./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o1000.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o1000.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak --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 32bit --witnessprinter.graph.data.programhash a9fa5bc67e4181c4863e6cadfae98bf2af11a2cf ........................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:38:31,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:38:31,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:38:31,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:38:31,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:38:31,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:38:31,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:38:31,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:38:31,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:38:31,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:38:31,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:38:31,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:38:31,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:38:31,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:38:31,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:38:31,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:38:31,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:38:31,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:38:31,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:38:31,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:38:31,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:38:31,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:38:31,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:38:31,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:38:31,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:38:31,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:38:31,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:38:31,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:38:31,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:38:31,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:38:31,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:38:31,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:38:31,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:38:31,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:38:31,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:38:31,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:38:31,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:38:31,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:38:31,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:38:31,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:38:31,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:38:31,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-11-29 18:38:31,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:38:31,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:38:31,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 18:38:31,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 18:38:31,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:38:31,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:38:31,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:38:31,506 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:38:31,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:38:31,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:38:31,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:38:31,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:38:31,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:38:31,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:38:31,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:38:31,509 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 18:38:31,509 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:38:31,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:38:31,510 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:38:31,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:38:31,511 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 18:38:31,512 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 18:38:31,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:38:31,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:38:31,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 18:38:31,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:38:31,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:38:31,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:38:31,514 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 18:38:31,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:38:31,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:38:31,514 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_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9fa5bc67e4181c4863e6cadfae98bf2af11a2cf [2020-11-29 18:38:31,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:38:31,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:38:31,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:38:31,854 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:38:31,855 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:38:31,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak/../../sv-benchmarks/c/recursive-simple/id_o1000.c [2020-11-29 18:38:31,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak/data/1b28e37ec/b4cfeb0716154609961e3ca79f222c06/FLAGc6cc77a53 [2020-11-29 18:38:32,431 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:38:32,432 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/sv-benchmarks/c/recursive-simple/id_o1000.c [2020-11-29 18:38:32,446 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak/data/1b28e37ec/b4cfeb0716154609961e3ca79f222c06/FLAGc6cc77a53 [2020-11-29 18:38:32,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak/data/1b28e37ec/b4cfeb0716154609961e3ca79f222c06 [2020-11-29 18:38:32,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:38:32,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:38:32,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:38:32,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:38:32,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:38:32,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:38:32" (1/1) ... [2020-11-29 18:38:32,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607724e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:32, skipping insertion in model container [2020-11-29 18:38:32,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:38:32" (1/1) ... [2020-11-29 18:38:32,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:38:32,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:38:33,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:38:33,046 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:38:33,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:38:33,100 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:38:33,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:33 WrapperNode [2020-11-29 18:38:33,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:38:33,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:38:33,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:38:33,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:38:33,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:33" (1/1) ... [2020-11-29 18:38:33,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:33" (1/1) ... [2020-11-29 18:38:33,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:38:33,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:38:33,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:38:33,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:38:33,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:33" (1/1) ... [2020-11-29 18:38:33,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:33" (1/1) ... [2020-11-29 18:38:33,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:33" (1/1) ... [2020-11-29 18:38:33,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:33" (1/1) ... [2020-11-29 18:38:33,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:33" (1/1) ... [2020-11-29 18:38:33,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:33" (1/1) ... [2020-11-29 18:38:33,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:33" (1/1) ... [2020-11-29 18:38:33,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:38:33,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:38:33,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:38:33,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:38:33,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/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 [2020-11-29 18:38:33,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:38:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:38:33,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:38:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-11-29 18:38:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-11-29 18:38:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:38:33,527 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:38:33,527 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-29 18:38:33,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:38:33 BoogieIcfgContainer [2020-11-29 18:38:33,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:38:33,530 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 18:38:33,531 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 18:38:33,543 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 18:38:33,544 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:38:33" (1/1) ... [2020-11-29 18:38:33,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:38:33,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:38:33,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2020-11-29 18:38:33,603 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2020-11-29 18:38:33,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:38:33,619 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2020-11-29 18:38:33,624 INFO L765 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2020-11-29 18:38:33,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 06:38:33 ImpRootNode [2020-11-29 18:38:33,684 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 18:38:33,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:38:33,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:38:33,686 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:38:33,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:38:33" (3/4) ... [2020-11-29 18:38:33,702 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:38:33,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2020-11-29 18:38:33,714 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-11-29 18:38:33,714 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:38:33,715 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 18:38:33,715 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:38:33,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2f0e2db3-0683-4bf4-86ec-69aeaa268e6f/bin/ukojak/witness.graphml [2020-11-29 18:38:33,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:38:33,763 INFO L168 Benchmark]: Toolchain (without parser) took 930.51 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 92.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:38:33,764 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 140.5 MB. Free memory was 114.2 MB in the beginning and 114.1 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:38:33,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.70 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 116.4 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:38:33,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.79 ms. Allocated memory is still 140.5 MB. Free memory was 116.4 MB in the beginning and 115.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:38:33,766 INFO L168 Benchmark]: Boogie Preprocessor took 19.67 ms. Allocated memory is still 140.5 MB. Free memory was 115.0 MB in the beginning and 114.3 MB in the end (delta: 759.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:38:33,767 INFO L168 Benchmark]: RCFGBuilder took 367.50 ms. Allocated memory is still 140.5 MB. Free memory was 114.3 MB in the beginning and 100.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:38:33,768 INFO L168 Benchmark]: CodeCheck took 153.90 ms. Allocated memory is still 140.5 MB. Free memory was 100.3 MB in the beginning and 95.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:38:33,769 INFO L168 Benchmark]: Witness Printer took 75.04 ms. Allocated memory is still 140.5 MB. Free memory was 95.4 MB in the beginning and 92.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:38:33,774 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 2 procedures, 10 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 140.5 MB. Free memory was 114.2 MB in the beginning and 114.1 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 265.70 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 116.4 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.79 ms. Allocated memory is still 140.5 MB. Free memory was 116.4 MB in the beginning and 115.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.67 ms. Allocated memory is still 140.5 MB. Free memory was 115.0 MB in the beginning and 114.3 MB in the end (delta: 759.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 367.50 ms. Allocated memory is still 140.5 MB. Free memory was 114.3 MB in the beginning and 100.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 153.90 ms. Allocated memory is still 140.5 MB. Free memory was 100.3 MB in the beginning and 95.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 75.04 ms. Allocated memory is still 140.5 MB. Free memory was 95.4 MB in the beginning and 92.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...