./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_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_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/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_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/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_77164b2e-7cf7-435f-8e08-3923a0f25e34/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 043bbbabb00f48e83c3163b3f8ff26f7d3d37050bf2e2384c4f60f56c073377c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:58:21,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:58:21,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:58:21,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:58:21,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:58:21,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:58:21,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:58:21,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:58:21,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:58:21,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:58:21,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:58:21,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:58:21,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:58:21,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:58:21,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:58:21,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:58:21,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:58:21,557 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:58:21,558 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:58:21,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:58:21,558 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:58:21,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:58:21,558 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:58:21,558 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:58:21,558 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:58:21,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:58:21,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:58:21,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:58:21,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:58:21,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:58:21,559 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:58:21,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:58:21,559 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_77164b2e-7cf7-435f-8e08-3923a0f25e34/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 -> 043bbbabb00f48e83c3163b3f8ff26f7d3d37050bf2e2384c4f60f56c073377c [2024-12-05 23:58:21,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:58:21,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:58:21,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:58:21,780 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:58:21,780 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:58:21,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i [2024-12-05 23:58:24,397 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/data/3bc635981/a479836e0f9b4b139e3399156ac9e6a9/FLAG81e9c1e7f [2024-12-05 23:58:24,662 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:58:24,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i [2024-12-05 23:58:24,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/data/3bc635981/a479836e0f9b4b139e3399156ac9e6a9/FLAG81e9c1e7f [2024-12-05 23:58:24,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/data/3bc635981/a479836e0f9b4b139e3399156ac9e6a9 [2024-12-05 23:58:24,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:58:24,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:58:24,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:58:24,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:58:24,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:58:24,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:58:24" (1/1) ... [2024-12-05 23:58:24,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c890d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:24, skipping insertion in model container [2024-12-05 23:58:24,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:58:24" (1/1) ... [2024-12-05 23:58:24,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:58:25,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:58:25,656 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:58:25,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:58:25,822 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:58:25,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25 WrapperNode [2024-12-05 23:58:25,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:58:25,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:58:25,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:58:25,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:58:25,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25" (1/1) ... [2024-12-05 23:58:25,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25" (1/1) ... [2024-12-05 23:58:25,860 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-12-05 23:58:25,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:58:25,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:58:25,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:58:25,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:58:25,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25" (1/1) ... [2024-12-05 23:58:25,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25" (1/1) ... [2024-12-05 23:58:25,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25" (1/1) ... [2024-12-05 23:58:25,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25" (1/1) ... [2024-12-05 23:58:25,876 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25" (1/1) ... [2024-12-05 23:58:25,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25" (1/1) ... [2024-12-05 23:58:25,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25" (1/1) ... [2024-12-05 23:58:25,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25" (1/1) ... [2024-12-05 23:58:25,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25" (1/1) ... [2024-12-05 23:58:25,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:58:25,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:58:25,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:58:25,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:58:25,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:25" (1/1) ... [2024-12-05 23:58:25,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:58:25,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:58:25,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:58:25,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:58:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:58:25,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:58:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:58:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:58:25,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:58:26,035 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:58:26,036 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:58:26,190 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-05 23:58:26,190 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:58:26,392 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:58:26,392 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:58:26,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:58:26 BoogieIcfgContainer [2024-12-05 23:58:26,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:58:26,393 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:58:26,393 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:58:26,402 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:58:26,402 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:58:26" (1/1) ... [2024-12-05 23:58:26,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:58:26,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:58:26,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-05 23:58:26,456 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-05 23:58:26,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:58:26,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:58:26,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:58:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:58:26,688 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:58:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:58:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:58:26,822 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:58:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:58:26,862 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:58:26,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:58:26 ImpRootNode [2024-12-05 23:58:26,894 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:58:26,895 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:58:26,895 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:58:26,895 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:58:26,895 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:58:26" (3/4) ... [2024-12-05 23:58:26,897 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:58:26,898 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:58:26,899 INFO L158 Benchmark]: Toolchain (without parser) took 1950.20ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 89.2MB in the beginning and 170.5MB in the end (delta: -81.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-12-05 23:58:26,900 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:58:26,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.54ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 79.7MB in the end (delta: 9.5MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-05 23:58:26,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.25ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:58:26,901 INFO L158 Benchmark]: Boogie Preprocessor took 22.21ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:58:26,901 INFO L158 Benchmark]: RCFGBuilder took 508.00ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 83.3MB in the end (delta: -7.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-05 23:58:26,901 INFO L158 Benchmark]: CodeCheck took 501.20ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 83.3MB in the beginning and 170.5MB in the end (delta: -87.2MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2024-12-05 23:58:26,902 INFO L158 Benchmark]: Witness Printer took 3.60ms. Allocated memory is still 201.3MB. Free memory is still 170.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:58:26,904 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_multiply_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 873.54ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 79.7MB in the end (delta: 9.5MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.25ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.21ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 508.00ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 83.3MB in the end (delta: -7.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * CodeCheck took 501.20ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 83.3MB in the beginning and 170.5MB in the end (delta: -87.2MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Witness Printer took 3.60ms. Allocated memory is still 201.3MB. Free memory is still 170.5MB. 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 23:58:26,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/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_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/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_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/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_77164b2e-7cf7-435f-8e08-3923a0f25e34/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 043bbbabb00f48e83c3163b3f8ff26f7d3d37050bf2e2384c4f60f56c073377c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:58:28,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:58:28,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 23:58:28,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:58:28,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:58:28,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:58:28,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:58:28,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:58:28,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:58:28,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:58:28,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:58:28,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:58:28,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:58:28,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:58:28,918 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:58:28,918 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:58:28,918 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:58:28,918 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:58:28,918 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:58:28,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:58:28,918 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:58:28,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:58:28,919 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:58:28,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:58:28,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:58:28,919 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:58:28,919 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:58:28,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:58:28,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:58:28,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:58:28,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:58:28,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:58:28,920 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:58:28,920 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:58:28,920 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:58:28,920 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_77164b2e-7cf7-435f-8e08-3923a0f25e34/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 -> 043bbbabb00f48e83c3163b3f8ff26f7d3d37050bf2e2384c4f60f56c073377c [2024-12-05 23:58:29,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:58:29,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:58:29,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:58:29,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:58:29,152 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:58:29,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i [2024-12-05 23:58:31,765 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/data/ec62a21ea/dde94482c1ad4de489aba27049ca0cc4/FLAGc4e480840 [2024-12-05 23:58:32,077 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:58:32,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_04_bad.i [2024-12-05 23:58:32,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/data/ec62a21ea/dde94482c1ad4de489aba27049ca0cc4/FLAGc4e480840 [2024-12-05 23:58:32,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/data/ec62a21ea/dde94482c1ad4de489aba27049ca0cc4 [2024-12-05 23:58:32,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:58:32,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:58:32,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:58:32,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:58:32,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:58:32,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:58:32" (1/1) ... [2024-12-05 23:58:32,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150b8936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:32, skipping insertion in model container [2024-12-05 23:58:32,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:58:32" (1/1) ... [2024-12-05 23:58:32,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:58:32,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:58:32,997 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:58:33,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:58:33,202 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:58:33,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33 WrapperNode [2024-12-05 23:58:33,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:58:33,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:58:33,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:58:33,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:58:33,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,245 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-12-05 23:58:33,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:58:33,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:58:33,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:58:33,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:58:33,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,263 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:58:33,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:58:33,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:58:33,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:58:33,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:58:33,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:58:33,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:58:33,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:58:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:58:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:58:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:58:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:58:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:58:33,434 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:58:33,435 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:58:33,537 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-05 23:58:33,537 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:58:33,593 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:58:33,593 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:58:33,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:58:33 BoogieIcfgContainer [2024-12-05 23:58:33,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:58:33,594 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:58:33,594 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:58:33,601 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:58:33,601 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:58:33" (1/1) ... [2024-12-05 23:58:33,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:58:33,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:58:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-05 23:58:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-05 23:58:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:58:33,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:58:33,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:58:33,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:58:33,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:58:33,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:58:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:58:33,792 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:58:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:58:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:58:33,891 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:58:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:58:33,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:58:33,922 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:58:33,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:58:33 ImpRootNode [2024-12-05 23:58:33,945 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:58:33,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:58:33,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:58:33,946 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:58:33,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:58:33" (3/4) ... [2024-12-05 23:58:33,948 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:58:33,982 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-05 23:58:34,018 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:58:34,018 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:58:34,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:58:34,019 INFO L158 Benchmark]: Toolchain (without parser) took 1662.84ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 50.5MB in the end (delta: 15.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-05 23:58:34,019 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:58:34,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 846.49ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 62.1MB in the end (delta: 3.7MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-05 23:58:34,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.97ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:58:34,021 INFO L158 Benchmark]: Boogie Preprocessor took 25.26ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 58.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:58:34,021 INFO L158 Benchmark]: RCFGBuilder took 321.11ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 40.0MB in the end (delta: 17.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:58:34,021 INFO L158 Benchmark]: CodeCheck took 351.25ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 55.6MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:58:34,022 INFO L158 Benchmark]: Witness Printer took 72.44ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 50.5MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:58:34,023 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1562]: 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_multiply_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 846.49ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 62.1MB in the end (delta: 3.7MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.97ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.26ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 58.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.11ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 40.0MB in the end (delta: 17.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 351.25ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 55.6MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.44ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 50.5MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:58:34,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77164b2e-7cf7-435f-8e08-3923a0f25e34/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)