./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68930d750a85cd6de42e1e9f2c43ae52b5b206e831fe8a4256a1d6e3e98fef9d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:44:30,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:44:30,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:44:30,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:44:30,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:44:30,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:44:30,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:44:30,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:44:30,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:44:30,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:44:30,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:44:30,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:44:30,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:44:30,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:44:30,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:44:30,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:44:30,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:44:30,825 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:44:30,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:44:30,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:44:30,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:44:30,828 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:44:30,829 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:44:30,830 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:44:30,831 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:44:30,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:44:30,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:30,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:44:30,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:44:30,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:44:30,834 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:44:30,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:44:30,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68930d750a85cd6de42e1e9f2c43ae52b5b206e831fe8a4256a1d6e3e98fef9d [2024-11-08 22:44:31,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:44:31,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:44:31,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:44:31,183 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:44:31,183 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:44:31,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i Unable to find full path for "g++" [2024-11-08 22:44:33,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:44:33,614 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:44:33,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i [2024-11-08 22:44:33,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/data/7836d0c31/02ecd3960e9e4f2ca86a0fa3d2ff02ab/FLAG22b1703ff [2024-11-08 22:44:33,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/data/7836d0c31/02ecd3960e9e4f2ca86a0fa3d2ff02ab [2024-11-08 22:44:33,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:44:33,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:44:33,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:33,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:44:33,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:44:33,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:33" (1/1) ... [2024-11-08 22:44:33,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f3febc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:33, skipping insertion in model container [2024-11-08 22:44:33,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:33" (1/1) ... [2024-11-08 22:44:33,742 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:44:34,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:34,895 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:44:35,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:35,178 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:44:35,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:35 WrapperNode [2024-11-08 22:44:35,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:35,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:35,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:44:35,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:44:35,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:35" (1/1) ... [2024-11-08 22:44:35,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:35" (1/1) ... [2024-11-08 22:44:35,249 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-11-08 22:44:35,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:35,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:44:35,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:44:35,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:44:35,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:35" (1/1) ... [2024-11-08 22:44:35,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:35" (1/1) ... [2024-11-08 22:44:35,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:35" (1/1) ... [2024-11-08 22:44:35,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:35" (1/1) ... [2024-11-08 22:44:35,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:35" (1/1) ... [2024-11-08 22:44:35,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:35" (1/1) ... [2024-11-08 22:44:35,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:35" (1/1) ... [2024-11-08 22:44:35,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:35" (1/1) ... [2024-11-08 22:44:35,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:44:35,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:44:35,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:44:35,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:44:35,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:35" (1/1) ... [2024-11-08 22:44:35,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:35,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:44:35,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:44:35,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:44:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:44:35,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:44:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:44:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:44:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:44:35,551 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:44:35,553 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:44:35,774 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-08 22:44:35,774 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:44:36,076 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:44:36,076 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:44:36,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:36 BoogieIcfgContainer [2024-11-08 22:44:36,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:44:36,079 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:44:36,079 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:44:36,090 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:44:36,090 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:36" (1/1) ... [2024-11-08 22:44:36,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:44:36,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:36,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:44:36,169 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:44:36,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:44:36,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:36,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:36,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:36,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:36,729 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:44:36,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:44:36 ImpRootNode [2024-11-08 22:44:36,770 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:44:36,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:44:36,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:44:36,773 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:44:36,774 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:36" (3/4) ... [2024-11-08 22:44:36,778 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:44:36,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:44:36,782 INFO L158 Benchmark]: Toolchain (without parser) took 3117.01ms. Allocated memory is still 148.9MB. Free memory was 107.2MB in the beginning and 67.6MB in the end (delta: 39.6MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-11-08 22:44:36,782 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:36,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1513.75ms. Allocated memory is still 148.9MB. Free memory was 107.2MB in the beginning and 80.3MB in the end (delta: 26.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-08 22:44:36,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.90ms. Allocated memory is still 148.9MB. Free memory was 79.9MB in the beginning and 76.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:44:36,786 INFO L158 Benchmark]: Boogie Preprocessor took 40.93ms. Allocated memory is still 148.9MB. Free memory was 76.8MB in the beginning and 74.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:36,787 INFO L158 Benchmark]: RCFGBuilder took 782.17ms. Allocated memory is still 148.9MB. Free memory was 74.8MB in the beginning and 105.4MB in the end (delta: -30.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-11-08 22:44:36,788 INFO L158 Benchmark]: CodeCheck took 691.18ms. Allocated memory is still 148.9MB. Free memory was 105.4MB in the beginning and 68.6MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 22:44:36,789 INFO L158 Benchmark]: Witness Printer took 9.53ms. Allocated memory is still 148.9MB. Free memory was 68.6MB in the beginning and 67.6MB in the end (delta: 978.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:36,793 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1551]: 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 1566, overapproximation of bitwiseOr at line 1560. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1551] --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 0.24ms. Allocated memory is still 102.8MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1513.75ms. Allocated memory is still 148.9MB. Free memory was 107.2MB in the beginning and 80.3MB in the end (delta: 26.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.90ms. Allocated memory is still 148.9MB. Free memory was 79.9MB in the beginning and 76.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.93ms. Allocated memory is still 148.9MB. Free memory was 76.8MB in the beginning and 74.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 782.17ms. Allocated memory is still 148.9MB. Free memory was 74.8MB in the beginning and 105.4MB in the end (delta: -30.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * CodeCheck took 691.18ms. Allocated memory is still 148.9MB. Free memory was 105.4MB in the beginning and 68.6MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 9.53ms. Allocated memory is still 148.9MB. Free memory was 68.6MB in the beginning and 67.6MB in the end (delta: 978.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:44:36,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68930d750a85cd6de42e1e9f2c43ae52b5b206e831fe8a4256a1d6e3e98fef9d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:44:39,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:44:39,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:44:39,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:44:39,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:44:39,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:44:39,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:44:39,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:44:39,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:44:39,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:44:39,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:44:39,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:44:39,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:44:39,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:44:39,487 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:44:39,489 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:44:39,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:44:39,493 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:44:39,493 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:44:39,493 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:44:39,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:44:39,494 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:44:39,494 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:44:39,494 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:44:39,495 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:44:39,495 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:39,495 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:44:39,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:44:39,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:39,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:44:39,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:44:39,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:44:39,497 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:44:39,497 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:39,497 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:44:39,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68930d750a85cd6de42e1e9f2c43ae52b5b206e831fe8a4256a1d6e3e98fef9d [2024-11-08 22:44:39,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:44:39,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:44:39,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:44:39,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:44:39,927 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:44:39,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i Unable to find full path for "g++" [2024-11-08 22:44:41,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:44:42,269 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:44:42,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i [2024-11-08 22:44:42,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/data/8b8310536/42e32ddc6a04474a8891454eba553140/FLAG05476a22f [2024-11-08 22:44:42,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/data/8b8310536/42e32ddc6a04474a8891454eba553140 [2024-11-08 22:44:42,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:44:42,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:44:42,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:42,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:44:42,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:44:42,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:42" (1/1) ... [2024-11-08 22:44:42,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d392b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:42, skipping insertion in model container [2024-11-08 22:44:42,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:42" (1/1) ... [2024-11-08 22:44:42,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:44:43,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:43,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:44:43,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:44,078 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:44:44,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:44 WrapperNode [2024-11-08 22:44:44,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:44,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:44,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:44:44,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:44:44,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:44" (1/1) ... [2024-11-08 22:44:44,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:44" (1/1) ... [2024-11-08 22:44:44,159 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-08 22:44:44,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:44,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:44:44,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:44:44,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:44:44,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:44" (1/1) ... [2024-11-08 22:44:44,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:44" (1/1) ... [2024-11-08 22:44:44,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:44" (1/1) ... [2024-11-08 22:44:44,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:44" (1/1) ... [2024-11-08 22:44:44,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:44" (1/1) ... [2024-11-08 22:44:44,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:44" (1/1) ... [2024-11-08 22:44:44,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:44" (1/1) ... [2024-11-08 22:44:44,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:44" (1/1) ... [2024-11-08 22:44:44,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:44:44,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:44:44,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:44:44,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:44:44,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:44" (1/1) ... [2024-11-08 22:44:44,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:44,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:44:44,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:44:44,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:44:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:44:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:44:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:44:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:44:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:44:44,511 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:44:44,514 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:44:44,749 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-08 22:44:44,749 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:44:44,863 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:44:44,864 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:44:44,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:44 BoogieIcfgContainer [2024-11-08 22:44:44,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:44:44,865 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:44:44,865 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:44:44,881 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:44:44,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:44" (1/1) ... [2024-11-08 22:44:44,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:44:44,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:44,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:44:44,980 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:44:44,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:44:44,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:44,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:44,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:44,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:44,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:44:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:45,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:45,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:45,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:45,508 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:44:45,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:44:45 ImpRootNode [2024-11-08 22:44:45,549 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:44:45,550 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:44:45,551 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:44:45,552 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:44:45,552 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:44" (3/4) ... [2024-11-08 22:44:45,557 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:44:45,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:44:45,560 INFO L158 Benchmark]: Toolchain (without parser) took 3235.24ms. Allocated memory was 69.2MB in the beginning and 119.5MB in the end (delta: 50.3MB). Free memory was 34.1MB in the beginning and 67.1MB in the end (delta: -33.0MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-11-08 22:44:45,561 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:45,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1737.58ms. Allocated memory was 69.2MB in the beginning and 119.5MB in the end (delta: 50.3MB). Free memory was 48.6MB in the beginning and 70.5MB in the end (delta: -21.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-08 22:44:45,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.35ms. Allocated memory is still 119.5MB. Free memory was 70.5MB in the beginning and 67.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:44:45,565 INFO L158 Benchmark]: Boogie Preprocessor took 39.26ms. Allocated memory is still 119.5MB. Free memory was 67.0MB in the beginning and 65.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:45,566 INFO L158 Benchmark]: RCFGBuilder took 664.42ms. Allocated memory is still 119.5MB. Free memory was 65.5MB in the beginning and 82.4MB in the end (delta: -17.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-08 22:44:45,567 INFO L158 Benchmark]: CodeCheck took 683.64ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 67.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:44:45,568 INFO L158 Benchmark]: Witness Printer took 9.67ms. Allocated memory is still 119.5MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:45,574 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1551]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1551] --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 0.34ms. Allocated memory is still 69.2MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1737.58ms. Allocated memory was 69.2MB in the beginning and 119.5MB in the end (delta: 50.3MB). Free memory was 48.6MB in the beginning and 70.5MB in the end (delta: -21.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.35ms. Allocated memory is still 119.5MB. Free memory was 70.5MB in the beginning and 67.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.26ms. Allocated memory is still 119.5MB. Free memory was 67.0MB in the beginning and 65.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 664.42ms. Allocated memory is still 119.5MB. Free memory was 65.5MB in the beginning and 82.4MB in the end (delta: -17.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * CodeCheck took 683.64ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 67.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 9.67ms. Allocated memory is still 119.5MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:44:45,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8d7b7-c5f8-42a2-bea8-8841882ae13e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample