./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_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_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7816a20e2e7d55d784f2865970a3ca4a7f185dbfff6808b3fd0d54b3f019aa40 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:12:26,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:12:26,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:12:26,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:12:26,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:12:26,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:12:26,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:12:26,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:12:26,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:12:26,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:12:26,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:12:26,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:12:26,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:12:26,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:12:26,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:12:26,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:12:26,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:12:26,509 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:12:26,509 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:12:26,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:12:26,509 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:12:26,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:12:26,510 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:12:26,510 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:12:26,510 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:12:26,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:12:26,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:12:26,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:12:26,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:12:26,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:12:26,511 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:12:26,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:12:26,511 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_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7816a20e2e7d55d784f2865970a3ca4a7f185dbfff6808b3fd0d54b3f019aa40 [2024-12-05 22:12:26,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:12:26,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:12:26,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:12:26,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:12:26,736 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:12:26,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2024-12-05 22:12:29,533 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/data/6e55612ee/2408ecf79653450eb18649d12b27b528/FLAGf73146313 [2024-12-05 22:12:29,845 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:12:29,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2024-12-05 22:12:29,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/data/6e55612ee/2408ecf79653450eb18649d12b27b528/FLAGf73146313 [2024-12-05 22:12:30,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/data/6e55612ee/2408ecf79653450eb18649d12b27b528 [2024-12-05 22:12:30,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:12:30,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:12:30,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:12:30,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:12:30,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:12:30,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:30,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c1be28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30, skipping insertion in model container [2024-12-05 22:12:30,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:30,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:12:30,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:12:30,786 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:12:30,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:12:30,979 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:12:30,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30 WrapperNode [2024-12-05 22:12:30,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:12:30,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:12:30,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:12:30,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:12:30,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:31,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:31,015 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 97 [2024-12-05 22:12:31,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:12:31,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:12:31,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:12:31,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:12:31,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:31,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:31,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:31,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:31,030 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:31,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:31,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:31,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:31,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:31,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:12:31,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:12:31,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:12:31,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:12:31,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:30" (1/1) ... [2024-12-05 22:12:31,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:12:31,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:12:31,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:12:31,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:12:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:12:31,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:12:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:12:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:12:31,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:12:31,212 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:12:31,213 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:12:31,388 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-12-05 22:12:31,388 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:12:31,558 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:12:31,558 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:12:31,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:12:31 BoogieIcfgContainer [2024-12-05 22:12:31,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:12:31,559 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:12:31,559 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:12:31,568 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:12:31,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:12:31" (1/1) ... [2024-12-05 22:12:31,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:12:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:12:31,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 22:12:31,624 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 22:12:31,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:12:31,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:12:31,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:12:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:12:31,853 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:12:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:12:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:12:31,977 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:12:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:12:32,020 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:12:32,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:12:32 ImpRootNode [2024-12-05 22:12:32,047 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:12:32,048 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:12:32,048 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:12:32,048 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:12:32,049 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:12:31" (3/4) ... [2024-12-05 22:12:32,051 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:12:32,052 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:12:32,053 INFO L158 Benchmark]: Toolchain (without parser) took 1939.70ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 61.6MB in the end (delta: 28.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-12-05 22:12:32,054 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:12:32,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 866.15ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 81.4MB in the end (delta: 8.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-12-05 22:12:32,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.14ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.7MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:12:32,055 INFO L158 Benchmark]: Boogie Preprocessor took 20.80ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:12:32,056 INFO L158 Benchmark]: RCFGBuilder took 520.43ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 39.9MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:12:32,056 INFO L158 Benchmark]: CodeCheck took 487.86ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 62.3MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:12:32,057 INFO L158 Benchmark]: Witness Printer took 4.86ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 61.6MB in the end (delta: 788.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:12:32,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_52c_badSink(data) [L1571] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 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 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 866.15ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 81.4MB in the end (delta: 8.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.14ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.7MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.80ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 520.43ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 39.9MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 487.86ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 62.3MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.86ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 61.6MB in the end (delta: 788.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:12:32,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7816a20e2e7d55d784f2865970a3ca4a7f185dbfff6808b3fd0d54b3f019aa40 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:12:34,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:12:34,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:12:34,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:12:34,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:12:34,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:12:34,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:12:34,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:12:34,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:12:34,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:12:34,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:12:34,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:12:34,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:12:34,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:12:34,272 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:12:34,272 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:12:34,272 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:12:34,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:12:34,272 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:12:34,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:12:34,273 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:12:34,273 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:12:34,273 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:12:34,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:12:34,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:12:34,273 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:12:34,273 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:12:34,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:12:34,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:12:34,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:12:34,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:12:34,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:12:34,274 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:12:34,274 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:12:34,274 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:12:34,274 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_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7816a20e2e7d55d784f2865970a3ca4a7f185dbfff6808b3fd0d54b3f019aa40 [2024-12-05 22:12:34,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:12:34,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:12:34,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:12:34,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:12:34,543 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:12:34,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2024-12-05 22:12:37,394 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/data/978fd6f93/48dc5792f4464260a0db54e6c519c47c/FLAG084676232 [2024-12-05 22:12:37,687 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:12:37,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2024-12-05 22:12:37,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/data/978fd6f93/48dc5792f4464260a0db54e6c519c47c/FLAG084676232 [2024-12-05 22:12:37,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/data/978fd6f93/48dc5792f4464260a0db54e6c519c47c [2024-12-05 22:12:37,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:12:37,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:12:37,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:12:37,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:12:37,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:12:37,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:12:37" (1/1) ... [2024-12-05 22:12:37,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0cddc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:37, skipping insertion in model container [2024-12-05 22:12:37,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:12:37" (1/1) ... [2024-12-05 22:12:37,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:12:38,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:12:38,545 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:12:38,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:12:38,750 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:12:38,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38 WrapperNode [2024-12-05 22:12:38,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:12:38,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:12:38,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:12:38,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:12:38,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38" (1/1) ... [2024-12-05 22:12:38,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38" (1/1) ... [2024-12-05 22:12:38,797 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 57 [2024-12-05 22:12:38,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:12:38,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:12:38,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:12:38,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:12:38,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38" (1/1) ... [2024-12-05 22:12:38,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38" (1/1) ... [2024-12-05 22:12:38,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38" (1/1) ... [2024-12-05 22:12:38,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38" (1/1) ... [2024-12-05 22:12:38,814 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38" (1/1) ... [2024-12-05 22:12:38,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38" (1/1) ... [2024-12-05 22:12:38,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38" (1/1) ... [2024-12-05 22:12:38,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38" (1/1) ... [2024-12-05 22:12:38,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38" (1/1) ... [2024-12-05 22:12:38,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:12:38,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:12:38,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:12:38,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:12:38,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:38" (1/1) ... [2024-12-05 22:12:38,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:12:38,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:12:38,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:12:38,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:12:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:12:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:12:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:12:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:12:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:12:38,997 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:12:38,999 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:12:39,102 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-12-05 22:12:39,102 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:12:39,156 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:12:39,156 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:12:39,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:12:39 BoogieIcfgContainer [2024-12-05 22:12:39,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:12:39,158 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:12:39,158 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:12:39,168 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:12:39,168 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:12:39" (1/1) ... [2024-12-05 22:12:39,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:12:39,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:12:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 22:12:39,215 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 22:12:39,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:12:39,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:12:39,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:12:39,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:12:39,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:12:39,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:12:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:12:39,363 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:12:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:12:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:12:39,456 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:12:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:12:39,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:12:39,487 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:12:39,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:12:39 ImpRootNode [2024-12-05 22:12:39,511 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:12:39,512 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:12:39,512 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:12:39,512 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:12:39,513 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:12:39" (3/4) ... [2024-12-05 22:12:39,513 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:12:39,549 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-05 22:12:39,588 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:12:39,588 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:12:39,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:12:39,589 INFO L158 Benchmark]: Toolchain (without parser) took 1859.03ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 52.8MB in the end (delta: 13.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-12-05 22:12:39,589 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:12:39,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1019.52ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 62.3MB in the end (delta: 3.3MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-12-05 22:12:39,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.63ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 59.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:12:39,590 INFO L158 Benchmark]: Boogie Preprocessor took 25.39ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 57.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:12:39,590 INFO L158 Benchmark]: RCFGBuilder took 333.35ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 40.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:12:39,591 INFO L158 Benchmark]: CodeCheck took 353.64ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 57.7MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:12:39,591 INFO L158 Benchmark]: Witness Printer took 76.51ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 52.8MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:12:39,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1573]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_52c_badSink(data) [L1571] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 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 0.51ms. Allocated memory is still 83.9MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1019.52ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 62.3MB in the end (delta: 3.3MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.63ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 59.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.39ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 57.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.35ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 40.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 353.64ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 57.7MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 76.51ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 52.8MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:12:39,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e89cbb7e-d68f-4eac-9232-c0c1e8e668a9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)