./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_18_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_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/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_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/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_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/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 0cde81bf957ddac462130ac8769d0cf39027561cd9ee754d07668e857077a02c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:57:00,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:57:00,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:57:00,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:57:00,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:57:00,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:57:00,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:57:00,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:57:00,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:57:00,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:57:00,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:57:00,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:57:00,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:57:00,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:57:00,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:57:00,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:57:00,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:57:00,837 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:57:00,837 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:57:00,837 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:57:00,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:57:00,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:57:00,838 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:57:00,838 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:57:00,838 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:57:00,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:57:00,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:00,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:57:00,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:57:00,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:57:00,840 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:57:00,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:57:00,840 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_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/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 -> 0cde81bf957ddac462130ac8769d0cf39027561cd9ee754d07668e857077a02c [2024-11-13 22:57:01,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:57:01,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:57:01,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:57:01,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:57:01,190 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:57:01,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_18_bad.i Unable to find full path for "g++" [2024-11-13 22:57:03,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:57:03,568 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:57:03,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_18_bad.i [2024-11-13 22:57:03,608 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/data/0844d72ba/cd2609c3ebc3444f907f8a2bb7a83429/FLAG3eeb1e3c9 [2024-11-13 22:57:03,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/data/0844d72ba/cd2609c3ebc3444f907f8a2bb7a83429 [2024-11-13 22:57:03,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:57:03,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:57:03,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:03,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:57:03,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:57:03,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4541f7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03, skipping insertion in model container [2024-11-13 22:57:03,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:57:04,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:04,837 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:57:04,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:05,101 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:57:05,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05 WrapperNode [2024-11-13 22:57:05,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:05,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:05,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:57:05,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:57:05,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,180 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2024-11-13 22:57:05,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:05,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:57:05,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:57:05,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:57:05,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:57:05,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:57:05,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:57:05,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:57:05,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:05,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:57:05,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:57:05,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:57:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:57:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:57:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:57:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:57:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:57:05,491 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:57:05,493 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:57:05,715 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-13 22:57:05,716 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:57:05,993 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:57:05,993 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:57:05,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:05 BoogieIcfgContainer [2024-11-13 22:57:05,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:57:05,995 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:57:05,995 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:57:06,006 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:57:06,006 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:06,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:57:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:06,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:57:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:57:06,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:57:06,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:06,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:06,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:57:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:06,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:57:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:06,679 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:57:06,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:57:06 ImpRootNode [2024-11-13 22:57:06,717 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:57:06,717 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:57:06,718 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:57:06,718 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:57:06,718 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:05" (3/4) ... [2024-11-13 22:57:06,723 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:57:06,724 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:57:06,726 INFO L158 Benchmark]: Toolchain (without parser) took 3086.27ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 90.0MB in the end (delta: 26.2MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-13 22:57:06,726 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:06,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1460.85ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 107.5MB in the end (delta: 8.5MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-13 22:57:06,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.20ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 104.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:57:06,727 INFO L158 Benchmark]: Boogie Preprocessor took 38.59ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:06,728 INFO L158 Benchmark]: RCFGBuilder took 773.66ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 66.5MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:57:06,728 INFO L158 Benchmark]: CodeCheck took 722.35ms. Allocated memory is still 142.6MB. Free memory was 66.5MB in the beginning and 90.0MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:06,728 INFO L158 Benchmark]: Witness Printer took 7.02ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 90.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:06,735 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1558]: 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 1565, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_18_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] 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 1.49ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1460.85ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 107.5MB in the end (delta: 8.5MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.20ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 104.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.59ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 773.66ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 66.5MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 722.35ms. Allocated memory is still 142.6MB. Free memory was 66.5MB in the beginning and 90.0MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.02ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 90.0MB 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 22:57:06,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/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_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/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_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/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_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/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 0cde81bf957ddac462130ac8769d0cf39027561cd9ee754d07668e857077a02c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:57:10,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:57:10,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:57:10,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:57:10,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:57:10,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:57:10,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:57:10,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:57:10,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:57:10,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:57:10,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:57:10,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:57:10,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:57:10,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:57:10,454 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:57:10,454 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:57:10,455 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:57:10,455 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:57:10,455 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:57:10,455 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:57:10,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:57:10,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:57:10,460 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:57:10,460 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:57:10,460 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:57:10,460 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:57:10,460 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:57:10,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:57:10,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:10,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:57:10,461 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:57:10,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:57:10,461 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:57:10,461 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:57:10,461 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:57:10,461 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_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/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 -> 0cde81bf957ddac462130ac8769d0cf39027561cd9ee754d07668e857077a02c [2024-11-13 22:57:10,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:57:10,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:57:10,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:57:10,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:57:10,927 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:57:10,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_18_bad.i Unable to find full path for "g++" [2024-11-13 22:57:13,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:57:13,943 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:57:13,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_18_bad.i [2024-11-13 22:57:13,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/data/53be709a0/19db07e7a6154a8ebbc9f3cef2c887c0/FLAG17fb3cc04 [2024-11-13 22:57:14,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/data/53be709a0/19db07e7a6154a8ebbc9f3cef2c887c0 [2024-11-13 22:57:14,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:57:14,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:57:14,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:14,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:57:14,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:57:14,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:14" (1/1) ... [2024-11-13 22:57:14,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f5abb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:14, skipping insertion in model container [2024-11-13 22:57:14,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:14" (1/1) ... [2024-11-13 22:57:14,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:57:15,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:15,410 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:57:15,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:15,808 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:57:15,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:15 WrapperNode [2024-11-13 22:57:15,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:15,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:15,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:57:15,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:57:15,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:15" (1/1) ... [2024-11-13 22:57:15,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:15" (1/1) ... [2024-11-13 22:57:15,897 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 22:57:15,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:15,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:57:15,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:57:15,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:57:15,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:15" (1/1) ... [2024-11-13 22:57:15,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:15" (1/1) ... [2024-11-13 22:57:15,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:15" (1/1) ... [2024-11-13 22:57:15,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:15" (1/1) ... [2024-11-13 22:57:15,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:15" (1/1) ... [2024-11-13 22:57:15,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:15" (1/1) ... [2024-11-13 22:57:15,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:15" (1/1) ... [2024-11-13 22:57:15,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:15" (1/1) ... [2024-11-13 22:57:15,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:57:15,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:57:15,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:57:15,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:57:15,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:15" (1/1) ... [2024-11-13 22:57:15,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:16,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:57:16,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:57:16,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:57:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:57:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:57:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:57:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:57:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:57:16,284 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:57:16,286 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:57:16,467 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 22:57:16,467 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:57:16,581 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:57:16,581 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:57:16,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:16 BoogieIcfgContainer [2024-11-13 22:57:16,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:57:16,583 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:57:16,583 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:57:16,597 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:57:16,597 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:16" (1/1) ... [2024-11-13 22:57:16,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:57:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:57:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:57:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:57:16,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:16,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:57:16,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:57:16,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:57:16,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:57:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:16,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:57:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:17,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:57:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:17,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:57:17,289 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:57:17,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:57:17 ImpRootNode [2024-11-13 22:57:17,335 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:57:17,336 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:57:17,336 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:57:17,337 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:57:17,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:16" (3/4) ... [2024-11-13 22:57:17,341 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:57:17,342 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:57:17,343 INFO L158 Benchmark]: Toolchain (without parser) took 3316.70ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 83.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-13 22:57:17,344 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 83.9MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:17,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1781.85ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 78.7MB in the end (delta: 12.8MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 22:57:17,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.22ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 76.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:17,348 INFO L158 Benchmark]: Boogie Preprocessor took 64.85ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:17,348 INFO L158 Benchmark]: RCFGBuilder took 616.04ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 57.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:57:17,349 INFO L158 Benchmark]: CodeCheck took 752.37ms. Allocated memory is still 117.4MB. Free memory was 57.3MB in the beginning and 84.0MB in the end (delta: -26.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:17,349 INFO L158 Benchmark]: Witness Printer took 5.88ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 83.9MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:17,352 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1558]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_18_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] 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 0.58ms. Allocated memory is still 83.9MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1781.85ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 78.7MB in the end (delta: 12.8MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.22ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 76.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.85ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 616.04ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 57.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 752.37ms. Allocated memory is still 117.4MB. Free memory was 57.3MB in the beginning and 84.0MB in the end (delta: -26.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.88ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 83.9MB in the end (delta: 19.3kB). 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 22:57:17,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b3a47-dfc3-454a-bb25-cca59fef0bdd/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