./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_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_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/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_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/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_40d6b180-a321-461f-b69b-d5246c6a591c/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 91e3a7abfdbbfc0d2fd5858d81c6ca24af89d28b5d45d27832edb15e832139d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:44:34,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:44:34,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:44:34,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:44:34,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:44:34,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:44:34,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:44:34,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:44:34,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:44:34,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:44:34,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:44:34,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:44:34,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:44:34,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:44:34,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:44:34,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:44:34,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:44:34,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:44:34,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:44:34,674 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:44:34,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:44:34,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:44:34,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:44:34,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:44:34,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:44:34,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:44:34,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:34,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:44:34,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:44:34,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:44:34,676 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:44:34,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:44:34,676 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_40d6b180-a321-461f-b69b-d5246c6a591c/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 -> 91e3a7abfdbbfc0d2fd5858d81c6ca24af89d28b5d45d27832edb15e832139d1 [2024-11-13 20:44:35,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:44:35,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:44:35,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:44:35,133 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:44:35,133 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:44:35,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i Unable to find full path for "g++" [2024-11-13 20:44:37,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:44:37,877 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:44:37,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i [2024-11-13 20:44:37,925 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/data/55710cb83/869e70f728154957961261df90967bc4/FLAG03462012a [2024-11-13 20:44:37,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/data/55710cb83/869e70f728154957961261df90967bc4 [2024-11-13 20:44:37,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:44:37,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:44:37,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:37,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:44:37,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:44:37,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:37" (1/1) ... [2024-11-13 20:44:37,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e85ab4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:37, skipping insertion in model container [2024-11-13 20:44:37,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:37" (1/1) ... [2024-11-13 20:44:38,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:44:39,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:39,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:44:39,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:39,486 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:44:39,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39 WrapperNode [2024-11-13 20:44:39,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:39,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:39,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:44:39,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:44:39,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,567 INFO L138 Inliner]: procedures = 498, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-11-13 20:44:39,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:39,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:44:39,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:44:39,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:44:39,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:44:39,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:44:39,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:44:39,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:44:39,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:39" (1/1) ... [2024-11-13 20:44:39,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:39,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:44:39,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:44:39,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:44:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:44:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:44:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:44:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:44:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:44:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:44:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:44:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:44:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:44:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:44:39,886 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:44:39,888 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:44:40,085 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 20:44:40,086 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:44:40,161 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:44:40,161 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:44:40,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:40 BoogieIcfgContainer [2024-11-13 20:44:40,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:44:40,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:44:40,163 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:44:40,175 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:44:40,175 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:40" (1/1) ... [2024-11-13 20:44:40,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:44:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:44:40,264 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:44:40,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:44:40,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:40,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:41,226 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 20:44:41,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:41,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 20:44:41,363 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 20:44:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:44:41,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:41,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:41,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:41,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:41,679 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:44:41,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:44:41 ImpRootNode [2024-11-13 20:44:41,727 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:44:41,728 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:44:41,728 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:44:41,728 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:44:41,729 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:40" (3/4) ... [2024-11-13 20:44:41,732 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:44:41,734 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:44:41,737 INFO L158 Benchmark]: Toolchain (without parser) took 3786.36ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 42.8MB in the end (delta: 47.4MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2024-11-13 20:44:41,738 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:41,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1539.03ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 80.1MB in the end (delta: 10.2MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2024-11-13 20:44:41,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.66ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:44:41,739 INFO L158 Benchmark]: Boogie Preprocessor took 42.26ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:41,744 INFO L158 Benchmark]: RCFGBuilder took 545.89ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 61.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:44:41,744 INFO L158 Benchmark]: CodeCheck took 1564.50ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 42.8MB in the end (delta: 18.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-13 20:44:41,745 INFO L158 Benchmark]: Witness Printer took 6.15ms. Allocated memory is still 117.4MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 9.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:41,747 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1580, overapproximation of fgets at line 1558. 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); [L1580] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] 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] [L1581] CALL CWE190_Integer_Overflow__int_fgets_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; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={16761:0}, dataPtr2={16761:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] 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 1.25ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1539.03ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 80.1MB in the end (delta: 10.2MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.66ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.26ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 545.89ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 61.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1564.50ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 42.8MB in the end (delta: 18.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Witness Printer took 6.15ms. Allocated memory is still 117.4MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 9.8kB). 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 20:44:41,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/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 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_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/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_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/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_40d6b180-a321-461f-b69b-d5246c6a591c/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 91e3a7abfdbbfc0d2fd5858d81c6ca24af89d28b5d45d27832edb15e832139d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:44:45,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:44:45,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:44:45,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:44:45,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:44:45,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:44:45,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:44:45,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:44:45,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:44:45,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:44:45,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:44:45,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:44:45,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:44:45,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:44:45,283 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:44:45,283 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:44:45,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:44:45,284 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:44:45,284 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:44:45,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:44:45,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:44:45,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:44:45,285 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:44:45,285 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:44:45,285 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:44:45,286 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:45,286 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:44:45,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:44:45,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:45,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:44:45,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:44:45,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:44:45,287 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:44:45,287 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:45,287 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:44:45,287 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_40d6b180-a321-461f-b69b-d5246c6a591c/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 -> 91e3a7abfdbbfc0d2fd5858d81c6ca24af89d28b5d45d27832edb15e832139d1 [2024-11-13 20:44:45,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:44:45,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:44:45,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:44:45,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:44:45,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:44:45,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i Unable to find full path for "g++" [2024-11-13 20:44:47,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:44:48,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:44:48,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i [2024-11-13 20:44:48,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/data/9833519fd/f8f861846bdd4a329b1d6c9a49bad088/FLAG315643621 [2024-11-13 20:44:48,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/data/9833519fd/f8f861846bdd4a329b1d6c9a49bad088 [2024-11-13 20:44:48,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:44:48,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:44:48,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:48,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:44:48,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:44:48,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:48" (1/1) ... [2024-11-13 20:44:48,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7563fbb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:48, skipping insertion in model container [2024-11-13 20:44:48,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:48" (1/1) ... [2024-11-13 20:44:48,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:44:49,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:49,780 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:44:49,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:50,164 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:44:50,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:50 WrapperNode [2024-11-13 20:44:50,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:50,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:50,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:44:50,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:44:50,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:50" (1/1) ... [2024-11-13 20:44:50,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:50" (1/1) ... [2024-11-13 20:44:50,234 INFO L138 Inliner]: procedures = 503, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-11-13 20:44:50,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:50,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:44:50,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:44:50,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:44:50,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:50" (1/1) ... [2024-11-13 20:44:50,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:50" (1/1) ... [2024-11-13 20:44:50,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:50" (1/1) ... [2024-11-13 20:44:50,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:50" (1/1) ... [2024-11-13 20:44:50,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:50" (1/1) ... [2024-11-13 20:44:50,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:50" (1/1) ... [2024-11-13 20:44:50,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:50" (1/1) ... [2024-11-13 20:44:50,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:50" (1/1) ... [2024-11-13 20:44:50,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:44:50,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:44:50,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:44:50,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:44:50,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:50" (1/1) ... [2024-11-13 20:44:50,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:50,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:44:50,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:44:50,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:44:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:44:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:44:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:44:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:44:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:44:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:44:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:44:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:44:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:44:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:44:50,547 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:44:50,550 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:44:50,821 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 20:44:50,821 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:44:50,880 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:44:50,881 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:44:50,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:50 BoogieIcfgContainer [2024-11-13 20:44:50,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:44:50,882 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:44:50,882 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:44:50,908 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:44:50,909 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:50" (1/1) ... [2024-11-13 20:44:50,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:44:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:44:50,987 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:44:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:44:50,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:50,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:50,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:50,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:51,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:44:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:51,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:51,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:44:51,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:51,387 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 20:44:51,391 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:44:51,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:44:51,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:44:51,424 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:44:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:44:51,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:51,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:51,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:51,426 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:51,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:44:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:51,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:51,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:52,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 20:44:52,005 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:44:52,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:44:52 ImpRootNode [2024-11-13 20:44:52,041 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:44:52,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:44:52,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:44:52,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:44:52,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:50" (3/4) ... [2024-11-13 20:44:52,046 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:44:52,047 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:44:52,048 INFO L158 Benchmark]: Toolchain (without parser) took 3738.78ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 40.1MB in the end (delta: 17.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-13 20:44:52,051 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:52,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1852.52ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 51.2MB in the end (delta: 6.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 20:44:52,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.81ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:52,052 INFO L158 Benchmark]: Boogie Preprocessor took 36.93ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 46.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:52,052 INFO L158 Benchmark]: RCFGBuilder took 608.50ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 29.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:44:52,053 INFO L158 Benchmark]: CodeCheck took 1158.76ms. Allocated memory is still 83.9MB. Free memory was 29.7MB in the beginning and 40.5MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:52,053 INFO L158 Benchmark]: Witness Printer took 5.91ms. Allocated memory is still 83.9MB. Free memory was 40.1MB in the beginning and 40.1MB in the end (delta: 4.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:52,057 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 81 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1580, overapproximation of fgets at line 1558. 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); [L1580] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] 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] [L1581] CALL CWE190_Integer_Overflow__int_fgets_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; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] 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 0.60ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1852.52ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 51.2MB in the end (delta: 6.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.81ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.93ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 46.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 608.50ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 29.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1158.76ms. Allocated memory is still 83.9MB. Free memory was 29.7MB in the beginning and 40.5MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.91ms. Allocated memory is still 83.9MB. Free memory was 40.1MB in the beginning and 40.1MB in the end (delta: 4.2kB). 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 20:44:52,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b180-a321-461f-b69b-d5246c6a591c/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