./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_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_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/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_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/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_3e42f626-af66-42dd-8353-3dcf876f5a7c/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 123eda751355198532204d328bbf03baadaf16411876b1916ea0e01d0e0ef296 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:29:35,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:29:35,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:29:35,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:29:35,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:29:35,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:29:35,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:29:35,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:29:35,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:29:35,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:29:35,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:29:35,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:29:35,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:29:35,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:29:35,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:29:35,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:29:35,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:29:35,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:29:35,921 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:29:35,921 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:29:35,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:29:35,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:29:35,923 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:29:35,923 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:29:35,924 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:29:35,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:29:35,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:29:35,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:29:35,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:29:35,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:29:35,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:29:35,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:29:35,930 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_3e42f626-af66-42dd-8353-3dcf876f5a7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 123eda751355198532204d328bbf03baadaf16411876b1916ea0e01d0e0ef296 [2024-11-08 22:29:36,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:29:36,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:29:36,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:29:36,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:29:36,256 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:29:36,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i Unable to find full path for "g++" [2024-11-08 22:29:38,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:29:38,733 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:29:38,737 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2024-11-08 22:29:38,763 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/data/ccdba6280/919d21db2b5e483bb7e690219cfe4a33/FLAGa550bbcb3 [2024-11-08 22:29:38,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/data/ccdba6280/919d21db2b5e483bb7e690219cfe4a33 [2024-11-08 22:29:38,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:29:38,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:29:38,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:29:38,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:29:38,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:29:38,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:29:38" (1/1) ... [2024-11-08 22:29:38,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e78217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:38, skipping insertion in model container [2024-11-08 22:29:38,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:29:38" (1/1) ... [2024-11-08 22:29:38,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:29:40,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:29:40,388 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:29:40,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:29:40,744 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:29:40,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:40 WrapperNode [2024-11-08 22:29:40,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:29:40,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:29:40,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:29:40,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:29:40,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:40" (1/1) ... [2024-11-08 22:29:40,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:40" (1/1) ... [2024-11-08 22:29:40,873 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-08 22:29:40,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:29:40,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:29:40,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:29:40,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:29:40,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:40" (1/1) ... [2024-11-08 22:29:40,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:40" (1/1) ... [2024-11-08 22:29:40,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:40" (1/1) ... [2024-11-08 22:29:40,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:40" (1/1) ... [2024-11-08 22:29:40,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:40" (1/1) ... [2024-11-08 22:29:40,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:40" (1/1) ... [2024-11-08 22:29:40,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:40" (1/1) ... [2024-11-08 22:29:40,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:40" (1/1) ... [2024-11-08 22:29:40,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:29:40,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:29:40,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:29:40,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:29:40,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:40" (1/1) ... [2024-11-08 22:29:40,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:29:40,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:29:40,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:29:40,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:29:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:29:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:29:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:29:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:29:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:29:41,280 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:29:41,284 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:29:41,564 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-08 22:29:41,565 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:29:41,944 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:29:41,949 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:29:41,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:41 BoogieIcfgContainer [2024-11-08 22:29:41,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:29:41,951 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:29:41,951 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:29:41,969 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:29:41,969 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:41" (1/1) ... [2024-11-08 22:29:41,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:29:42,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:42,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 22:29:42,082 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 22:29:42,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:29:42,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:42,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:42,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:29:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:42,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:29:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:43,086 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:29:43,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:29:43 ImpRootNode [2024-11-08 22:29:43,132 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:29:43,135 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:29:43,135 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:29:43,136 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:29:43,136 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:41" (3/4) ... [2024-11-08 22:29:43,143 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:29:43,145 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:29:43,146 INFO L158 Benchmark]: Toolchain (without parser) took 4354.24ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 113.8MB in the end (delta: 12.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-08 22:29:43,147 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 87.3MB in the end (delta: 30.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:29:43,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1951.35ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 61.2MB in the end (delta: 65.6MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-08 22:29:43,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.18ms. Allocated memory is still 163.6MB. Free memory was 61.2MB in the beginning and 130.3MB in the end (delta: -69.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-08 22:29:43,154 INFO L158 Benchmark]: Boogie Preprocessor took 44.77ms. Allocated memory is still 163.6MB. Free memory was 130.3MB in the beginning and 129.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:29:43,155 INFO L158 Benchmark]: RCFGBuilder took 1026.83ms. Allocated memory is still 163.6MB. Free memory was 129.2MB in the beginning and 89.4MB in the end (delta: 39.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 22:29:43,155 INFO L158 Benchmark]: CodeCheck took 1181.20ms. Allocated memory is still 163.6MB. Free memory was 89.4MB in the beginning and 114.7MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:29:43,156 INFO L158 Benchmark]: Witness Printer took 10.34ms. Allocated memory is still 163.6MB. Free memory was 114.7MB in the beginning and 113.8MB in the end (delta: 921.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:29:43,163 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 8 NumberOfCodeBlocks, 8 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: 1573]: 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 1561, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal) VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, 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] [L1571] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, 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] [L1573] data * 2 VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 87.3MB in the end (delta: 30.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1951.35ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 61.2MB in the end (delta: 65.6MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.18ms. Allocated memory is still 163.6MB. Free memory was 61.2MB in the beginning and 130.3MB in the end (delta: -69.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.77ms. Allocated memory is still 163.6MB. Free memory was 130.3MB in the beginning and 129.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1026.83ms. Allocated memory is still 163.6MB. Free memory was 129.2MB in the beginning and 89.4MB in the end (delta: 39.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 1181.20ms. Allocated memory is still 163.6MB. Free memory was 89.4MB in the beginning and 114.7MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.34ms. Allocated memory is still 163.6MB. Free memory was 114.7MB in the beginning and 113.8MB in the end (delta: 921.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:29:43,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/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_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/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_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/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_3e42f626-af66-42dd-8353-3dcf876f5a7c/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 123eda751355198532204d328bbf03baadaf16411876b1916ea0e01d0e0ef296 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:29:45,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:29:45,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:29:45,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:29:45,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:29:45,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:29:45,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:29:45,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:29:45,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:29:45,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:29:45,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:29:45,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:29:45,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:29:45,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:29:45,727 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:29:45,728 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:29:45,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:29:45,731 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:29:45,732 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:29:45,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:29:45,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:29:45,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:29:45,737 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:29:45,738 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:29:45,738 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:29:45,738 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:45,739 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:29:45,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:29:45,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:29:45,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:29:45,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:29:45,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:29:45,741 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:29:45,741 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:45,742 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:29:45,742 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_3e42f626-af66-42dd-8353-3dcf876f5a7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 123eda751355198532204d328bbf03baadaf16411876b1916ea0e01d0e0ef296 [2024-11-08 22:29:46,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:29:46,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:29:46,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:29:46,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:29:46,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:29:46,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i Unable to find full path for "g++" [2024-11-08 22:29:48,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:29:48,813 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:29:48,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2024-11-08 22:29:48,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/data/a89b91159/007c87c1075340679dce72dba5a1fbc1/FLAGeca46a52d [2024-11-08 22:29:48,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/data/a89b91159/007c87c1075340679dce72dba5a1fbc1 [2024-11-08 22:29:48,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:29:48,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:29:48,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:29:48,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:29:48,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:29:48,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:29:48" (1/1) ... [2024-11-08 22:29:48,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad62468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:48, skipping insertion in model container [2024-11-08 22:29:48,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:29:48" (1/1) ... [2024-11-08 22:29:48,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:29:50,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:29:50,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:29:50,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:29:50,365 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:29:50,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:50 WrapperNode [2024-11-08 22:29:50,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:29:50,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:29:50,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:29:50,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:29:50,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:50" (1/1) ... [2024-11-08 22:29:50,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:50" (1/1) ... [2024-11-08 22:29:50,443 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-08 22:29:50,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:29:50,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:29:50,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:29:50,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:29:50,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:50" (1/1) ... [2024-11-08 22:29:50,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:50" (1/1) ... [2024-11-08 22:29:50,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:50" (1/1) ... [2024-11-08 22:29:50,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:50" (1/1) ... [2024-11-08 22:29:50,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:50" (1/1) ... [2024-11-08 22:29:50,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:50" (1/1) ... [2024-11-08 22:29:50,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:50" (1/1) ... [2024-11-08 22:29:50,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:50" (1/1) ... [2024-11-08 22:29:50,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:29:50,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:29:50,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:29:50,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:29:50,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:50" (1/1) ... [2024-11-08 22:29:50,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:29:50,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:29:50,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:29:50,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:29:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:29:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:29:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:29:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:29:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:29:50,797 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:29:50,800 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:29:50,997 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-08 22:29:50,997 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:29:51,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:29:51,109 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:29:51,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:51 BoogieIcfgContainer [2024-11-08 22:29:51,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:29:51,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:29:51,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:29:51,124 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:29:51,124 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:51" (1/1) ... [2024-11-08 22:29:51,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:29:51,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:51,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 22:29:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 22:29:51,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:29:51,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:51,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:51,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:29:51,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:29:51,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:29:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:51,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:29:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:51,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:29:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:51,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:29:51,692 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:29:51,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:29:51 ImpRootNode [2024-11-08 22:29:51,778 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:29:51,779 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:29:51,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:29:51,782 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:29:51,783 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:51" (3/4) ... [2024-11-08 22:29:51,786 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:29:51,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:29:51,791 INFO L158 Benchmark]: Toolchain (without parser) took 2928.04ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 54.1MB in the beginning and 68.0MB in the end (delta: -13.9MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2024-11-08 22:29:51,791 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:29:51,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1501.51ms. Allocated memory is still 81.8MB. Free memory was 53.9MB in the beginning and 43.6MB in the end (delta: 10.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-08 22:29:51,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.61ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 40.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:29:51,795 INFO L158 Benchmark]: Boogie Preprocessor took 56.70ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 38.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:29:51,798 INFO L158 Benchmark]: RCFGBuilder took 608.23ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 38.3MB in the beginning and 58.0MB in the end (delta: -19.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:29:51,799 INFO L158 Benchmark]: CodeCheck took 667.54ms. Allocated memory is still 98.6MB. Free memory was 58.0MB in the beginning and 68.6MB in the end (delta: -10.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-08 22:29:51,800 INFO L158 Benchmark]: Witness Printer took 9.67ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 68.0MB in the end (delta: 649.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:29:51,809 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 8 NumberOfCodeBlocks, 8 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: 1573]: 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 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal) VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1501.51ms. Allocated memory is still 81.8MB. Free memory was 53.9MB in the beginning and 43.6MB in the end (delta: 10.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.61ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 40.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.70ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 38.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 608.23ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 38.3MB in the beginning and 58.0MB in the end (delta: -19.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 667.54ms. Allocated memory is still 98.6MB. Free memory was 58.0MB in the beginning and 68.6MB in the end (delta: -10.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 9.67ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 68.0MB in the end (delta: 649.9kB). 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 22:29:51,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e42f626-af66-42dd-8353-3dcf876f5a7c/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