./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 0.2.5-dev-a016563 [2024-11-08 19:26:12,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:26:12,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:26:12,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:26:12,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:26:12,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:26:12,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:26:12,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:26:12,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:26:12,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:26:12,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:26:12,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:26:12,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:26:12,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:26:12,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:26:12,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:26:12,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:26:12,815 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:26:12,815 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:26:12,815 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:26:12,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:26:12,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:26:12,816 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:26:12,817 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:26:12,817 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:26:12,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:26:12,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:26:12,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:26:12,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:26:12,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:26:12,819 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:26:12,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:26:12,820 INFO L153 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_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90ba47dd9cc05f9f1bc3df6917b373a2235dcd7191e371f61cc515a67ed70edd [2024-11-08 19:26:13,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:26:13,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:26:13,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:26:13,138 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:26:13,139 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:26:13,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.c Unable to find full path for "g++" [2024-11-08 19:26:15,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:26:15,204 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:26:15,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/sv-benchmarks/c/termination-crafted/RecursiveMultiplication-2.c [2024-11-08 19:26:15,210 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/data/56b82e94b/ca59d1f2b9044216b68cd4ca3d664a8a/FLAG244d05a9b [2024-11-08 19:26:15,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/data/56b82e94b/ca59d1f2b9044216b68cd4ca3d664a8a [2024-11-08 19:26:15,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:26:15,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:26:15,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:26:15,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:26:15,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:26:15,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58aba571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15, skipping insertion in model container [2024-11-08 19:26:15,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:26:15,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:26:15,846 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:26:15,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:26:15,875 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:26:15,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15 WrapperNode [2024-11-08 19:26:15,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:26:15,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:26:15,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:26:15,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:26:15,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,910 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-11-08 19:26:15,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:26:15,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:26:15,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:26:15,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:26:15,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:26:15,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:26:15,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:26:15,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:26:15,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:15" (1/1) ... [2024-11-08 19:26:15,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:26:15,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:26:15,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:26:16,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:26:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2024-11-08 19:26:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2024-11-08 19:26:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:26:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:26:16,157 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:26:16,160 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:26:16,336 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-08 19:26:16,336 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:26:16,367 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:26:16,368 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:26:16,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:26:16 BoogieIcfgContainer [2024-11-08 19:26:16,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:26:16,372 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:26:16,373 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:26:16,383 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:26:16,383 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:26:16" (1/1) ... [2024-11-08 19:26:16,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:26:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:16,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2024-11-08 19:26:16,462 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-11-08 19:26:16,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:26:16,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:16,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:16,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2024-11-08 19:26:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-08 19:26:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:26:16,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:16,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:26:16,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:26:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:26:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:26:16,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:26:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:26:16,742 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 19:26:16,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:26:16 ImpRootNode [2024-11-08 19:26:16,766 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:26:16,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:26:16,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:26:16,768 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:26:16,768 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:26:16" (3/4) ... [2024-11-08 19:26:16,770 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:26:16,805 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:26:16,805 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:26:16,806 INFO L158 Benchmark]: Toolchain (without parser) took 1200.61ms. Allocated memory was 125.8MB in the beginning and 172.0MB in the end (delta: 46.1MB). Free memory was 61.9MB in the beginning and 115.3MB in the end (delta: -53.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:26:16,806 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:26:16,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.54ms. Allocated memory is still 172.0MB. Free memory was 144.8MB in the beginning and 136.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-08 19:26:16,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.79ms. Allocated memory is still 172.0MB. Free memory was 136.7MB in the beginning and 135.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:26:16,808 INFO L158 Benchmark]: Boogie Preprocessor took 25.41ms. Allocated memory is still 172.0MB. Free memory was 135.5MB in the beginning and 134.6MB in the end (delta: 857.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:26:16,810 INFO L158 Benchmark]: RCFGBuilder took 432.68ms. Allocated memory is still 172.0MB. Free memory was 134.6MB in the beginning and 133.1MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:26:16,811 INFO L158 Benchmark]: CodeCheck took 394.05ms. Allocated memory is still 172.0MB. Free memory was 133.1MB in the beginning and 117.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:26:16,812 INFO L158 Benchmark]: Witness Printer took 37.92ms. Allocated memory is still 172.0MB. Free memory was 117.3MB in the beginning and 115.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:26:16,815 INFO L338 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: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, n=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.54ms. Allocated memory is still 172.0MB. Free memory was 144.8MB in the beginning and 136.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.79ms. Allocated memory is still 172.0MB. Free memory was 136.7MB in the beginning and 135.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.41ms. Allocated memory is still 172.0MB. Free memory was 135.5MB in the beginning and 134.6MB in the end (delta: 857.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 432.68ms. Allocated memory is still 172.0MB. Free memory was 134.6MB in the beginning and 133.1MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 394.05ms. Allocated memory is still 172.0MB. Free memory was 133.1MB in the beginning and 117.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 37.92ms. Allocated memory is still 172.0MB. Free memory was 117.3MB in the beginning and 115.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:26:16,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e012937-d866-4577-b830-26b0c587c343/bin/ukojak-verify-ImItNfHLgk/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)