./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.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_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/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_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/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_b30e9969-46cf-4014-82fc-700f2efb43fe/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 90ba47dd9cc05f9f1bc3df6917b373a2235dcd7191e371f61cc515a67ed70edd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:19:45,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:19:45,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:19:45,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:19:45,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:19:45,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:19:45,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:19:45,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:19:45,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:19:45,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:19:45,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:19:45,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:19:45,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:19:45,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:19:45,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:19:45,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:19:45,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:19:45,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:19:45,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:19:45,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:19:45,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:19:45,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:19:45,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:19:45,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:19:45,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:19:45,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:19:45,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:19:45,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:19:45,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:19:45,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:19:45,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:19:45,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:19:45,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:19:45,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:19:45,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:19:45,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:19:45,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:19:45,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:19:45,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:19:45,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:19:45,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:19:45,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 05:19:45,855 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:19:45,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:19:45,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:19:45,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:19:45,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:19:45,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:19:45,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:19:45,865 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:19:45,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:19:45,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:19:45,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:19:45,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:19:45,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:19:45,868 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:19:45,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:19:45,868 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:19:45,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:19:45,868 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:19:45,869 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:19:45,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:19:45,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:19:45,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:19:45,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:19:45,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:19:45,870 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:19:45,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:19:45,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:19:45,871 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_b30e9969-46cf-4014-82fc-700f2efb43fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90ba47dd9cc05f9f1bc3df6917b373a2235dcd7191e371f61cc515a67ed70edd [2021-11-21 05:19:46,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:19:46,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:19:46,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:19:46,237 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:19:46,241 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:19:46,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.c [2021-11-21 05:19:46,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/data/b3fe2bbf6/170be3d496f34c0a97adba925a5dbea8/FLAGe3ccfa639 [2021-11-21 05:19:46,722 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:19:46,723 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.c [2021-11-21 05:19:46,728 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/data/b3fe2bbf6/170be3d496f34c0a97adba925a5dbea8/FLAGe3ccfa639 [2021-11-21 05:19:47,131 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/data/b3fe2bbf6/170be3d496f34c0a97adba925a5dbea8 [2021-11-21 05:19:47,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:19:47,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:19:47,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:19:47,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:19:47,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:19:47,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320063e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:47, skipping insertion in model container [2021-11-21 05:19:47,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:19:47,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:19:47,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:19:47,306 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:19:47,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:19:47,354 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:19:47,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:47 WrapperNode [2021-11-21 05:19:47,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:19:47,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:19:47,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:19:47,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:19:47,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,392 INFO L137 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2021-11-21 05:19:47,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:19:47,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:19:47,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:19:47,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:19:47,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:19:47,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:19:47,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:19:47,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:19:47,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:19:47,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:19:47,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:19:47,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:19:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2021-11-21 05:19:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2021-11-21 05:19:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:19:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:19:47,580 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:19:47,582 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:19:47,709 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:19:47,725 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:19:47,725 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 05:19:47,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:47 BoogieIcfgContainer [2021-11-21 05:19:47,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:19:47,729 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:19:47,729 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:19:47,739 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:19:47,740 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:47" (1/1) ... [2021-11-21 05:19:47,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:19:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:47,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2021-11-21 05:19:47,848 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-11-21 05:19:47,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:19:47,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:47,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:19:47,931 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:19:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:19:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:19:47,989 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:19:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:19:48,005 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-21 05:19:48,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:19:48 ImpRootNode [2021-11-21 05:19:48,027 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:19:48,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:19:48,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:19:48,028 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:19:48,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:47" (3/4) ... [2021-11-21 05:19:48,031 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 05:19:48,062 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:19:48,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:19:48,063 INFO L158 Benchmark]: Toolchain (without parser) took 927.54ms. Allocated memory is still 115.3MB. Free memory was 77.3MB in the beginning and 68.1MB in the end (delta: 9.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-21 05:19:48,064 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 115.3MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:19:48,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.58ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 91.4MB in the end (delta: -14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:19:48,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.83ms. Allocated memory is still 115.3MB. Free memory was 91.4MB in the beginning and 90.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:19:48,066 INFO L158 Benchmark]: Boogie Preprocessor took 15.56ms. Allocated memory is still 115.3MB. Free memory was 90.0MB in the beginning and 89.2MB in the end (delta: 859.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:19:48,066 INFO L158 Benchmark]: RCFGBuilder took 318.38ms. Allocated memory is still 115.3MB. Free memory was 89.2MB in the beginning and 79.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:19:48,067 INFO L158 Benchmark]: CodeCheck took 298.37ms. Allocated memory is still 115.3MB. Free memory was 79.7MB in the beginning and 69.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:19:48,068 INFO L158 Benchmark]: Witness Printer took 34.21ms. Allocated memory is still 115.3MB. Free memory was 69.6MB in the beginning and 68.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:19:48,072 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, 29 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 14]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int m = __VERIFIER_nondet_int(); [L24] int n = __VERIFIER_nondet_int(); [L25] CALL mult(m, n) VAL [\old(m)=-2147483648, \old(n)=0] [L13] COND TRUE m < 0 VAL [\old(m)=-2147483648, \old(n)=0, m=-2147483648, n=0] [L14] -m VAL [\old(m)=-2147483648, \old(n)=0, m=-2147483648, n=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 115.3MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.58ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 91.4MB in the end (delta: -14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.83ms. Allocated memory is still 115.3MB. Free memory was 91.4MB in the beginning and 90.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.56ms. Allocated memory is still 115.3MB. Free memory was 90.0MB in the beginning and 89.2MB in the end (delta: 859.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.38ms. Allocated memory is still 115.3MB. Free memory was 89.2MB in the beginning and 79.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 298.37ms. Allocated memory is still 115.3MB. Free memory was 79.7MB in the beginning and 69.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 34.21ms. Allocated memory is still 115.3MB. Free memory was 69.6MB in the beginning and 68.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-21 05:19:48,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b30e9969-46cf-4014-82fc-700f2efb43fe/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)