./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY --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 03c07d21e8c83715935a492e9413e7409ba63fe0 ................................................................................................................................................................................................................... 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-4e77c04 [2021-10-13 04:17:36,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:17:36,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:17:36,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:17:36,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:17:36,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:17:36,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:17:36,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:17:36,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:17:36,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:17:36,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:17:36,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:17:36,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:17:36,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:17:36,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:17:36,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:17:36,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:17:36,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:17:36,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:17:36,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:17:36,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:17:36,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:17:36,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:17:36,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:17:36,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:17:36,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:17:36,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:17:36,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:17:36,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:17:36,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:17:36,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:17:36,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:17:36,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:17:36,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:17:36,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:17:36,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:17:36,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:17:36,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:17:36,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:17:36,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:17:36,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:17:36,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 04:17:36,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:17:36,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:17:36,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:17:36,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:17:36,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:17:36,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:17:36,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:17:36,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:17:36,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:17:36,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:17:36,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:17:36,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:17:36,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:17:36,645 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:17:36,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:17:36,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:17:36,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:17:36,657 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:17:36,657 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:17:36,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:17:36,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:17:36,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:17:36,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:17:36,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:17:36,660 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:17:36,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:17:36,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:17:36,661 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_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03c07d21e8c83715935a492e9413e7409ba63fe0 [2021-10-13 04:17:36,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:17:36,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:17:36,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:17:36,991 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:17:36,992 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:17:36,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.c [2021-10-13 04:17:37,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/data/21914c193/3371931fba664535a0c1fe5397e71c6a/FLAG872d6037e [2021-10-13 04:17:37,541 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:17:37,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.c [2021-10-13 04:17:37,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/data/21914c193/3371931fba664535a0c1fe5397e71c6a/FLAG872d6037e [2021-10-13 04:17:37,934 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/data/21914c193/3371931fba664535a0c1fe5397e71c6a [2021-10-13 04:17:37,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:17:37,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:17:37,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:17:37,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:17:37,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:17:37,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:17:37" (1/1) ... [2021-10-13 04:17:37,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37351431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:37, skipping insertion in model container [2021-10-13 04:17:37,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:17:37" (1/1) ... [2021-10-13 04:17:37,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:17:37,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:17:38,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:17:38,130 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:17:38,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:17:38,166 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:17:38,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:38 WrapperNode [2021-10-13 04:17:38,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:17:38,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:17:38,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:17:38,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:17:38,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:38" (1/1) ... [2021-10-13 04:17:38,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:38" (1/1) ... [2021-10-13 04:17:38,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:17:38,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:17:38,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:17:38,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:17:38,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:38" (1/1) ... [2021-10-13 04:17:38,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:38" (1/1) ... [2021-10-13 04:17:38,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:38" (1/1) ... [2021-10-13 04:17:38,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:38" (1/1) ... [2021-10-13 04:17:38,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:38" (1/1) ... [2021-10-13 04:17:38,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:38" (1/1) ... [2021-10-13 04:17:38,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:38" (1/1) ... [2021-10-13 04:17:38,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:17:38,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:17:38,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:17:38,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:17:38,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:17:38" (1/1) ... [2021-10-13 04:17:38,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:17:38,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:17:38,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:17:38,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:17:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2021-10-13 04:17:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2021-10-13 04:17:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:17:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:17:38,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:17:38,462 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 04:17:38,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:17:38 BoogieIcfgContainer [2021-10-13 04:17:38,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:17:38,466 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:17:38,466 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:17:38,478 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:17:38,478 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:17:38" (1/1) ... [2021-10-13 04:17:38,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:17:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:17:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2021-10-13 04:17:38,540 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-10-13 04:17:38,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:17:38,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:17:38,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:17:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:17:38,718 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:17:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:17:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:17:38,769 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:17:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:17:38,799 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-10-13 04:17:38,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:17:38 ImpRootNode [2021-10-13 04:17:38,820 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:17:38,821 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:17:38,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:17:38,821 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:17:38,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:17:38" (3/4) ... [2021-10-13 04:17:38,824 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 04:17:38,866 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:17:38,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:17:38,868 INFO L168 Benchmark]: Toolchain (without parser) took 929.12 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 51.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-13 04:17:38,871 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory was 66.3 MB in the beginning and 66.3 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:17:38,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.64 ms. Allocated memory is still 96.5 MB. Free memory was 61.4 MB in the beginning and 73.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:17:38,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.40 ms. Allocated memory is still 96.5 MB. Free memory was 73.8 MB in the beginning and 72.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:17:38,878 INFO L168 Benchmark]: Boogie Preprocessor took 16.43 ms. Allocated memory is still 96.5 MB. Free memory was 72.5 MB in the beginning and 71.7 MB in the end (delta: 822.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:17:38,879 INFO L168 Benchmark]: RCFGBuilder took 249.23 ms. Allocated memory is still 96.5 MB. Free memory was 71.7 MB in the beginning and 62.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:17:38,880 INFO L168 Benchmark]: CodeCheck took 354.04 ms. Allocated memory is still 96.5 MB. Free memory was 62.5 MB in the beginning and 52.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:17:38,880 INFO L168 Benchmark]: Witness Printer took 45.52 ms. Allocated memory is still 96.5 MB. Free memory was 52.8 MB in the beginning and 51.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:17:38,889 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: 300.1ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.8ms SsaConstructionTime, 9.0ms SatisfiabilityAnalysisTime, 0.0ms 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, 0.0ms 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 0.26 ms. Allocated memory is still 96.5 MB. Free memory was 66.3 MB in the beginning and 66.3 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 227.64 ms. Allocated memory is still 96.5 MB. Free memory was 61.4 MB in the beginning and 73.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.40 ms. Allocated memory is still 96.5 MB. Free memory was 73.8 MB in the beginning and 72.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.43 ms. Allocated memory is still 96.5 MB. Free memory was 72.5 MB in the beginning and 71.7 MB in the end (delta: 822.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 249.23 ms. Allocated memory is still 96.5 MB. Free memory was 71.7 MB in the beginning and 62.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 354.04 ms. Allocated memory is still 96.5 MB. Free memory was 62.5 MB in the beginning and 52.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 45.52 ms. Allocated memory is still 96.5 MB. Free memory was 52.8 MB in the beginning and 51.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 04:17:38,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_252a8ed0-084f-460f-9743-9b644e19d0d9/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...