./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Ex6.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_4207d430-418c-401a-ae2c-4625e73eb509/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/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_4207d430-418c-401a-ae2c-4625e73eb509/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Ex6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/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_4207d430-418c-401a-ae2c-4625e73eb509/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 f0e9d8942fb8d2fd1a25d66d454b9c32f760a64b343a4c82a5f79e697806ebb8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:08:00,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:08:00,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:08:00,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:08:00,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:08:00,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:08:00,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:08:00,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:08:00,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:08:00,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:08:00,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:08:00,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:08:00,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:08:00,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:08:00,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:08:00,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:08:00,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:08:00,344 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:08:00,344 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:08:00,344 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:08:00,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:08:00,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:08:00,345 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:08:00,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:08:00,346 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:08:00,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:08:00,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:00,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:08:00,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:08:00,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:08:00,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:08:00,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:08:00,353 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_4207d430-418c-401a-ae2c-4625e73eb509/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0e9d8942fb8d2fd1a25d66d454b9c32f760a64b343a4c82a5f79e697806ebb8 [2024-11-08 22:08:00,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:08:00,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:08:00,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:08:00,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:08:00,670 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:08:00,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Ex6.c Unable to find full path for "g++" [2024-11-08 22:08:02,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:08:02,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:08:02,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Ex6.c [2024-11-08 22:08:02,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/bin/ukojak-verify-ImItNfHLgk/data/19a0175a9/0588e9d17965443fa1caf969a2dcf5eb/FLAG4b73328c6 [2024-11-08 22:08:02,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/bin/ukojak-verify-ImItNfHLgk/data/19a0175a9/0588e9d17965443fa1caf969a2dcf5eb [2024-11-08 22:08:02,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:08:02,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:08:02,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:02,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:08:02,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:08:02,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:02" (1/1) ... [2024-11-08 22:08:02,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1881b21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:02, skipping insertion in model container [2024-11-08 22:08:02,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:02" (1/1) ... [2024-11-08 22:08:03,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:08:03,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:03,236 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:08:03,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:03,267 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:08:03,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:03 WrapperNode [2024-11-08 22:08:03,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:03,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:03,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:08:03,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:08:03,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:03" (1/1) ... [2024-11-08 22:08:03,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:03" (1/1) ... [2024-11-08 22:08:03,295 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-08 22:08:03,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:03,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:08:03,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:08:03,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:08:03,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:03" (1/1) ... [2024-11-08 22:08:03,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:03" (1/1) ... [2024-11-08 22:08:03,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:03" (1/1) ... [2024-11-08 22:08:03,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:03" (1/1) ... [2024-11-08 22:08:03,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:03" (1/1) ... [2024-11-08 22:08:03,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:03" (1/1) ... [2024-11-08 22:08:03,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:03" (1/1) ... [2024-11-08 22:08:03,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:03" (1/1) ... [2024-11-08 22:08:03,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:08:03,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:08:03,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:08:03,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:08:03,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:03" (1/1) ... [2024-11-08 22:08:03,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:03,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:08:03,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:08:03,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:08:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:08:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:08:03,453 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:08:03,454 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:08:03,551 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 22:08:03,551 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:08:03,587 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:08:03,587 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:08:03,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:03 BoogieIcfgContainer [2024-11-08 22:08:03,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:08:03,590 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:08:03,590 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:08:03,601 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:08:03,601 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:03" (1/1) ... [2024-11-08 22:08:03,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:08:03,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-08 22:08:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-08 22:08:03,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:08:03,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:03,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:03,930 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 22:08:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:04,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-11-08 22:08:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-11-08 22:08:04,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:08:04,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:04,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:04,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:04,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:04,140 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:08:04,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:08:04 ImpRootNode [2024-11-08 22:08:04,163 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:08:04,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:08:04,164 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:08:04,164 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:08:04,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:03" (3/4) ... [2024-11-08 22:08:04,166 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:08:04,202 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:08:04,202 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:08:04,203 INFO L158 Benchmark]: Toolchain (without parser) took 1215.59ms. Allocated memory is still 188.7MB. Free memory was 152.2MB in the beginning and 110.3MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 22:08:04,204 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:04,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.89ms. Allocated memory is still 188.7MB. Free memory was 152.2MB in the beginning and 140.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:08:04,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.44ms. Allocated memory is still 188.7MB. Free memory was 140.7MB in the beginning and 139.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:04,206 INFO L158 Benchmark]: Boogie Preprocessor took 19.79ms. Allocated memory is still 188.7MB. Free memory was 139.6MB in the beginning and 138.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:08:04,207 INFO L158 Benchmark]: RCFGBuilder took 272.37ms. Allocated memory is still 188.7MB. Free memory was 138.6MB in the beginning and 128.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:08:04,207 INFO L158 Benchmark]: CodeCheck took 573.62ms. Allocated memory is still 188.7MB. Free memory was 128.7MB in the beginning and 111.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:08:04,208 INFO L158 Benchmark]: Witness Printer took 38.73ms. Allocated memory is still 188.7MB. Free memory was 111.9MB in the beginning and 110.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:08:04,211 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 17 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: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y; [L15] x = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND FALSE !(x >= 0) VAL [x=1, y=2147483647] [L17] COND TRUE x >= 0 VAL [x=1, y=2147483647] [L18] x + y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.89ms. Allocated memory is still 188.7MB. Free memory was 152.2MB in the beginning and 140.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.44ms. Allocated memory is still 188.7MB. Free memory was 140.7MB in the beginning and 139.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.79ms. Allocated memory is still 188.7MB. Free memory was 139.6MB in the beginning and 138.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 272.37ms. Allocated memory is still 188.7MB. Free memory was 138.6MB in the beginning and 128.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 573.62ms. Allocated memory is still 188.7MB. Free memory was 128.7MB in the beginning and 111.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 38.73ms. Allocated memory is still 188.7MB. Free memory was 111.9MB in the beginning and 110.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:08:04,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4207d430-418c-401a-ae2c-4625e73eb509/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)