./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/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_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/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_881c355c-f537-449a-a0ca-59caa015687e/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 90de15b3bd53d249fe09e9db7e233ad21890ef824d7050121f83d7afca5a6fc0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:22:37,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:22:37,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:22:37,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:22:37,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:22:37,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:22:37,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:22:37,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:22:37,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:22:37,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:22:37,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:22:37,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:22:37,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:22:37,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:22:37,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:22:37,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:22:37,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:22:37,902 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:22:37,902 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:22:37,903 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:22:37,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:22:37,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:22:37,907 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:22:37,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:22:37,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:22:37,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:22:37,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:37,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:22:37,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:22:37,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:22:37,910 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:22:37,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:22:37,915 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_881c355c-f537-449a-a0ca-59caa015687e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90de15b3bd53d249fe09e9db7e233ad21890ef824d7050121f83d7afca5a6fc0 [2024-11-08 22:22:38,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:22:38,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:22:38,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:22:38,225 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:22:38,225 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:22:38,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i Unable to find full path for "g++" [2024-11-08 22:22:40,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:22:40,581 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:22:40,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i [2024-11-08 22:22:40,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/data/1318f246d/f5339b2dff2140f09dcdefd67631aa7c/FLAG269fe3853 [2024-11-08 22:22:40,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/data/1318f246d/f5339b2dff2140f09dcdefd67631aa7c [2024-11-08 22:22:40,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:22:40,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:22:40,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:40,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:22:40,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:22:40,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:40" (1/1) ... [2024-11-08 22:22:40,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69250453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:40, skipping insertion in model container [2024-11-08 22:22:40,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:40" (1/1) ... [2024-11-08 22:22:40,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:22:41,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:41,658 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:22:41,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:41,942 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:22:41,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:41 WrapperNode [2024-11-08 22:22:41,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:41,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:41,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:22:41,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:22:41,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:41" (1/1) ... [2024-11-08 22:22:41,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:41" (1/1) ... [2024-11-08 22:22:42,017 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-08 22:22:42,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:42,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:22:42,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:22:42,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:22:42,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:41" (1/1) ... [2024-11-08 22:22:42,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:41" (1/1) ... [2024-11-08 22:22:42,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:41" (1/1) ... [2024-11-08 22:22:42,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:41" (1/1) ... [2024-11-08 22:22:42,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:41" (1/1) ... [2024-11-08 22:22:42,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:41" (1/1) ... [2024-11-08 22:22:42,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:41" (1/1) ... [2024-11-08 22:22:42,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:41" (1/1) ... [2024-11-08 22:22:42,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:22:42,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:22:42,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:22:42,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:22:42,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:41" (1/1) ... [2024-11-08 22:22:42,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:42,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:22:42,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:22:42,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:22:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:22:42,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:22:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:22:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:22:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:22:42,318 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:22:42,324 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:22:42,425 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:22:42,426 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:22:42,471 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:22:42,471 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:22:42,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:42 BoogieIcfgContainer [2024-11-08 22:22:42,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:22:42,472 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:22:42,472 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:22:42,483 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:22:42,484 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:42" (1/1) ... [2024-11-08 22:22:42,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:22:42,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:42,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-08 22:22:42,549 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 22:22:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:22:42,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:42,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:42,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:42,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:42,770 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:22:42,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:22:42 ImpRootNode [2024-11-08 22:22:42,798 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:22:42,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:22:42,799 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:22:42,799 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:22:42,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:42" (3/4) ... [2024-11-08 22:22:42,802 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:22:42,803 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:22:42,805 INFO L158 Benchmark]: Toolchain (without parser) took 2167.59ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 91.4MB in the beginning and 122.0MB in the end (delta: -30.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-11-08 22:22:42,805 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 136.3MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:42,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1303.87ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 91.0MB in the beginning and 102.4MB in the end (delta: -11.4MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-11-08 22:22:42,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.28ms. Allocated memory is still 174.1MB. Free memory was 102.4MB in the beginning and 99.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:22:42,807 INFO L158 Benchmark]: Boogie Preprocessor took 32.71ms. Allocated memory is still 174.1MB. Free memory was 99.6MB in the beginning and 98.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:42,808 INFO L158 Benchmark]: RCFGBuilder took 420.07ms. Allocated memory is still 174.1MB. Free memory was 98.2MB in the beginning and 135.7MB in the end (delta: -37.4MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-11-08 22:22:42,809 INFO L158 Benchmark]: CodeCheck took 325.85ms. Allocated memory is still 174.1MB. Free memory was 135.7MB in the beginning and 122.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:22:42,809 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 174.1MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:42,813 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_03_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 136.3MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1303.87ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 91.0MB in the beginning and 102.4MB in the end (delta: -11.4MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.28ms. Allocated memory is still 174.1MB. Free memory was 102.4MB in the beginning and 99.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.71ms. Allocated memory is still 174.1MB. Free memory was 99.6MB in the beginning and 98.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.07ms. Allocated memory is still 174.1MB. Free memory was 98.2MB in the beginning and 135.7MB in the end (delta: -37.4MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * CodeCheck took 325.85ms. Allocated memory is still 174.1MB. Free memory was 135.7MB in the beginning and 122.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 174.1MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:22:42,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/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_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/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_881c355c-f537-449a-a0ca-59caa015687e/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 90de15b3bd53d249fe09e9db7e233ad21890ef824d7050121f83d7afca5a6fc0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:22:45,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:22:45,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:22:45,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:22:45,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:22:45,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:22:45,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:22:45,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:22:45,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:22:45,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:22:45,280 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:22:45,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:22:45,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:22:45,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:22:45,282 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:22:45,282 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:22:45,282 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:22:45,283 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:22:45,283 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:22:45,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:22:45,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:22:45,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:22:45,286 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:22:45,286 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:22:45,287 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:22:45,287 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:45,287 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:22:45,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:22:45,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:45,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:22:45,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:22:45,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:22:45,290 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:22:45,291 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:45,291 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:22:45,292 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_881c355c-f537-449a-a0ca-59caa015687e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90de15b3bd53d249fe09e9db7e233ad21890ef824d7050121f83d7afca5a6fc0 [2024-11-08 22:22:45,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:22:45,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:22:45,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:22:45,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:22:45,689 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:22:45,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i Unable to find full path for "g++" [2024-11-08 22:22:48,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:22:48,419 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:22:48,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i [2024-11-08 22:22:48,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/data/55bb45a77/8efa93e8a0d4463d9e963c90137fadd8/FLAG38926e91d [2024-11-08 22:22:48,476 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/data/55bb45a77/8efa93e8a0d4463d9e963c90137fadd8 [2024-11-08 22:22:48,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:22:48,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:22:48,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:48,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:22:48,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:22:48,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:48" (1/1) ... [2024-11-08 22:22:48,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a292f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:48, skipping insertion in model container [2024-11-08 22:22:48,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:48" (1/1) ... [2024-11-08 22:22:48,587 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:22:49,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:49,621 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:22:49,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:49,965 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:22:49,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:49 WrapperNode [2024-11-08 22:22:49,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:49,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:49,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:22:49,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:22:49,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:49" (1/1) ... [2024-11-08 22:22:50,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:49" (1/1) ... [2024-11-08 22:22:50,043 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-08 22:22:50,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:50,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:22:50,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:22:50,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:22:50,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:49" (1/1) ... [2024-11-08 22:22:50,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:49" (1/1) ... [2024-11-08 22:22:50,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:49" (1/1) ... [2024-11-08 22:22:50,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:49" (1/1) ... [2024-11-08 22:22:50,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:49" (1/1) ... [2024-11-08 22:22:50,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:49" (1/1) ... [2024-11-08 22:22:50,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:49" (1/1) ... [2024-11-08 22:22:50,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:49" (1/1) ... [2024-11-08 22:22:50,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:22:50,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:22:50,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:22:50,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:22:50,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:49" (1/1) ... [2024-11-08 22:22:50,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:50,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:22:50,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:22:50,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:22:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:22:50,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:22:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:22:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:22:50,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:22:50,392 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:22:50,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:22:50,536 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 22:22:50,537 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:22:50,598 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:22:50,598 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:22:50,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:50 BoogieIcfgContainer [2024-11-08 22:22:50,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:22:50,599 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:22:50,600 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:22:50,610 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:22:50,610 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:50" (1/1) ... [2024-11-08 22:22:50,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:22:50,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-08 22:22:50,685 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 22:22:50,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:22:50,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:50,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:50,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:50,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:50,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:22:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:50,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:50,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:50,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:22:50,945 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:22:50,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:22:50 ImpRootNode [2024-11-08 22:22:50,973 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:22:50,975 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:22:50,975 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:22:50,975 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:22:50,976 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:50" (3/4) ... [2024-11-08 22:22:50,978 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:22:50,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:22:50,981 INFO L158 Benchmark]: Toolchain (without parser) took 2499.04ms. Allocated memory was 67.1MB in the beginning and 123.7MB in the end (delta: 56.6MB). Free memory was 32.0MB in the beginning and 77.8MB in the end (delta: -45.9MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-08 22:22:50,981 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:50,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1462.84ms. Allocated memory was 67.1MB in the beginning and 123.7MB in the end (delta: 56.6MB). Free memory was 46.5MB in the beginning and 74.8MB in the end (delta: -28.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-08 22:22:50,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.93ms. Allocated memory is still 123.7MB. Free memory was 74.8MB in the beginning and 72.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:50,983 INFO L158 Benchmark]: Boogie Preprocessor took 48.27ms. Allocated memory is still 123.7MB. Free memory was 72.1MB in the beginning and 70.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:50,984 INFO L158 Benchmark]: RCFGBuilder took 505.29ms. Allocated memory is still 123.7MB. Free memory was 70.0MB in the beginning and 91.5MB in the end (delta: -21.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-08 22:22:50,985 INFO L158 Benchmark]: CodeCheck took 373.86ms. Allocated memory is still 123.7MB. Free memory was 91.5MB in the beginning and 77.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:22:50,986 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 123.7MB. Free memory was 77.8MB in the beginning and 77.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:50,991 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_03_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1462.84ms. Allocated memory was 67.1MB in the beginning and 123.7MB in the end (delta: 56.6MB). Free memory was 46.5MB in the beginning and 74.8MB in the end (delta: -28.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.93ms. Allocated memory is still 123.7MB. Free memory was 74.8MB in the beginning and 72.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.27ms. Allocated memory is still 123.7MB. Free memory was 72.1MB in the beginning and 70.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.29ms. Allocated memory is still 123.7MB. Free memory was 70.0MB in the beginning and 91.5MB in the end (delta: -21.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * CodeCheck took 373.86ms. Allocated memory is still 123.7MB. Free memory was 91.5MB in the beginning and 77.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 123.7MB. Free memory was 77.8MB in the beginning and 77.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:22:51,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c355c-f537-449a-a0ca-59caa015687e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample