./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex3.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_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/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_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/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_b7c617d1-f184-4b10-a0fe-f674fee92fde/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 aab554f69da132932fe6c9f9ba152534b5f1c86cbd2c747f8c8ef14210bfbda8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:41:16,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:41:16,992 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:41:16,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:41:16,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:41:17,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:41:17,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:41:17,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:41:17,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:41:17,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:41:17,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:41:17,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:41:17,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:41:17,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:41:17,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:41:17,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:41:17,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:41:17,023 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:41:17,024 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:41:17,024 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:41:17,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:41:17,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:41:17,030 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:41:17,031 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:41:17,034 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:41:17,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:41:17,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:41:17,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:41:17,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:41:17,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:41:17,036 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:41:17,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:41:17,037 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_b7c617d1-f184-4b10-a0fe-f674fee92fde/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aab554f69da132932fe6c9f9ba152534b5f1c86cbd2c747f8c8ef14210bfbda8 [2024-11-08 23:41:17,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:41:17,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:41:17,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:41:17,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:41:17,341 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:41:17,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex3.c Unable to find full path for "g++" [2024-11-08 23:41:19,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:41:19,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:41:19,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex3.c [2024-11-08 23:41:19,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk/data/6c09d0080/089cfbbf23cd4cff815010934e42ea04/FLAG4c8a1ad1a [2024-11-08 23:41:19,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk/data/6c09d0080/089cfbbf23cd4cff815010934e42ea04 [2024-11-08 23:41:19,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:41:19,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:41:19,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:41:19,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:41:19,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:41:19,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509e33e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19, skipping insertion in model container [2024-11-08 23:41:19,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:41:19,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:41:19,795 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:41:19,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:41:19,823 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:41:19,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19 WrapperNode [2024-11-08 23:41:19,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:41:19,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:41:19,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:41:19,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:41:19,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,848 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-11-08 23:41:19,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:41:19,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:41:19,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:41:19,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:41:19,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:41:19,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:41:19,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:41:19,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:41:19,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:19" (1/1) ... [2024-11-08 23:41:19,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:41:19,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:41:19,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:41:19,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:41:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure a [2024-11-08 23:41:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure a [2024-11-08 23:41:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:41:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:41:19,974 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:41:19,976 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:41:20,114 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-08 23:41:20,114 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:41:20,135 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:41:20,136 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:41:20,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:41:20 BoogieIcfgContainer [2024-11-08 23:41:20,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:41:20,137 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:41:20,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:41:20,150 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:41:20,150 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:41:20" (1/1) ... [2024-11-08 23:41:20,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:41:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2024-11-08 23:41:20,217 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2024-11-08 23:41:20,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:41:20,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:20,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:20,424 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 23:41:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:20,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 44 transitions. [2024-11-08 23:41:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-11-08 23:41:20,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:41:20,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:20,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:41:20,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:41:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:41:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:41:20,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:41:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:41:20,616 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:41:20,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:41:20 ImpRootNode [2024-11-08 23:41:20,639 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:41:20,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:41:20,640 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:41:20,640 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:41:20,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:41:20" (3/4) ... [2024-11-08 23:41:20,642 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:41:20,676 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:41:20,676 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:41:20,677 INFO L158 Benchmark]: Toolchain (without parser) took 1075.97ms. Allocated memory is still 153.1MB. Free memory was 114.2MB in the beginning and 68.1MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-08 23:41:20,678 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:41:20,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.69ms. Allocated memory is still 153.1MB. Free memory was 113.7MB in the beginning and 102.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:41:20,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.39ms. Allocated memory is still 153.1MB. Free memory was 102.6MB in the beginning and 101.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:41:20,680 INFO L158 Benchmark]: Boogie Preprocessor took 17.37ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 100.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:41:20,681 INFO L158 Benchmark]: RCFGBuilder took 269.79ms. Allocated memory is still 153.1MB. Free memory was 100.0MB in the beginning and 88.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:41:20,683 INFO L158 Benchmark]: CodeCheck took 502.03ms. Allocated memory is still 153.1MB. Free memory was 88.6MB in the beginning and 70.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:41:20,684 INFO L158 Benchmark]: Witness Printer took 36.52ms. Allocated memory is still 153.1MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:41:20,691 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, 33 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 2 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 10 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 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, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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: [L25] int m = __VERIFIER_nondet_int(); [L26] int n = __VERIFIER_nondet_int(); [L27] COND TRUE m >= 0 && n >= 0 VAL [m=0, n=2147483647] [L28] CALL a(m,n) VAL [\old(m)=0, \old(n)=2147483647] [L13] COND TRUE m <= 0 VAL [\old(m)=0, \old(n)=2147483647, n=2147483647] [L14] n + 1 VAL [\old(m)=0, \old(n)=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.69ms. Allocated memory is still 153.1MB. Free memory was 113.7MB in the beginning and 102.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.39ms. Allocated memory is still 153.1MB. Free memory was 102.6MB in the beginning and 101.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.37ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 100.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.79ms. Allocated memory is still 153.1MB. Free memory was 100.0MB in the beginning and 88.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 502.03ms. Allocated memory is still 153.1MB. Free memory was 88.6MB in the beginning and 70.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 36.52ms. Allocated memory is still 153.1MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:41:20,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c617d1-f184-4b10-a0fe-f674fee92fde/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)