./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3 --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 17247b2da04193b56d03093b99ba117a04871cc4a2947503ed889a6135af0678 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:35:32,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:35:32,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:35:32,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:35:32,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:35:33,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:35:33,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:35:33,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:35:33,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:35:33,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:35:33,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:35:33,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:35:33,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:35:33,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:35:33,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:35:33,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:35:33,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:35:33,016 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:35:33,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:35:33,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:35:33,016 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:35:33,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:35:33,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:35:33,016 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:35:33,016 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:35:33,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:35:33,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:35:33,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:35:33,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:35:33,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:35:33,019 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:35:33,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:35:33,019 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_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3 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 -> 17247b2da04193b56d03093b99ba117a04871cc4a2947503ed889a6135af0678 [2024-11-25 03:35:33,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:35:33,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:35:33,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:35:33,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:35:33,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:35:33,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i [2024-11-25 03:35:36,350 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/data/9bc8fd116/e052a2586c134c3fb9648664b8fa9cd9/FLAG22c4818ff [2024-11-25 03:35:36,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:35:36,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i [2024-11-25 03:35:36,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/data/9bc8fd116/e052a2586c134c3fb9648664b8fa9cd9/FLAG22c4818ff [2024-11-25 03:35:36,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/data/9bc8fd116/e052a2586c134c3fb9648664b8fa9cd9 [2024-11-25 03:35:36,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:35:36,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:35:36,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:35:36,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:35:36,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:35:36,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:35:36" (1/1) ... [2024-11-25 03:35:36,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f92ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:36, skipping insertion in model container [2024-11-25 03:35:36,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:35:36" (1/1) ... [2024-11-25 03:35:36,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:35:37,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:35:37,905 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:35:38,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:35:38,168 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:35:38,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38 WrapperNode [2024-11-25 03:35:38,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:35:38,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:35:38,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:35:38,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:35:38,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38" (1/1) ... [2024-11-25 03:35:38,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38" (1/1) ... [2024-11-25 03:35:38,244 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-11-25 03:35:38,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:35:38,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:35:38,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:35:38,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:35:38,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38" (1/1) ... [2024-11-25 03:35:38,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38" (1/1) ... [2024-11-25 03:35:38,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38" (1/1) ... [2024-11-25 03:35:38,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38" (1/1) ... [2024-11-25 03:35:38,264 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38" (1/1) ... [2024-11-25 03:35:38,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38" (1/1) ... [2024-11-25 03:35:38,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38" (1/1) ... [2024-11-25 03:35:38,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38" (1/1) ... [2024-11-25 03:35:38,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38" (1/1) ... [2024-11-25 03:35:38,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:35:38,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:35:38,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:35:38,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:35:38,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:38" (1/1) ... [2024-11-25 03:35:38,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:35:38,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:35:38,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:35:38,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:35:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:35:38,353 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:35:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:35:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:35:38,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:35:38,491 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:35:38,493 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:35:38,768 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 03:35:38,768 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:35:39,074 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:35:39,074 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:35:39,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:39 BoogieIcfgContainer [2024-11-25 03:35:39,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:35:39,075 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:35:39,075 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:35:39,085 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:35:39,085 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:39" (1/1) ... [2024-11-25 03:35:39,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:35:39,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:35:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:35:39,148 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:35:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:35:39,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:35:39,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:35:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:39,457 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:35:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:39,757 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:35:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:39,835 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:35:39,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:35:39 ImpRootNode [2024-11-25 03:35:39,866 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:35:39,866 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:35:39,866 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:35:39,867 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:35:39,871 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:39" (3/4) ... [2024-11-25 03:35:39,874 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:35:39,876 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:35:39,878 INFO L158 Benchmark]: Toolchain (without parser) took 2961.37ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 81.6MB in the beginning and 259.2MB in the end (delta: -177.6MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2024-11-25 03:35:39,878 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:39,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1252.58ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 72.1MB in the end (delta: 9.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 03:35:39,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.06ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 69.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:35:39,880 INFO L158 Benchmark]: Boogie Preprocessor took 23.00ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 68.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:39,882 INFO L158 Benchmark]: RCFGBuilder took 802.32ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 82.0MB in the end (delta: -14.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:35:39,884 INFO L158 Benchmark]: CodeCheck took 790.52ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 82.0MB in the beginning and 259.9MB in the end (delta: -177.9MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2024-11-25 03:35:39,884 INFO L158 Benchmark]: Witness Printer took 9.79ms. Allocated memory is still 293.6MB. Free memory was 259.9MB in the beginning and 259.2MB in the end (delta: 796.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:39,889 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1552. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_predec_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] --data 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 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1252.58ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 72.1MB in the end (delta: 9.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.06ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 69.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.00ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 68.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 802.32ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 82.0MB in the end (delta: -14.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 790.52ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 82.0MB in the beginning and 259.9MB in the end (delta: -177.9MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * Witness Printer took 9.79ms. Allocated memory is still 293.6MB. Free memory was 259.9MB in the beginning and 259.2MB in the end (delta: 796.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:35:39,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3 --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 17247b2da04193b56d03093b99ba117a04871cc4a2947503ed889a6135af0678 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:35:43,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:35:43,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:35:43,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:35:43,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:35:43,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:35:43,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:35:43,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:35:43,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:35:43,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:35:43,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:35:43,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:35:43,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:35:43,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:35:43,424 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:35:43,424 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:35:43,424 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:35:43,424 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:35:43,425 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:35:43,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:35:43,425 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:35:43,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:35:43,425 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:35:43,425 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:35:43,425 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:35:43,426 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:35:43,426 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:35:43,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:35:43,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:35:43,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:35:43,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:35:43,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:35:43,427 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:35:43,427 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:35:43,427 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:35:43,427 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_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3 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 -> 17247b2da04193b56d03093b99ba117a04871cc4a2947503ed889a6135af0678 [2024-11-25 03:35:43,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:35:43,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:35:43,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:35:43,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:35:43,797 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:35:43,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i [2024-11-25 03:35:46,851 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/data/c2226bd8a/23c90f07b47847a9a9ba61b8533c30bc/FLAG26611a162 [2024-11-25 03:35:47,348 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:35:47,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i [2024-11-25 03:35:47,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/data/c2226bd8a/23c90f07b47847a9a9ba61b8533c30bc/FLAG26611a162 [2024-11-25 03:35:47,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/data/c2226bd8a/23c90f07b47847a9a9ba61b8533c30bc [2024-11-25 03:35:47,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:35:47,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:35:47,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:35:47,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:35:47,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:35:47,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:35:47" (1/1) ... [2024-11-25 03:35:47,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4096d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:47, skipping insertion in model container [2024-11-25 03:35:47,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:35:47" (1/1) ... [2024-11-25 03:35:47,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:35:48,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:35:48,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:35:48,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:35:48,929 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:35:48,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48 WrapperNode [2024-11-25 03:35:48,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:35:48,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:35:48,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:35:48,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:35:48,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48" (1/1) ... [2024-11-25 03:35:48,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48" (1/1) ... [2024-11-25 03:35:48,980 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-25 03:35:48,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:35:48,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:35:48,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:35:48,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:35:48,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48" (1/1) ... [2024-11-25 03:35:48,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48" (1/1) ... [2024-11-25 03:35:48,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48" (1/1) ... [2024-11-25 03:35:48,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48" (1/1) ... [2024-11-25 03:35:48,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48" (1/1) ... [2024-11-25 03:35:49,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48" (1/1) ... [2024-11-25 03:35:49,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48" (1/1) ... [2024-11-25 03:35:49,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48" (1/1) ... [2024-11-25 03:35:49,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48" (1/1) ... [2024-11-25 03:35:49,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:35:49,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:35:49,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:35:49,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:35:49,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:48" (1/1) ... [2024-11-25 03:35:49,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:35:49,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:35:49,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:35:49,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:35:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:35:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:35:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:35:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:35:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:35:49,282 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:35:49,284 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:35:49,443 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 03:35:49,443 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:35:49,524 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:35:49,524 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:35:49,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:49 BoogieIcfgContainer [2024-11-25 03:35:49,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:35:49,526 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:35:49,526 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:35:49,545 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:35:49,545 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:49" (1/1) ... [2024-11-25 03:35:49,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:35:49,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:35:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:35:49,600 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:35:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:35:49,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:35:49,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:35:49,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:35:49,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:35:49,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:35:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:49,833 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:35:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:49,969 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:35:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:50,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:35:50,028 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:35:50,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:35:50 ImpRootNode [2024-11-25 03:35:50,066 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:35:50,067 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:35:50,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:35:50,068 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:35:50,071 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:49" (3/4) ... [2024-11-25 03:35:50,071 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:35:50,121 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 03:35:50,174 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:35:50,176 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:35:50,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:35:50,179 INFO L158 Benchmark]: Toolchain (without parser) took 2740.13ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 35.6MB in the end (delta: 21.3MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-25 03:35:50,181 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:50,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1490.45ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.8MB in the end (delta: 6.0MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 03:35:50,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.94ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 47.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:50,182 INFO L158 Benchmark]: Boogie Preprocessor took 26.84ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 46.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:50,182 INFO L158 Benchmark]: RCFGBuilder took 516.11ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 29.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:35:50,183 INFO L158 Benchmark]: CodeCheck took 540.08ms. Allocated memory is still 83.9MB. Free memory was 29.7MB in the beginning and 40.3MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:50,184 INFO L158 Benchmark]: Witness Printer took 109.09ms. Allocated memory is still 83.9MB. Free memory was 40.3MB in the beginning and 35.6MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:35:50,185 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1554]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_predec_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] --data 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 1.35ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1490.45ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.8MB in the end (delta: 6.0MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.94ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 47.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.84ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 46.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 516.11ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 29.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 540.08ms. Allocated memory is still 83.9MB. Free memory was 29.7MB in the beginning and 40.3MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 109.09ms. Allocated memory is still 83.9MB. Free memory was 40.3MB in the beginning and 35.6MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:35:50,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8bbc8d-7aac-4402-a859-7ed13f026c68/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)