./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI --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 ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:19:53,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:19:53,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:19:53,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:19:53,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:19:53,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:19:53,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:19:53,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:19:53,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:19:53,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:19:53,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:19:53,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:19:53,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:19:53,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:19:53,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:19:53,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:19:53,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:19:53,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:19:53,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:19:53,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:19:53,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:19:53,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:19:53,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:19:53,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:19:53,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:19:53,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:19:53,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:19:53,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:19:53,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:19:53,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:19:53,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:19:53,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:19:53,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:19:53,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:19:53,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:19:53,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:19:53,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:19:53,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:19:53,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:19:53,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:19:53,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:19:53,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 04:19:53,666 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:19:53,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:19:53,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:19:53,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:19:53,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:19:53,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:19:53,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:19:53,669 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:19:53,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:19:53,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:19:53,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:19:53,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:19:53,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:19:53,670 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 04:19:53,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:19:53,671 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:19:53,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:19:53,671 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:19:53,671 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:19:53,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:19:53,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:19:53,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:19:53,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:19:53,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:19:53,673 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:19:53,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:19:53,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:19:53,673 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_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90ba47dd9cc05f9f1bc3df6917b373a2235dcd7191e371f61cc515a67ed70edd [2021-10-29 04:19:53,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:19:53,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:19:53,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:19:53,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:19:53,968 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:19:53,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.c [2021-10-29 04:19:54,044 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/data/ef7eeabce/869b5046bd06484ba6756d0241a405cb/FLAG4cca00cf8 [2021-10-29 04:19:54,530 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:19:54,531 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.c [2021-10-29 04:19:54,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/data/ef7eeabce/869b5046bd06484ba6756d0241a405cb/FLAG4cca00cf8 [2021-10-29 04:19:54,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/data/ef7eeabce/869b5046bd06484ba6756d0241a405cb [2021-10-29 04:19:54,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:19:54,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:19:54,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:19:54,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:19:54,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:19:54,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:19:54" (1/1) ... [2021-10-29 04:19:54,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a3d5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:54, skipping insertion in model container [2021-10-29 04:19:54,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:19:54" (1/1) ... [2021-10-29 04:19:54,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:19:54,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:19:55,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:19:55,119 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:19:55,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:19:55,145 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:19:55,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:55 WrapperNode [2021-10-29 04:19:55,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:19:55,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:19:55,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:19:55,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:19:55,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:55" (1/1) ... [2021-10-29 04:19:55,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:55" (1/1) ... [2021-10-29 04:19:55,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:19:55,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:19:55,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:19:55,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:19:55,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:55" (1/1) ... [2021-10-29 04:19:55,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:55" (1/1) ... [2021-10-29 04:19:55,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:55" (1/1) ... [2021-10-29 04:19:55,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:55" (1/1) ... [2021-10-29 04:19:55,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:55" (1/1) ... [2021-10-29 04:19:55,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:55" (1/1) ... [2021-10-29 04:19:55,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:55" (1/1) ... [2021-10-29 04:19:55,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:19:55,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:19:55,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:19:55,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:19:55,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:55" (1/1) ... [2021-10-29 04:19:55,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:19:55,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:19:55,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:19:55,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:19:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2021-10-29 04:19:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2021-10-29 04:19:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:19:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:19:55,535 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:19:55,536 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 04:19:55,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:19:55 BoogieIcfgContainer [2021-10-29 04:19:55,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:19:55,553 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:19:55,553 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:19:55,564 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:19:55,565 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:19:55" (1/1) ... [2021-10-29 04:19:55,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:19:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:19:55,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2021-10-29 04:19:55,613 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-10-29 04:19:55,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:19:55,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:19:55,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:19:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:19:55,709 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:19:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:19:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:19:55,767 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:19:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:19:55,788 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-10-29 04:19:55,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:19:55 ImpRootNode [2021-10-29 04:19:55,810 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:19:55,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:19:55,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:19:55,815 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:19:55,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:19:55" (3/4) ... [2021-10-29 04:19:55,817 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:19:55,863 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:19:55,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:19:55,869 INFO L168 Benchmark]: Toolchain (without parser) took 968.47 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 60.0 MB in the beginning and 73.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:55,870 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 63.9 MB in the beginning and 63.9 MB in the end (delta: 21.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:19:55,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.88 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 59.7 MB in the beginning and 96.2 MB in the end (delta: -36.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:55,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.86 ms. Allocated memory is still 119.5 MB. Free memory was 96.2 MB in the beginning and 94.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:19:55,877 INFO L168 Benchmark]: Boogie Preprocessor took 19.08 ms. Allocated memory is still 119.5 MB. Free memory was 94.8 MB in the beginning and 94.1 MB in the end (delta: 713.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:55,878 INFO L168 Benchmark]: RCFGBuilder took 349.63 ms. Allocated memory is still 119.5 MB. Free memory was 94.1 MB in the beginning and 84.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:55,879 INFO L168 Benchmark]: CodeCheck took 257.69 ms. Allocated memory is still 119.5 MB. Free memory was 84.3 MB in the beginning and 75.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:55,880 INFO L168 Benchmark]: Witness Printer took 50.19 ms. Allocated memory is still 119.5 MB. Free memory was 75.2 MB in the beginning and 73.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:19:55,894 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: 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, 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 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 63.9 MB in the beginning and 63.9 MB in the end (delta: 21.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 246.88 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 59.7 MB in the beginning and 96.2 MB in the end (delta: -36.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.86 ms. Allocated memory is still 119.5 MB. Free memory was 96.2 MB in the beginning and 94.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.08 ms. Allocated memory is still 119.5 MB. Free memory was 94.8 MB in the beginning and 94.1 MB in the end (delta: 713.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 349.63 ms. Allocated memory is still 119.5 MB. Free memory was 94.1 MB in the beginning and 84.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 257.69 ms. Allocated memory is still 119.5 MB. Free memory was 84.3 MB in the beginning and 75.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 50.19 ms. Allocated memory is still 119.5 MB. Free memory was 75.2 MB in the beginning and 73.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:19:55,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6bcc2f-0c63-4ae5-8b13-55c5b491b0d3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...