./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cb1a9f52359f2ddeb91e8f6c10211aed7069a453a7399847a9aff033a2bb2ec6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:27:05,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:27:05,559 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:27:05,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:27:05,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:27:05,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:27:05,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:27:05,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:27:05,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:27:05,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:27:05,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:27:05,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:27:05,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:27:05,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:27:05,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:27:05,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:27:05,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:27:05,626 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:27:05,627 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:27:05,627 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:27:05,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:27:05,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:27:05,631 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:27:05,631 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:27:05,631 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:27:05,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:27:05,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:27:05,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:27:05,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:27:05,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:27:05,638 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:27:05,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:27:05,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb1a9f52359f2ddeb91e8f6c10211aed7069a453a7399847a9aff033a2bb2ec6 [2024-11-09 00:27:06,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:27:06,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:27:06,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:27:06,059 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:27:06,060 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:27:06,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i Unable to find full path for "g++" [2024-11-09 00:27:08,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:27:08,725 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:27:08,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i [2024-11-09 00:27:08,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/data/f6777e133/187a234c6d544fd7b4cb7de38aa5d843/FLAG039bca393 [2024-11-09 00:27:08,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/data/f6777e133/187a234c6d544fd7b4cb7de38aa5d843 [2024-11-09 00:27:08,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:27:08,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:27:08,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:27:08,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:27:08,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:27:08,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:27:08" (1/1) ... [2024-11-09 00:27:08,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee7684f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:08, skipping insertion in model container [2024-11-09 00:27:08,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:27:08" (1/1) ... [2024-11-09 00:27:09,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:27:10,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:27:10,354 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:27:10,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:27:10,674 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:27:10,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:10 WrapperNode [2024-11-09 00:27:10,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:27:10,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:27:10,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:27:10,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:27:10,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:10" (1/1) ... [2024-11-09 00:27:10,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:10" (1/1) ... [2024-11-09 00:27:10,764 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-09 00:27:10,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:27:10,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:27:10,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:27:10,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:27:10,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:10" (1/1) ... [2024-11-09 00:27:10,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:10" (1/1) ... [2024-11-09 00:27:10,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:10" (1/1) ... [2024-11-09 00:27:10,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:10" (1/1) ... [2024-11-09 00:27:10,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:10" (1/1) ... [2024-11-09 00:27:10,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:10" (1/1) ... [2024-11-09 00:27:10,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:10" (1/1) ... [2024-11-09 00:27:10,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:10" (1/1) ... [2024-11-09 00:27:10,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:27:10,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:27:10,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:27:10,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:27:10,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:10" (1/1) ... [2024-11-09 00:27:10,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:27:10,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:27:10,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:27:10,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:27:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:27:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:27:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:27:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:27:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:27:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:27:11,088 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:27:11,091 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:27:11,256 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 00:27:11,257 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:27:11,339 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:27:11,340 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:27:11,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:27:11 BoogieIcfgContainer [2024-11-09 00:27:11,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:27:11,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:27:11,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:27:11,353 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:27:11,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:27:11" (1/1) ... [2024-11-09 00:27:11,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:27:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-09 00:27:11,429 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-09 00:27:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:27:11,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:11,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:11,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:11,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 22 transitions. [2024-11-09 00:27:11,786 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-09 00:27:11,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:27:11,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:11,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:11,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:27:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:12,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:27:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:12,121 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:27:12,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:27:12 ImpRootNode [2024-11-09 00:27:12,171 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:27:12,173 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:27:12,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:27:12,174 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:27:12,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:27:11" (3/4) ... [2024-11-09 00:27:12,179 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:27:12,180 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:27:12,182 INFO L158 Benchmark]: Toolchain (without parser) took 3292.47ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 78.3MB in the beginning and 95.7MB in the end (delta: -17.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-11-09 00:27:12,182 INFO L158 Benchmark]: CDTParser took 1.87ms. Allocated memory is still 119.5MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:27:12,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1783.91ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 78.3MB in the beginning and 83.9MB in the end (delta: -5.6MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-09 00:27:12,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.08ms. Allocated memory is still 159.4MB. Free memory was 83.9MB in the beginning and 80.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:27:12,186 INFO L158 Benchmark]: Boogie Preprocessor took 50.39ms. Allocated memory is still 159.4MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:27:12,188 INFO L158 Benchmark]: RCFGBuilder took 524.21ms. Allocated memory is still 159.4MB. Free memory was 79.7MB in the beginning and 123.0MB in the end (delta: -43.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:27:12,189 INFO L158 Benchmark]: CodeCheck took 830.22ms. Allocated memory is still 159.4MB. Free memory was 123.0MB in the beginning and 95.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 00:27:12,190 INFO L158 Benchmark]: Witness Printer took 7.99ms. Allocated memory is still 159.4MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:27:12,195 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 15 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1569]: 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 large string literal at line 1578, 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); [L1578] 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) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fgets_postdec_13_bad() [L1550] int data; [L1551] data = 0 VAL [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] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [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) [L1566] COND TRUE GLOBAL_CONST_FIVE==5 [L1569] data-- 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 1.87ms. Allocated memory is still 119.5MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1783.91ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 78.3MB in the beginning and 83.9MB in the end (delta: -5.6MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.08ms. Allocated memory is still 159.4MB. Free memory was 83.9MB in the beginning and 80.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.39ms. Allocated memory is still 159.4MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.21ms. Allocated memory is still 159.4MB. Free memory was 79.7MB in the beginning and 123.0MB in the end (delta: -43.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 830.22ms. Allocated memory is still 159.4MB. Free memory was 123.0MB in the beginning and 95.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 7.99ms. Allocated memory is still 159.4MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:27:12,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cb1a9f52359f2ddeb91e8f6c10211aed7069a453a7399847a9aff033a2bb2ec6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:27:15,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:27:15,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:27:15,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:27:15,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:27:15,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:27:15,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:27:15,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:27:15,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:27:15,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:27:15,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:27:15,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:27:15,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:27:15,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:27:15,304 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:27:15,304 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:27:15,305 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:27:15,305 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:27:15,306 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:27:15,309 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:27:15,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:27:15,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:27:15,312 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:27:15,316 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:27:15,316 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:27:15,317 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:15,317 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:27:15,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:27:15,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:27:15,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:27:15,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:27:15,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:27:15,323 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:27:15,323 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:15,323 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:27:15,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb1a9f52359f2ddeb91e8f6c10211aed7069a453a7399847a9aff033a2bb2ec6 [2024-11-09 00:27:15,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:27:15,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:27:15,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:27:15,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:27:15,954 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:27:15,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i Unable to find full path for "g++" [2024-11-09 00:27:18,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:27:18,443 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:27:18,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_bad.i [2024-11-09 00:27:18,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/data/819853226/1f4d0e24930744d2baba586cd6378cbf/FLAG60914473a [2024-11-09 00:27:18,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/data/819853226/1f4d0e24930744d2baba586cd6378cbf [2024-11-09 00:27:18,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:27:18,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:27:18,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:27:18,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:27:18,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:27:18,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:27:18" (1/1) ... [2024-11-09 00:27:18,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b6f452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:18, skipping insertion in model container [2024-11-09 00:27:18,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:27:18" (1/1) ... [2024-11-09 00:27:18,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:27:19,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:27:19,653 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:27:19,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:27:19,960 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:27:19,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:19 WrapperNode [2024-11-09 00:27:19,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:27:19,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:27:19,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:27:19,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:27:19,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:19" (1/1) ... [2024-11-09 00:27:19,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:19" (1/1) ... [2024-11-09 00:27:20,023 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-09 00:27:20,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:27:20,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:27:20,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:27:20,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:27:20,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:19" (1/1) ... [2024-11-09 00:27:20,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:19" (1/1) ... [2024-11-09 00:27:20,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:19" (1/1) ... [2024-11-09 00:27:20,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:19" (1/1) ... [2024-11-09 00:27:20,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:19" (1/1) ... [2024-11-09 00:27:20,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:19" (1/1) ... [2024-11-09 00:27:20,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:19" (1/1) ... [2024-11-09 00:27:20,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:19" (1/1) ... [2024-11-09 00:27:20,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:27:20,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:27:20,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:27:20,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:27:20,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:19" (1/1) ... [2024-11-09 00:27:20,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:27:20,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:27:20,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:27:20,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:27:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:27:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:27:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:27:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:27:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:27:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:27:20,353 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:27:20,355 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:27:20,560 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 00:27:20,583 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:27:20,657 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:27:20,657 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:27:20,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:27:20 BoogieIcfgContainer [2024-11-09 00:27:20,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:27:20,659 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:27:20,659 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:27:20,669 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:27:20,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:27:20" (1/1) ... [2024-11-09 00:27:20,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:27:20,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-09 00:27:20,762 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-09 00:27:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:27:20,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:20,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:20,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:20,772 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:20,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:27:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:20,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:20,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:27:20,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:21,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:21,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:27:21,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:21,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 27 transitions. [2024-11-09 00:27:21,126 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-09 00:27:21,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:27:21,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:21,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:21,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:21,132 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:21,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:27:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:21,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:27:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:21,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:27:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:21,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:27:21,504 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:27:21,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:27:21 ImpRootNode [2024-11-09 00:27:21,531 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:27:21,532 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:27:21,532 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:27:21,532 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:27:21,533 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:27:20" (3/4) ... [2024-11-09 00:27:21,535 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:27:21,536 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:27:21,537 INFO L158 Benchmark]: Toolchain (without parser) took 3041.67ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 62.9MB in the beginning and 56.3MB in the end (delta: 6.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-09 00:27:21,538 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:27:21,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1462.15ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 62.6MB in the beginning and 73.9MB in the end (delta: -11.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-09 00:27:21,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.94ms. Allocated memory is still 119.5MB. Free memory was 73.9MB in the beginning and 70.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:27:21,540 INFO L158 Benchmark]: Boogie Preprocessor took 38.14ms. Allocated memory is still 119.5MB. Free memory was 70.8MB in the beginning and 68.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:27:21,541 INFO L158 Benchmark]: RCFGBuilder took 594.56ms. Allocated memory is still 119.5MB. Free memory was 68.8MB in the beginning and 86.3MB in the end (delta: -17.6MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-11-09 00:27:21,541 INFO L158 Benchmark]: CodeCheck took 872.37ms. Allocated memory is still 119.5MB. Free memory was 86.3MB in the beginning and 57.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 00:27:21,542 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 119.5MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:27:21,545 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 17 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 36 ConjunctsInSsa, 2 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: 1569]: 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 large string literal at line 1578, 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); [L1578] 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) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fgets_postdec_13_bad() [L1550] int data; [L1551] data = 0 VAL [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] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [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) [L1566] COND TRUE GLOBAL_CONST_FIVE==5 [L1569] data-- 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 0.29ms. Allocated memory is still 90.2MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1462.15ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 62.6MB in the beginning and 73.9MB in the end (delta: -11.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.94ms. Allocated memory is still 119.5MB. Free memory was 73.9MB in the beginning and 70.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.14ms. Allocated memory is still 119.5MB. Free memory was 70.8MB in the beginning and 68.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.56ms. Allocated memory is still 119.5MB. Free memory was 68.8MB in the beginning and 86.3MB in the end (delta: -17.6MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * CodeCheck took 872.37ms. Allocated memory is still 119.5MB. Free memory was 86.3MB in the beginning and 57.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 119.5MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:27:21,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fedc766-0dda-457f-b727-8df3c20cecb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample