./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.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_819eedf2-83ce-47ff-b77e-ebad3347b631/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/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 aea35f6fe28f2a249b678370b7d0543ee4b994af .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:13:48,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:13:48,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:13:48,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:13:48,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:13:48,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:13:48,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:13:48,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:13:48,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:13:48,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:13:48,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:13:48,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:13:48,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:13:48,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:13:48,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:13:48,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:13:48,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:13:48,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:13:48,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:13:48,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:13:48,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:13:48,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:13:48,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:13:48,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:13:48,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:13:48,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:13:48,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:13:48,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:13:48,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:13:48,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:13:48,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:13:48,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:13:48,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:13:48,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:13:48,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:13:48,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:13:48,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:13:48,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:13:48,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:13:48,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:13:48,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:13:48,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-11-30 01:13:48,237 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:13:48,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:13:48,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:13:48,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:13:48,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:13:48,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:13:48,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:13:48,249 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:13:48,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:13:48,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:13:48,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:13:48,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:13:48,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:13:48,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:13:48,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:13:48,252 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 01:13:48,252 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:13:48,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:13:48,253 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:13:48,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:13:48,254 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:13:48,254 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:13:48,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:13:48,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:13:48,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:13:48,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:13:48,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:13:48,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:13:48,257 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:13:48,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:13:48,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:13:48,258 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_819eedf2-83ce-47ff-b77e-ebad3347b631/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aea35f6fe28f2a249b678370b7d0543ee4b994af [2020-11-30 01:13:48,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:13:48,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:13:48,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:13:48,614 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:13:48,615 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:13:48,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/bin/ukojak/../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2020-11-30 01:13:48,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/bin/ukojak/data/674c00928/37f4de6ab1e641b28dd7663d1cb7180a/FLAG7d07df70f [2020-11-30 01:13:49,312 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:13:49,313 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2020-11-30 01:13:49,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/bin/ukojak/data/674c00928/37f4de6ab1e641b28dd7663d1cb7180a/FLAG7d07df70f [2020-11-30 01:13:49,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/bin/ukojak/data/674c00928/37f4de6ab1e641b28dd7663d1cb7180a [2020-11-30 01:13:49,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:13:49,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:13:49,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:13:49,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:13:49,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:13:49,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:13:49" (1/1) ... [2020-11-30 01:13:49,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6ea2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:49, skipping insertion in model container [2020-11-30 01:13:49,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:13:49" (1/1) ... [2020-11-30 01:13:49,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:13:49,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:13:49,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:13:49,988 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:13:50,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:13:50,045 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:13:50,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:50 WrapperNode [2020-11-30 01:13:50,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:13:50,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:13:50,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:13:50,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:13:50,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:50" (1/1) ... [2020-11-30 01:13:50,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:50" (1/1) ... [2020-11-30 01:13:50,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:13:50,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:13:50,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:13:50,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:13:50,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:50" (1/1) ... [2020-11-30 01:13:50,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:50" (1/1) ... [2020-11-30 01:13:50,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:50" (1/1) ... [2020-11-30 01:13:50,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:50" (1/1) ... [2020-11-30 01:13:50,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:50" (1/1) ... [2020-11-30 01:13:50,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:50" (1/1) ... [2020-11-30 01:13:50,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:50" (1/1) ... [2020-11-30 01:13:50,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:13:50,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:13:50,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:13:50,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:13:50,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/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 [2020-11-30 01:13:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:13:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:13:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2020-11-30 01:13:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2020-11-30 01:13:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:13:50,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:13:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-11-30 01:13:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-11-30 01:13:50,792 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:13:50,793 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 01:13:50,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:13:50 BoogieIcfgContainer [2020-11-30 01:13:50,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:13:50,796 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:13:50,797 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:13:50,809 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:13:50,809 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:13:50" (1/1) ... [2020-11-30 01:13:50,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:13:50,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2020-11-30 01:13:50,873 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2020-11-30 01:13:50,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:13:50,881 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2020-11-30 01:13:50,888 INFO L765 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2020-11-30 01:13:50,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:13:50 ImpRootNode [2020-11-30 01:13:50,949 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:13:50,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:13:50,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:13:50,951 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:13:50,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:13:50" (3/4) ... [2020-11-30 01:13:50,956 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:13:50,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2020-11-30 01:13:50,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2020-11-30 01:13:50,976 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-11-30 01:13:50,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:13:50,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:13:50,978 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:13:51,079 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_819eedf2-83ce-47ff-b77e-ebad3347b631/bin/ukojak/witness.graphml [2020-11-30 01:13:51,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:13:51,083 INFO L168 Benchmark]: Toolchain (without parser) took 1399.23 ms. Allocated memory is still 86.0 MB. Free memory was 54.0 MB in the beginning and 37.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:51,084 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory was 60.0 MB in the beginning and 60.0 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:13:51,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.04 ms. Allocated memory is still 86.0 MB. Free memory was 53.8 MB in the beginning and 64.5 MB in the end (delta: -10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:51,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.44 ms. Allocated memory is still 86.0 MB. Free memory was 64.5 MB in the beginning and 63.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:13:51,086 INFO L168 Benchmark]: Boogie Preprocessor took 41.24 ms. Allocated memory is still 86.0 MB. Free memory was 63.3 MB in the beginning and 62.4 MB in the end (delta: 900.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:51,088 INFO L168 Benchmark]: RCFGBuilder took 656.97 ms. Allocated memory is still 86.0 MB. Free memory was 62.4 MB in the beginning and 46.0 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:51,089 INFO L168 Benchmark]: CodeCheck took 152.77 ms. Allocated memory is still 86.0 MB. Free memory was 46.0 MB in the beginning and 39.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:51,089 INFO L168 Benchmark]: Witness Printer took 129.61 ms. Allocated memory is still 86.0 MB. Free memory was 39.7 MB in the beginning and 37.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:51,100 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 3 procedures, 16 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 0.34 ms. Allocated memory is still 86.0 MB. Free memory was 60.0 MB in the beginning and 60.0 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 362.04 ms. Allocated memory is still 86.0 MB. Free memory was 53.8 MB in the beginning and 64.5 MB in the end (delta: -10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.44 ms. Allocated memory is still 86.0 MB. Free memory was 64.5 MB in the beginning and 63.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.24 ms. Allocated memory is still 86.0 MB. Free memory was 63.3 MB in the beginning and 62.4 MB in the end (delta: 900.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 656.97 ms. Allocated memory is still 86.0 MB. Free memory was 62.4 MB in the beginning and 46.0 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 152.77 ms. Allocated memory is still 86.0 MB. Free memory was 46.0 MB in the beginning and 39.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 129.61 ms. Allocated memory is still 86.0 MB. Free memory was 39.7 MB in the beginning and 37.3 MB in the end (delta: 2.5 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...