./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm --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 29289bbaee339b4914ed65a137690dac8899e895927a5f12f2b95059d9217fde --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:32:48,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:32:49,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:32:49,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:32:49,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:32:49,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:32:49,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:32:49,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:32:49,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:32:49,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:32:49,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:32:49,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:32:49,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:32:49,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:32:49,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:32:49,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:32:49,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:32:49,060 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:32:49,060 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:32:49,060 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:32:49,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:32:49,060 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:32:49,060 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:32:49,060 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:32:49,061 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:32:49,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:32:49,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:49,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:32:49,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:32:49,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:32:49,061 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:32:49,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:32:49,061 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_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm 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 -> 29289bbaee339b4914ed65a137690dac8899e895927a5f12f2b95059d9217fde [2024-11-13 21:32:49,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:32:49,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:32:49,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:32:49,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:32:49,421 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:32:49,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i Unable to find full path for "g++" [2024-11-13 21:32:51,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:32:52,164 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:32:52,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i [2024-11-13 21:32:52,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/data/a89793fca/d30cc0234e2b48b2836b09e786dd4cef/FLAGc3777d1f7 [2024-11-13 21:32:52,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/data/a89793fca/d30cc0234e2b48b2836b09e786dd4cef [2024-11-13 21:32:52,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:32:52,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:32:52,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:52,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:32:52,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:32:52,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:52" (1/1) ... [2024-11-13 21:32:52,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595daee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:52, skipping insertion in model container [2024-11-13 21:32:52,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:52" (1/1) ... [2024-11-13 21:32:52,356 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:32:53,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:53,658 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:32:53,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:53,955 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:32:53,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:53 WrapperNode [2024-11-13 21:32:53,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:53,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:53,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:32:53,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:32:53,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:53" (1/1) ... [2024-11-13 21:32:53,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:53" (1/1) ... [2024-11-13 21:32:54,012 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-13 21:32:54,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:54,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:32:54,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:32:54,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:32:54,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:53" (1/1) ... [2024-11-13 21:32:54,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:53" (1/1) ... [2024-11-13 21:32:54,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:53" (1/1) ... [2024-11-13 21:32:54,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:53" (1/1) ... [2024-11-13 21:32:54,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:53" (1/1) ... [2024-11-13 21:32:54,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:53" (1/1) ... [2024-11-13 21:32:54,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:53" (1/1) ... [2024-11-13 21:32:54,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:53" (1/1) ... [2024-11-13 21:32:54,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:32:54,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:32:54,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:32:54,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:32:54,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:53" (1/1) ... [2024-11-13 21:32:54,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:54,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:32:54,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:32:54,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:32:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:32:54,115 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:32:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:32:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:32:54,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:32:54,272 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:32:54,274 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:32:54,540 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-13 21:32:54,540 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:32:54,804 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:32:54,804 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:32:54,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:54 BoogieIcfgContainer [2024-11-13 21:32:54,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:32:54,806 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:32:54,806 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:32:54,817 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:32:54,817 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:54" (1/1) ... [2024-11-13 21:32:54,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:32:54,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:32:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:32:54,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:32:54,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:54,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:32:55,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:32:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:32:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:32:55,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:32:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:32:55,602 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:32:55,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:32:55 ImpRootNode [2024-11-13 21:32:55,645 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:32:55,646 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:32:55,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:32:55,647 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:32:55,648 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:54" (3/4) ... [2024-11-13 21:32:55,652 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:32:55,653 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:32:55,654 INFO L158 Benchmark]: Toolchain (without parser) took 3403.68ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 94.9MB in the end (delta: 20.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-11-13 21:32:55,657 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:55,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1704.15ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 108.5MB in the end (delta: 7.2MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-13 21:32:55,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.18ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 105.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:55,658 INFO L158 Benchmark]: Boogie Preprocessor took 31.70ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.7MB in the end (delta: 842.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:32:55,659 INFO L158 Benchmark]: RCFGBuilder took 759.29ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 67.5MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:32:55,659 INFO L158 Benchmark]: CodeCheck took 839.40ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 94.9MB in the end (delta: -27.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:55,659 INFO L158 Benchmark]: Witness Printer took 7.05ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 94.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:55,665 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 7 NumberOfCodeBlocks, 7 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: 1576]: 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 1563, overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_rand_multiply_68_badData; [L1550] int CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=0, CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData=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) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=0, CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_multiply_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_multiply_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData=0, 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] [L1574] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData=0, 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] [L1576] data * 2 VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData=0, 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 0.34ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1704.15ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 108.5MB in the end (delta: 7.2MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.18ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 105.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.70ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.7MB in the end (delta: 842.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 759.29ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 67.5MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 839.40ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 94.9MB in the end (delta: -27.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.05ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 94.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:32:55,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/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_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm --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 29289bbaee339b4914ed65a137690dac8899e895927a5f12f2b95059d9217fde --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:32:58,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:32:58,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:32:58,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:32:58,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:32:58,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:32:58,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:32:58,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:32:58,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:32:58,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:32:58,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:32:58,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:32:58,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:32:58,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:32:58,765 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:32:58,766 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:32:58,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:32:58,766 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:32:58,766 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:32:58,766 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:32:58,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:32:58,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:32:58,766 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:32:58,767 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:32:58,767 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:32:58,767 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:58,767 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:32:58,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:32:58,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:58,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:32:58,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:32:58,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:32:58,767 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:32:58,768 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:58,768 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:32:58,768 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_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm 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 -> 29289bbaee339b4914ed65a137690dac8899e895927a5f12f2b95059d9217fde [2024-11-13 21:32:59,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:32:59,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:32:59,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:32:59,158 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:32:59,158 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:32:59,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i Unable to find full path for "g++" [2024-11-13 21:33:01,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:33:01,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:33:01,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i [2024-11-13 21:33:01,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/data/fb6f23992/c92acc0943034fb9ada8f128089609f0/FLAGf6b67ae46 [2024-11-13 21:33:01,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/data/fb6f23992/c92acc0943034fb9ada8f128089609f0 [2024-11-13 21:33:01,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:33:01,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:33:01,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:01,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:33:01,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:33:01,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:01" (1/1) ... [2024-11-13 21:33:01,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ace2a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:01, skipping insertion in model container [2024-11-13 21:33:01,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:01" (1/1) ... [2024-11-13 21:33:01,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:33:03,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:03,046 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:33:03,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:03,397 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:33:03,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:03 WrapperNode [2024-11-13 21:33:03,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:03,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:03,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:33:03,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:33:03,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:03" (1/1) ... [2024-11-13 21:33:03,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:03" (1/1) ... [2024-11-13 21:33:03,481 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-13 21:33:03,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:03,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:33:03,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:33:03,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:33:03,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:03" (1/1) ... [2024-11-13 21:33:03,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:03" (1/1) ... [2024-11-13 21:33:03,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:03" (1/1) ... [2024-11-13 21:33:03,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:03" (1/1) ... [2024-11-13 21:33:03,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:03" (1/1) ... [2024-11-13 21:33:03,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:03" (1/1) ... [2024-11-13 21:33:03,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:03" (1/1) ... [2024-11-13 21:33:03,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:03" (1/1) ... [2024-11-13 21:33:03,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:33:03,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:33:03,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:33:03,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:33:03,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:03" (1/1) ... [2024-11-13 21:33:03,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:03,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:33:03,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:33:03,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:33:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:33:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:33:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:33:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:33:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:33:03,871 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:33:03,873 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:33:04,096 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 21:33:04,096 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:33:04,215 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:33:04,217 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:33:04,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:04 BoogieIcfgContainer [2024-11-13 21:33:04,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:33:04,218 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:33:04,219 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:33:04,243 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:33:04,244 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:04" (1/1) ... [2024-11-13 21:33:04,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:33:04,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:04,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:33:04,305 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:33:04,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:33:04,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:04,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:33:04,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:33:04,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:33:04,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:33:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:04,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:33:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:04,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:33:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:04,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:33:04,840 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:33:04,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:33:04 ImpRootNode [2024-11-13 21:33:04,880 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:33:04,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:33:04,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:33:04,881 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:33:04,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:04" (3/4) ... [2024-11-13 21:33:04,886 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:33:04,886 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:33:04,887 INFO L158 Benchmark]: Toolchain (without parser) took 2996.83ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 38.8MB in the end (delta: 18.3MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-13 21:33:04,888 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:04,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1506.99ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.7MB in the end (delta: 6.1MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 21:33:04,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.18ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:04,889 INFO L158 Benchmark]: Boogie Preprocessor took 57.51ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:04,889 INFO L158 Benchmark]: RCFGBuilder took 676.87ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 29.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:33:04,890 INFO L158 Benchmark]: CodeCheck took 661.52ms. Allocated memory is still 83.9MB. Free memory was 29.1MB in the beginning and 39.2MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:04,890 INFO L158 Benchmark]: Witness Printer took 5.75ms. Allocated memory is still 83.9MB. Free memory was 39.2MB in the beginning and 38.8MB in the end (delta: 412.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:04,893 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 7 NumberOfCodeBlocks, 7 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: 1576]: 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 1563. 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_68_badData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=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) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_multiply_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_multiply_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=-1610612737, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1610612737, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=-1610612737, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1610612737, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] data * 2 VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=-1610612737, 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 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1506.99ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.7MB in the end (delta: 6.1MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.18ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.51ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 676.87ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 29.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 661.52ms. Allocated memory is still 83.9MB. Free memory was 29.1MB in the beginning and 39.2MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.75ms. Allocated memory is still 83.9MB. Free memory was 39.2MB in the beginning and 38.8MB in the end (delta: 412.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:33:04,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6cd957-b9fd-4e38-abd3-9fdce7ea8d3c/bin/ukojak-verify-EEHR8qb7sm/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