./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm --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 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:25:32,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:25:32,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:25:32,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:25:32,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:25:32,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:25:32,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:25:32,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:25:32,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:25:32,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:25:32,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:25:32,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:25:32,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:25:32,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:25:32,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:25:32,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:25:32,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:25:32,563 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:25:32,564 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:25:32,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:25:32,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:25:32,564 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:25:32,564 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:25:32,564 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:25:32,564 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:25:32,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:25:32,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:25:32,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:25:32,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:25:32,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:25:32,566 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:25:32,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:25:32,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm 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 -> 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f [2024-11-13 20:25:32,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:25:32,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:25:32,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:25:32,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:25:32,957 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:25:32,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i Unable to find full path for "g++" [2024-11-13 20:25:34,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:25:35,298 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:25:35,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2024-11-13 20:25:35,331 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/data/c5316482c/4411c4decc814997b566028071dbd6ae/FLAG1c89c99af [2024-11-13 20:25:35,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/data/c5316482c/4411c4decc814997b566028071dbd6ae [2024-11-13 20:25:35,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:25:35,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:25:35,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:25:35,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:25:35,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:25:35,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:35,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ae7b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35, skipping insertion in model container [2024-11-13 20:25:35,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:35,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:25:36,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:25:36,338 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:25:36,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:25:36,568 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:25:36,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:36 WrapperNode [2024-11-13 20:25:36,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:25:36,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:25:36,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:25:36,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:25:36,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:36" (1/1) ... [2024-11-13 20:25:36,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:36" (1/1) ... [2024-11-13 20:25:36,646 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2024-11-13 20:25:36,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:25:36,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:25:36,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:25:36,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:25:36,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:36" (1/1) ... [2024-11-13 20:25:36,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:36" (1/1) ... [2024-11-13 20:25:36,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:36" (1/1) ... [2024-11-13 20:25:36,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:36" (1/1) ... [2024-11-13 20:25:36,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:36" (1/1) ... [2024-11-13 20:25:36,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:36" (1/1) ... [2024-11-13 20:25:36,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:36" (1/1) ... [2024-11-13 20:25:36,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:36" (1/1) ... [2024-11-13 20:25:36,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:25:36,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:25:36,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:25:36,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:25:36,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:36" (1/1) ... [2024-11-13 20:25:36,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:25:36,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:25:36,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:25:36,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:25:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:25:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:25:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:25:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:25:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:25:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:25:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:25:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:25:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:25:36,929 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:25:36,931 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:25:37,204 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-13 20:25:37,204 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:25:37,496 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:25:37,496 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:25:37,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:25:37 BoogieIcfgContainer [2024-11-13 20:25:37,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:25:37,498 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:25:37,498 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:25:37,508 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:25:37,509 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:25:37" (1/1) ... [2024-11-13 20:25:37,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:25:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:25:37,584 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:25:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:25:37,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:37,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:38,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:25:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 20:25:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 20:25:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:25:38,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:38,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:25:38,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:25:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:25:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:25:38,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:25:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:25:38,813 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:25:38,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:25:38 ImpRootNode [2024-11-13 20:25:38,849 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:25:38,849 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:25:38,850 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:25:38,850 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:25:38,851 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:25:37" (3/4) ... [2024-11-13 20:25:38,853 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:25:38,854 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:25:38,857 INFO L158 Benchmark]: Toolchain (without parser) took 3501.91ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 64.0MB in the end (delta: 51.9MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-11-13 20:25:38,857 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:25:38,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1216.51ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 55.6MB in the end (delta: 60.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:25:38,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.42ms. Allocated memory is still 142.6MB. Free memory was 55.6MB in the beginning and 52.6MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:25:38,858 INFO L158 Benchmark]: Boogie Preprocessor took 41.83ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 51.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:25:38,859 INFO L158 Benchmark]: RCFGBuilder took 803.27ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 81.4MB in the end (delta: -29.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-13 20:25:38,862 INFO L158 Benchmark]: CodeCheck took 1351.06ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 64.0MB in the end (delta: 17.4MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-13 20:25:38,862 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 64.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:25:38,864 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 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, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570, overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_add_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1216.51ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 55.6MB in the end (delta: 60.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.42ms. Allocated memory is still 142.6MB. Free memory was 55.6MB in the beginning and 52.6MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.83ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 51.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 803.27ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 81.4MB in the end (delta: -29.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * CodeCheck took 1351.06ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 64.0MB in the end (delta: 17.4MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 64.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:25:38,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm --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 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:25:41,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:25:41,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:25:41,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:25:41,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:25:41,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:25:41,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:25:41,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:25:41,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:25:41,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:25:41,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:25:41,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:25:41,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:25:41,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:25:41,725 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:25:41,726 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:25:41,726 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:25:41,726 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:25:41,727 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:25:41,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:25:41,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:25:41,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:25:41,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:25:41,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:25:41,728 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:25:41,728 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:41,728 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:25:41,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:25:41,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:25:41,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:25:41,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:25:41,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:25:41,729 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:25:41,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:41,729 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:25:41,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm 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 -> 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f [2024-11-13 20:25:42,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:25:42,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:25:42,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:25:42,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:25:42,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:25:42,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i Unable to find full path for "g++" [2024-11-13 20:25:43,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:25:44,411 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:25:44,414 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2024-11-13 20:25:44,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/data/2323a4191/46f59b62144d4b48aebe3be64fe674ab/FLAGdeb94543c [2024-11-13 20:25:44,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/data/2323a4191/46f59b62144d4b48aebe3be64fe674ab [2024-11-13 20:25:44,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:25:44,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:25:44,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:25:44,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:25:44,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:25:44,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:25:44" (1/1) ... [2024-11-13 20:25:44,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dd1130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:44, skipping insertion in model container [2024-11-13 20:25:44,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:25:44" (1/1) ... [2024-11-13 20:25:44,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:25:45,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:25:45,732 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:25:45,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:25:46,068 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:25:46,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:46 WrapperNode [2024-11-13 20:25:46,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:25:46,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:25:46,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:25:46,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:25:46,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:46" (1/1) ... [2024-11-13 20:25:46,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:46" (1/1) ... [2024-11-13 20:25:46,143 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-13 20:25:46,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:25:46,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:25:46,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:25:46,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:25:46,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:46" (1/1) ... [2024-11-13 20:25:46,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:46" (1/1) ... [2024-11-13 20:25:46,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:46" (1/1) ... [2024-11-13 20:25:46,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:46" (1/1) ... [2024-11-13 20:25:46,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:46" (1/1) ... [2024-11-13 20:25:46,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:46" (1/1) ... [2024-11-13 20:25:46,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:46" (1/1) ... [2024-11-13 20:25:46,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:46" (1/1) ... [2024-11-13 20:25:46,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:25:46,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:25:46,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:25:46,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:25:46,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:46" (1/1) ... [2024-11-13 20:25:46,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:25:46,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:25:46,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:25:46,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:25:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:25:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:25:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:25:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:25:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:25:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:25:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:25:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:25:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:25:46,439 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:25:46,441 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:25:46,602 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-13 20:25:46,602 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:25:46,706 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:25:46,707 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:25:46,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:25:46 BoogieIcfgContainer [2024-11-13 20:25:46,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:25:46,708 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:25:46,709 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:25:46,719 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:25:46,719 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:25:46" (1/1) ... [2024-11-13 20:25:46,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:25:46,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:46,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:25:46,777 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:25:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:25:46,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:46,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:46,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:46,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:46,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:25:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:46,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:47,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:25:47,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:25:47,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:25:47,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:47,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 20:25:47,112 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 20:25:47,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:25:47,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:47,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:47,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:47,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:47,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:25:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:25:47,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:25:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:25:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:25:47,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:25:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:25:47,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 20:25:47,626 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:25:47,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:25:47 ImpRootNode [2024-11-13 20:25:47,663 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:25:47,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:25:47,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:25:47,663 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:25:47,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:25:46" (3/4) ... [2024-11-13 20:25:47,668 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:25:47,668 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:25:47,671 INFO L158 Benchmark]: Toolchain (without parser) took 3188.85ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 47.0MB in the end (delta: 10.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-13 20:25:47,672 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:25:47,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1587.62ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 50.3MB in the end (delta: 7.1MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2024-11-13 20:25:47,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.91ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 47.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:25:47,673 INFO L158 Benchmark]: Boogie Preprocessor took 52.50ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 46.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:25:47,673 INFO L158 Benchmark]: RCFGBuilder took 509.91ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 50.7MB in the end (delta: -5.0MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-13 20:25:47,673 INFO L158 Benchmark]: CodeCheck took 954.22ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 47.4MB in the end (delta: 2.9MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-11-13 20:25:47,674 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 47.0MB in the end (delta: 438.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:25:47,680 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 1 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 - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_add_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1587.62ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 50.3MB in the end (delta: 7.1MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.91ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 47.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.50ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 46.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 509.91ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 50.7MB in the end (delta: -5.0MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * CodeCheck took 954.22ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 47.4MB in the end (delta: 2.9MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 47.0MB in the end (delta: 438.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:25:47,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfee107f-7094-4990-ae6e-c1bc2cd18a1f/bin/ukojak-verify-EEHR8qb7sm/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 Result: UNKNOWN: Overapproximated counterexample