./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b39b574f6abd68ad053f289dea3fd159ac18d0030418650be0618220b29edd9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:50:21,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:50:21,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:50:21,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:50:21,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:50:21,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:50:21,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:50:21,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:50:21,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:50:21,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:50:21,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:50:21,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:50:21,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:50:21,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:50:21,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:50:21,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:50:21,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:50:21,573 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:50:21,573 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:50:21,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:50:21,573 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:50:21,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:50:21,573 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:50:21,573 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:50:21,573 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:50:21,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:50:21,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:50:21,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:50:21,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:50:21,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:50:21,574 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:50:21,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:50:21,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b39b574f6abd68ad053f289dea3fd159ac18d0030418650be0618220b29edd9 [2024-12-06 01:50:21,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:50:21,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:50:21,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:50:21,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:50:21,832 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:50:21,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i [2024-12-06 01:50:24,438 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/data/c514d1c82/854d4e6a44714293908b73a05dcad66f/FLAGc20349ba8 [2024-12-06 01:50:24,779 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:50:24,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i [2024-12-06 01:50:24,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/data/c514d1c82/854d4e6a44714293908b73a05dcad66f/FLAGc20349ba8 [2024-12-06 01:50:25,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/data/c514d1c82/854d4e6a44714293908b73a05dcad66f [2024-12-06 01:50:25,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:50:25,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:50:25,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:50:25,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:50:25,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:50:25,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee70a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25, skipping insertion in model container [2024-12-06 01:50:25,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:50:25,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:50:25,734 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:50:25,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:50:25,911 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:50:25,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25 WrapperNode [2024-12-06 01:50:25,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:50:25,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:50:25,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:50:25,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:50:25,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,954 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2024-12-06 01:50:25,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:50:25,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:50:25,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:50:25,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:50:25,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,969 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:50:25,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:50:25,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:50:25,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:50:25,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:25" (1/1) ... [2024-12-06 01:50:25,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:50:25,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:50:26,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:50:26,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:50:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:50:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:50:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:50:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:50:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:50:26,137 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:50:26,138 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:50:26,298 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-12-06 01:50:26,298 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:50:26,461 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:50:26,461 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:50:26,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:50:26 BoogieIcfgContainer [2024-12-06 01:50:26,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:50:26,463 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:50:26,463 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:50:26,472 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:50:26,472 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:50:26" (1/1) ... [2024-12-06 01:50:26,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:50:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:26,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:50:26,527 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:50:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:50:26,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:26,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:50:26,757 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:50:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:50:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:50:26,868 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:50:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:50:26,902 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:50:26,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:50:26 ImpRootNode [2024-12-06 01:50:26,922 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:50:26,922 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:50:26,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:50:26,922 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:50:26,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:50:26" (3/4) ... [2024-12-06 01:50:26,925 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:50:26,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:50:26,927 INFO L158 Benchmark]: Toolchain (without parser) took 1888.72ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 88.8MB in the end (delta: 24.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-12-06 01:50:26,927 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:26,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 872.36ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 53.7MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 01:50:26,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.37ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 111.9MB in the end (delta: -58.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-06 01:50:26,929 INFO L158 Benchmark]: Boogie Preprocessor took 20.87ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 110.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:26,929 INFO L158 Benchmark]: RCFGBuilder took 485.02ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 72.9MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:50:26,929 INFO L158 Benchmark]: CodeCheck took 459.08ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 89.6MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:26,930 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 88.8MB in the end (delta: 778.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:26,932 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_51b_badSink(data) [L1567] 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 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 872.36ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 53.7MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.37ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 111.9MB in the end (delta: -58.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.87ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 110.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.02ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 72.9MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 459.08ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 89.6MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 88.8MB in the end (delta: 778.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:50:26,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b39b574f6abd68ad053f289dea3fd159ac18d0030418650be0618220b29edd9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:50:28,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:50:29,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:50:29,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:50:29,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:50:29,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:50:29,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:50:29,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:50:29,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:50:29,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:50:29,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:50:29,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:50:29,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:50:29,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:50:29,028 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:50:29,028 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:50:29,028 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:50:29,028 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:50:29,029 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:50:29,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:50:29,029 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:50:29,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:50:29,029 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:50:29,029 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:50:29,029 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:50:29,029 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:50:29,029 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:50:29,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:50:29,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:50:29,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:50:29,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:50:29,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:50:29,030 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:50:29,030 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:50:29,030 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:50:29,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b39b574f6abd68ad053f289dea3fd159ac18d0030418650be0618220b29edd9 [2024-12-06 01:50:29,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:50:29,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:50:29,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:50:29,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:50:29,275 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:50:29,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i [2024-12-06 01:50:31,970 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/data/17ce3fe95/7f079702306b45898bf045dd103fef80/FLAG198874802 [2024-12-06 01:50:32,248 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:50:32,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i [2024-12-06 01:50:32,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/data/17ce3fe95/7f079702306b45898bf045dd103fef80/FLAG198874802 [2024-12-06 01:50:32,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/data/17ce3fe95/7f079702306b45898bf045dd103fef80 [2024-12-06 01:50:32,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:50:32,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:50:32,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:50:32,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:50:32,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:50:32,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:50:32" (1/1) ... [2024-12-06 01:50:32,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51aed66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:32, skipping insertion in model container [2024-12-06 01:50:32,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:50:32" (1/1) ... [2024-12-06 01:50:32,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:50:33,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:50:33,207 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:50:33,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:50:33,382 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:50:33,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33 WrapperNode [2024-12-06 01:50:33,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:50:33,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:50:33,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:50:33,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:50:33,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,426 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2024-12-06 01:50:33,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:50:33,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:50:33,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:50:33,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:50:33,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,444 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:50:33,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:50:33,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:50:33,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:50:33,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:50:33,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:50:33,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:50:33,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:50:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:50:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:50:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:50:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:50:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:50:33,634 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:50:33,636 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:50:33,742 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 01:50:33,742 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:50:33,798 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:50:33,799 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:50:33,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:50:33 BoogieIcfgContainer [2024-12-06 01:50:33,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:50:33,800 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:50:33,800 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:50:33,806 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:50:33,807 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:50:33" (1/1) ... [2024-12-06 01:50:33,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:50:33,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:33,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:50:33,849 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:50:33,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:50:33,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:33,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:50:33,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:50:33,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:50:33,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:50:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:50:34,007 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:50:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:50:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:50:34,108 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:50:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:50:34,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:50:34,139 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:50:34,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:50:34 ImpRootNode [2024-12-06 01:50:34,162 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:50:34,162 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:50:34,162 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:50:34,163 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:50:34,163 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:50:33" (3/4) ... [2024-12-06 01:50:34,164 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:50:34,201 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 01:50:34,242 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:50:34,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:50:34,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:50:34,244 INFO L158 Benchmark]: Toolchain (without parser) took 1724.60ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.5MB in the beginning and 102.7MB in the end (delta: -36.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-12-06 01:50:34,244 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:34,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 863.61ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 62.0MB in the end (delta: 4.3MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-06 01:50:34,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.37ms. Allocated memory is still 92.3MB. Free memory was 62.0MB in the beginning and 59.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:34,245 INFO L158 Benchmark]: Boogie Preprocessor took 26.18ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 57.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:34,245 INFO L158 Benchmark]: RCFGBuilder took 345.44ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 41.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:50:34,245 INFO L158 Benchmark]: CodeCheck took 362.11ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 41.2MB in the beginning and 107.4MB in the end (delta: -66.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:34,245 INFO L158 Benchmark]: Witness Printer took 80.50ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 102.7MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:34,247 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, 12 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1567]: integer overflow possible integer overflow possible We found a 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_51b_badSink(data) [L1567] 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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 863.61ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 62.0MB in the end (delta: 4.3MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.37ms. Allocated memory is still 92.3MB. Free memory was 62.0MB in the beginning and 59.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.18ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 57.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.44ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 41.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 362.11ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 41.2MB in the beginning and 107.4MB in the end (delta: -66.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.50ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 102.7MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:50:34,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2121fca1-c24c-4e16-a194-0b129375e83e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)