./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b --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 6eed82af7d554aeac57c848eced5bce04045d572bdc3208b06d88ec5a173a95c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:45,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:45,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 21:26:45,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:26:45,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:26:45,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:45,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:26:45,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:26:45,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:45,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:45,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:45,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:26:45,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:45,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:45,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:26:45,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:45,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:26:45,254 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:26:45,254 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:26:45,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:26:45,255 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:45,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:45,255 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:45,255 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:45,255 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:45,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:45,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:45,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:45,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:45,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:26:45,256 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:26:45,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:26:45,256 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_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b 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 -> 6eed82af7d554aeac57c848eced5bce04045d572bdc3208b06d88ec5a173a95c [2024-12-05 21:26:45,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:45,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:45,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:45,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:45,520 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:45,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i [2024-12-05 21:26:48,165 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/data/7e6d1f29c/76ed9d2418e5488199cdb786c644c470/FLAGe7cbf253b [2024-12-05 21:26:48,478 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:26:48,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i [2024-12-05 21:26:48,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/data/7e6d1f29c/76ed9d2418e5488199cdb786c644c470/FLAGe7cbf253b [2024-12-05 21:26:48,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/data/7e6d1f29c/76ed9d2418e5488199cdb786c644c470 [2024-12-05 21:26:48,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:26:48,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:26:48,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:48,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:26:48,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:26:48,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:48" (1/1) ... [2024-12-05 21:26:48,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f676222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:48, skipping insertion in model container [2024-12-05 21:26:48,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:48" (1/1) ... [2024-12-05 21:26:48,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:26:49,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:49,584 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:26:49,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:49,761 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:26:49,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49 WrapperNode [2024-12-05 21:26:49,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:49,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:49,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:26:49,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:26:49,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49" (1/1) ... [2024-12-05 21:26:49,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49" (1/1) ... [2024-12-05 21:26:49,808 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-12-05 21:26:49,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:49,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:26:49,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:26:49,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:26:49,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49" (1/1) ... [2024-12-05 21:26:49,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49" (1/1) ... [2024-12-05 21:26:49,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49" (1/1) ... [2024-12-05 21:26:49,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49" (1/1) ... [2024-12-05 21:26:49,822 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49" (1/1) ... [2024-12-05 21:26:49,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49" (1/1) ... [2024-12-05 21:26:49,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49" (1/1) ... [2024-12-05 21:26:49,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49" (1/1) ... [2024-12-05 21:26:49,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49" (1/1) ... [2024-12-05 21:26:49,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:26:49,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:26:49,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:26:49,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:26:49,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:49" (1/1) ... [2024-12-05 21:26:49,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:49,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:26:49,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:26:49,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:26:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 21:26:49,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 21:26:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:26:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:26:49,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:26:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:26:49,984 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:26:49,986 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:26:50,083 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-05 21:26:50,083 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:26:50,110 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:26:50,111 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:26:50,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:50 BoogieIcfgContainer [2024-12-05 21:26:50,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:26:50,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:26:50,112 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:26:50,122 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:26:50,122 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:50" (1/1) ... [2024-12-05 21:26:50,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:26:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:50,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-05 21:26:50,182 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-05 21:26:50,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:26:50,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:50,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:50,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-05 21:26:50,579 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-05 21:26:50,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:26:50,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:50,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:50,604 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:26:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:50,675 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:26:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:50,700 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 21:26:50,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:26:50 ImpRootNode [2024-12-05 21:26:50,721 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:26:50,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:26:50,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:26:50,722 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:26:50,723 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:50" (3/4) ... [2024-12-05 21:26:50,724 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:26:50,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:26:50,726 INFO L158 Benchmark]: Toolchain (without parser) took 1972.24ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 59.7MB in the end (delta: 53.2MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2024-12-05 21:26:50,726 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:50,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1007.25ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 54.2MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 21:26:50,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.40ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 112.7MB in the end (delta: -58.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-12-05 21:26:50,727 INFO L158 Benchmark]: Boogie Preprocessor took 18.24ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 111.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:50,728 INFO L158 Benchmark]: RCFGBuilder took 283.02ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 96.8MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:26:50,728 INFO L158 Benchmark]: CodeCheck took 609.67ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 60.4MB in the end (delta: 36.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 21:26:50,728 INFO L158 Benchmark]: Witness Printer took 3.17ms. Allocated memory is still 142.6MB. Free memory was 60.4MB in the beginning and 59.7MB in the end (delta: 663.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:50,731 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 11 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets 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); [L1548] int CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal = 0; [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_postinc_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal = 1 [L1566] CALL CWE190_Integer_Overflow__int_fgets_postinc_22_badSink(data) [L1579] COND TRUE \read(CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal) [L1582] data++ VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=1, 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 0.42ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1007.25ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 54.2MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.40ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 112.7MB in the end (delta: -58.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.24ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 111.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 283.02ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 96.8MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 609.67ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 60.4MB in the end (delta: 36.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.17ms. Allocated memory is still 142.6MB. Free memory was 60.4MB in the beginning and 59.7MB in the end (delta: 663.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:26:50,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/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_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b --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 6eed82af7d554aeac57c848eced5bce04045d572bdc3208b06d88ec5a173a95c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:52,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:52,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 21:26:52,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:52,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:26:52,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:26:52,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:52,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:52,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:52,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:26:52,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:52,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:26:52,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:52,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:26:52,869 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:26:52,869 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:26:52,869 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:26:52,869 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:26:52,869 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:26:52,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:26:52,869 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:52,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:52,869 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:52,869 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:52,869 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:52,869 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:26:52,870 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:26:52,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:52,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:52,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:52,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:52,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:26:52,870 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:26:52,870 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:26:52,870 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:26:52,870 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_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b 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 -> 6eed82af7d554aeac57c848eced5bce04045d572bdc3208b06d88ec5a173a95c [2024-12-05 21:26:53,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:53,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:53,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:53,146 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:53,147 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:53,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i [2024-12-05 21:26:55,845 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/data/5d32b47a3/39cecd6e5fce42888c326e57b5b7315d/FLAG0fd81dadc [2024-12-05 21:26:56,146 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:26:56,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_22_bad.i [2024-12-05 21:26:56,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/data/5d32b47a3/39cecd6e5fce42888c326e57b5b7315d/FLAG0fd81dadc [2024-12-05 21:26:56,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/data/5d32b47a3/39cecd6e5fce42888c326e57b5b7315d [2024-12-05 21:26:56,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:26:56,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:26:56,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:56,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:26:56,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:26:56,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:26:56,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfcdac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:56, skipping insertion in model container [2024-12-05 21:26:56,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:56" (1/1) ... [2024-12-05 21:26:56,224 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:26:56,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:56,903 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:26:56,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:57,096 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:26:57,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57 WrapperNode [2024-12-05 21:26:57,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:57,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:57,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:26:57,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:26:57,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,143 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-12-05 21:26:57,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:57,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:26:57,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:26:57,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:26:57,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,162 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:26:57,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:26:57,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:26:57,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:26:57,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:57,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:26:57,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:26:57,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:26:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 21:26:57,230 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 21:26:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:26:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:26:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:26:57,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:26:57,354 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:26:57,356 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:26:57,479 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-05 21:26:57,479 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:26:57,514 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:26:57,514 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:26:57,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:57 BoogieIcfgContainer [2024-12-05 21:26:57,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:26:57,516 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:26:57,516 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:26:57,526 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:26:57,526 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:57" (1/1) ... [2024-12-05 21:26:57,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:26:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-05 21:26:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-05 21:26:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:26:57,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:57,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:26:57,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:26:57,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:26:57,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:26:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:57,741 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:26:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:57,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 21:26:57,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:57,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:57,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:26:57,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:57,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-05 21:26:57,820 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-05 21:26:57,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:26:57,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:57,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:26:57,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:26:57,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:26:57,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:26:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:57,952 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:26:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:58,060 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:26:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:58,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 21:26:58,093 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 21:26:58,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:26:58 ImpRootNode [2024-12-05 21:26:58,124 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:26:58,125 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:26:58,125 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:26:58,125 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:26:58,125 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:57" (3/4) ... [2024-12-05 21:26:58,127 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:26:58,128 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:26:58,129 INFO L158 Benchmark]: Toolchain (without parser) took 1944.03ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 40.3MB in the end (delta: 26.1MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-12-05 21:26:58,129 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:58,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 911.63ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 59.6MB in the end (delta: 6.6MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-05 21:26:58,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.68ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 56.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:58,131 INFO L158 Benchmark]: Boogie Preprocessor took 27.38ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:58,131 INFO L158 Benchmark]: RCFGBuilder took 342.29ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 39.1MB in the end (delta: 16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:26:58,132 INFO L158 Benchmark]: CodeCheck took 608.51ms. Allocated memory is still 92.3MB. Free memory was 39.1MB in the beginning and 40.3MB in the end (delta: -1.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-12-05 21:26:58,132 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 92.3MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:58,134 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 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, 13 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 66 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets 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); [L1548] int CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal = 0; [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_postinc_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal = 1 [L1566] CALL CWE190_Integer_Overflow__int_fgets_postinc_22_badSink(data) [L1579] COND TRUE \read(CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal) [L1582] data++ VAL [CWE190_Integer_Overflow__int_fgets_postinc_22_badGlobal=1, 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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 911.63ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 59.6MB in the end (delta: 6.6MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.68ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 56.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.38ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.29ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 39.1MB in the end (delta: 16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 608.51ms. Allocated memory is still 92.3MB. Free memory was 39.1MB in the beginning and 40.3MB in the end (delta: -1.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 92.3MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:26:58,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58730844-2509-40ad-91a5-a0c3a5efa018/bin/ukojak-verify-CZk0znPC7b/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