./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.14.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/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_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/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_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/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 b0bbc3acecaa791dd53bbaa4d2825502155fb802997ecb3651df900910512ee0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:37:54,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:37:54,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:37:54,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:37:54,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:37:54,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:37:54,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:37:54,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:37:54,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:37:54,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:37:54,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:37:54,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:37:54,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:37:54,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:37:54,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:37:54,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:37:54,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:37:54,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:37:54,521 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:37:54,521 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:37:54,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:37:54,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:37:54,523 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:37:54,523 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:37:54,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:37:54,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:37:54,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:54,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:37:54,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:37:54,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:37:54,526 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:37:54,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:37:54,527 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_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0bbc3acecaa791dd53bbaa4d2825502155fb802997ecb3651df900910512ee0 [2024-11-08 23:37:54,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:37:54,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:37:54,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:37:54,869 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:37:54,870 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:37:54,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.14.c Unable to find full path for "g++" [2024-11-08 23:37:56,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:37:57,102 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:37:57,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.14.c [2024-11-08 23:37:57,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/bin/ukojak-verify-ImItNfHLgk/data/d6e2d7981/a0fe48b953fa4516be8e3f9d5c72b97a/FLAG0f36e9559 [2024-11-08 23:37:57,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/bin/ukojak-verify-ImItNfHLgk/data/d6e2d7981/a0fe48b953fa4516be8e3f9d5c72b97a [2024-11-08 23:37:57,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:37:57,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:37:57,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:57,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:37:57,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:37:57,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80f35fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57, skipping insertion in model container [2024-11-08 23:37:57,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:37:57,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:57,376 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:37:57,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:57,406 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:37:57,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57 WrapperNode [2024-11-08 23:37:57,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:57,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:57,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:37:57,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:37:57,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,435 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-08 23:37:57,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:57,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:37:57,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:37:57,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:37:57,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:37:57,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:37:57,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:37:57,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:37:57,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:57,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:37:57,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:37:57,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:37:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:37:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:37:57,624 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:37:57,629 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:37:57,757 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 23:37:57,757 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:37:57,790 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:37:57,791 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:37:57,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:57 BoogieIcfgContainer [2024-11-08 23:37:57,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:37:57,793 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:37:57,794 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:37:57,806 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:37:57,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:37:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-11-08 23:37:57,886 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-08 23:37:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:37:57,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:57,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:58,039 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 23:37:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-08 23:37:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-08 23:37:58,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:37:58,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:58,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:58,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:37:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:58,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:37:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:58,153 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:37:58,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:37:58 ImpRootNode [2024-11-08 23:37:58,193 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:37:58,194 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:37:58,194 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:37:58,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:37:58,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:57" (3/4) ... [2024-11-08 23:37:58,197 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:37:58,258 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:37:58,259 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:37:58,261 INFO L158 Benchmark]: Toolchain (without parser) took 1131.21ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 60.3MB in the beginning and 120.0MB in the end (delta: -59.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:58,263 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:58,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.00ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 60.2MB in the beginning and 116.5MB in the end (delta: -56.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-11-08 23:37:58,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.89ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 115.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:37:58,265 INFO L158 Benchmark]: Boogie Preprocessor took 25.52ms. Allocated memory is still 153.1MB. Free memory was 115.3MB in the beginning and 114.5MB in the end (delta: 825.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:58,266 INFO L158 Benchmark]: RCFGBuilder took 330.18ms. Allocated memory is still 153.1MB. Free memory was 114.5MB in the beginning and 103.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:37:58,268 INFO L158 Benchmark]: CodeCheck took 400.32ms. Allocated memory is still 153.1MB. Free memory was 103.5MB in the beginning and 122.0MB in the end (delta: -18.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-08 23:37:58,269 INFO L158 Benchmark]: Witness Printer took 65.52ms. Allocated memory is still 153.1MB. Free memory was 122.0MB in the beginning and 120.0MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:37:58,272 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 1 procedures, 17 locations, 6 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, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 23 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] COND FALSE !(x > 0 && y > 0) VAL [x=1, y=214748365] [L26] COND TRUE x > 0 && y > 0 VAL [x=1, y=214748365] [L27] 10*y VAL [x=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.00ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 60.2MB in the beginning and 116.5MB in the end (delta: -56.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.89ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 115.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.52ms. Allocated memory is still 153.1MB. Free memory was 115.3MB in the beginning and 114.5MB in the end (delta: 825.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.18ms. Allocated memory is still 153.1MB. Free memory was 114.5MB in the beginning and 103.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 400.32ms. Allocated memory is still 153.1MB. Free memory was 103.5MB in the beginning and 122.0MB in the end (delta: -18.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Witness Printer took 65.52ms. Allocated memory is still 153.1MB. Free memory was 122.0MB in the beginning and 120.0MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:37:58,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5676f1-84b9-4a1c-b9cf-e540557d53b6/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)