359538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:11, skipping insertion in model container [2020-11-28 04:38:11,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:11" (1/1) ... [2020-11-28 04:38:11,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:38:11,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:38:11,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:12,008 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:38:12,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:12,061 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:38:12,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:12 WrapperNode [2020-11-28 04:38:12,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:12,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:12,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:38:12,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:38:12,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:12" (1/1) ... [2020-11-28 04:38:12,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:12" (1/1) ... [2020-11-28 04:38:12,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:12,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:38:12,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:38:12,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:38:12,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:12" (1/1) ... [2020-11-28 04:38:12,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:12" (1/1) ... [2020-11-28 04:38:12,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:12" (1/1) ... [2020-11-28 04:38:12,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:12" (1/1) ... [2020-11-28 04:38:12,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:12" (1/1) ... [2020-11-28 04:38:12,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:12" (1/1) ... [2020-11-28 04:38:12,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:12" (1/1) ... [2020-11-28 04:38:12,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:38:12,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:38:12,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:38:12,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:38:12,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:38:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:38:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:38:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:38:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:38:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:38:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:38:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:38:12,578 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:38:12,579 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 04:38:12,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:12 BoogieIcfgContainer [2020-11-28 04:38:12,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:38:12,582 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:38:12,582 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:38:12,593 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:38:12,593 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:12" (1/1) ... [2020-11-28 04:38:12,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:38:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:12,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2020-11-28 04:38:12,637 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2020-11-28 04:38:12,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:38:12,641 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2020-11-28 04:38:12,646 INFO L765 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2020-11-28 04:38:12,665 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:38:12,670 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:38:12,670 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:38:12,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:38:12 ImpRootNode [2020-11-28 04:38:12,671 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:38:12,672 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:38:12,672 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:38:12,672 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:38:12,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:12" (3/4) ... [2020-11-28 04:38:12,676 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:38:12,685 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-11-28 04:38:12,686 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 04:38:12,686 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:38:12,686 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:38:12,741 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a802a247-446b-49ed-8c8e-159dde1aeb7c/bin/ukojak/witness.graphml [2020-11-28 04:38:12,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:38:12,744 INFO L168 Benchmark]: Toolchain (without parser) took 933.74 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 77.5 MB in the beginning and 102.8 MB in the end (delta: -25.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:12,745 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 104.9 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:12,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.83 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 81.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:12,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.22 ms. Allocated memory is still 104.9 MB. Free memory was 81.0 MB in the beginning and 79.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:12,747 INFO L168 Benchmark]: Boogie Preprocessor took 23.71 ms. Allocated memory is still 104.9 MB. Free memory was 79.5 MB in the beginning and 78.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:12,748 INFO L168 Benchmark]: RCFGBuilder took 445.00 ms. Allocated memory is still 104.9 MB. Free memory was 78.2 MB in the beginning and 59.1 MB in the end (delta: 19.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:12,749 INFO L168 Benchmark]: CodeCheck took 89.12 ms. Allocated memory is still 104.9 MB. Free memory was 58.9 MB in the beginning and 54.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:12,750 INFO L168 Benchmark]: Witness Printer took 70.16 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 54.4 MB in the beginning and 102.8 MB in the end (delta: -48.4 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:12,755 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. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, 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, 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: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 104.9 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 251.83 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 81.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.22 ms. Allocated memory is still 104.9 MB. Free memory was 81.0 MB in the beginning and 79.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.71 ms. Allocated memory is still 104.9 MB. Free memory was 79.5 MB in the beginning and 78.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 445.00 ms. Allocated memory is still 104.9 MB. Free memory was 78.2 MB in the beginning and 59.1 MB in the end (delta: 19.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 89.12 ms. Allocated memory is still 104.9 MB. Free memory was 58.9 MB in the beginning and 54.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 70.16 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 54.4 MB in the beginning and 102.8 MB in the end (delta: -48.4 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...