./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_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_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a48bffd8a7308be9046d820e21c7a474ff74f6db027c73c91166d65332900659 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:51:20,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:51:20,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:51:20,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:51:20,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:51:20,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:51:20,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:51:20,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:51:20,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:51:20,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:51:20,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:51:20,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:51:20,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:51:20,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:51:20,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:51:20,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:51:20,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:51:20,187 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:51:20,188 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:51:20,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:51:20,188 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:51:20,188 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:51:20,188 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:51:20,188 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:51:20,188 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:51:20,189 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:51:20,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:20,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:51:20,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:51:20,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:51:20,189 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:51:20,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:51:20,189 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_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a48bffd8a7308be9046d820e21c7a474ff74f6db027c73c91166d65332900659 [2024-11-25 04:51:20,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:51:20,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:51:20,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:51:20,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:51:20,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:51:20,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2024-11-25 04:51:23,575 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/data/08baaba3e/1b4962704ddb498c92b54d7b419efc9d/FLAGdc613e99b [2024-11-25 04:51:24,132 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:51:24,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2024-11-25 04:51:24,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/data/08baaba3e/1b4962704ddb498c92b54d7b419efc9d/FLAGdc613e99b [2024-11-25 04:51:24,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/data/08baaba3e/1b4962704ddb498c92b54d7b419efc9d [2024-11-25 04:51:24,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:51:24,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:51:24,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:24,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:51:24,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:51:24,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:24" (1/1) ... [2024-11-25 04:51:24,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e8f2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:24, skipping insertion in model container [2024-11-25 04:51:24,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:24" (1/1) ... [2024-11-25 04:51:24,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:51:25,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:25,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:51:25,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:26,027 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:51:26,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26 WrapperNode [2024-11-25 04:51:26,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:26,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:26,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:51:26,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:51:26,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,082 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2024-11-25 04:51:26,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:26,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:51:26,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:51:26,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:51:26,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,098 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:51:26,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:51:26,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:51:26,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:51:26,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:26,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:51:26,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:51:26,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:51:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:51:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:51:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:51:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:51:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:51:26,313 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:51:26,314 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:51:26,527 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-25 04:51:26,527 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:51:26,869 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:51:26,869 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:51:26,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:26 BoogieIcfgContainer [2024-11-25 04:51:26,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:51:26,871 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:51:26,871 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:51:26,882 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:51:26,883 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:51:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 04:51:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:51:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:51:26,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:26,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:51:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:27,437 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:51:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:27,639 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:51:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:27,698 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:51:27,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:51:27 ImpRootNode [2024-11-25 04:51:27,746 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:51:27,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:51:27,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:51:27,748 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:51:27,752 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:26" (3/4) ... [2024-11-25 04:51:27,755 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:51:27,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:51:27,757 INFO L158 Benchmark]: Toolchain (without parser) took 3110.30ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 51.0MB in the end (delta: 39.6MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2024-11-25 04:51:27,757 INFO L158 Benchmark]: CDTParser took 1.58ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:27,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1381.04ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 83.3MB in the end (delta: 7.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-25 04:51:27,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.36ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 80.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:27,760 INFO L158 Benchmark]: Boogie Preprocessor took 22.84ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:27,761 INFO L158 Benchmark]: RCFGBuilder took 763.59ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 41.1MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:51:27,761 INFO L158 Benchmark]: CodeCheck took 875.68ms. Allocated memory is still 117.4MB. Free memory was 41.1MB in the beginning and 51.0MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:27,761 INFO L158 Benchmark]: Witness Printer took 8.49ms. Allocated memory is still 117.4MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:27,771 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: 0.8s, 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: 1583]: 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_54_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_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_multiply_54e_badSink(data) [L1581] 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] [L1583] 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 1.58ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1381.04ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 83.3MB in the end (delta: 7.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.36ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 80.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.84ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 763.59ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 41.1MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 875.68ms. Allocated memory is still 117.4MB. Free memory was 41.1MB in the beginning and 51.0MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.49ms. Allocated memory is still 117.4MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:51:27,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a48bffd8a7308be9046d820e21c7a474ff74f6db027c73c91166d65332900659 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:51:30,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:51:31,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:51:31,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:51:31,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:51:31,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:51:31,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:51:31,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:51:31,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:51:31,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:51:31,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:51:31,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:51:31,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:51:31,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:51:31,113 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:51:31,113 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:51:31,113 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:51:31,113 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:51:31,114 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:51:31,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:51:31,114 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:51:31,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:51:31,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:51:31,115 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:51:31,115 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:51:31,115 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:31,115 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:51:31,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:51:31,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:31,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:51:31,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:51:31,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:51:31,116 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:51:31,116 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:31,117 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:51:31,117 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_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a48bffd8a7308be9046d820e21c7a474ff74f6db027c73c91166d65332900659 [2024-11-25 04:51:31,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:51:31,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:51:31,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:51:31,530 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:51:31,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:51:31,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2024-11-25 04:51:34,944 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/data/1293fbd67/01539bbebf8c421e90799bd7f9cb5ca7/FLAG2cb31f3ca [2024-11-25 04:51:35,456 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:51:35,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2024-11-25 04:51:35,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/data/1293fbd67/01539bbebf8c421e90799bd7f9cb5ca7/FLAG2cb31f3ca [2024-11-25 04:51:35,525 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/data/1293fbd67/01539bbebf8c421e90799bd7f9cb5ca7 [2024-11-25 04:51:35,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:51:35,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:51:35,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:35,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:51:35,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:51:35,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:35" (1/1) ... [2024-11-25 04:51:35,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfa7d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:35, skipping insertion in model container [2024-11-25 04:51:35,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:35" (1/1) ... [2024-11-25 04:51:35,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:51:36,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:36,734 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:51:36,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:37,107 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:51:37,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37 WrapperNode [2024-11-25 04:51:37,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:37,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:37,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:51:37,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:51:37,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,191 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61 [2024-11-25 04:51:37,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:37,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:51:37,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:51:37,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:51:37,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,231 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:51:37,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:51:37,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:51:37,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:51:37,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:37,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:51:37,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:51:37,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:51:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:51:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:51:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:51:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:51:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:51:37,480 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:51:37,482 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:51:37,651 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-25 04:51:37,651 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:51:37,789 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:51:37,790 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:51:37,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:37 BoogieIcfgContainer [2024-11-25 04:51:37,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:51:37,792 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:51:37,792 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:51:37,803 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:51:37,803 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:51:37,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:37,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 04:51:37,865 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:51:37,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:51:37,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:37,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:37,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:37,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:37,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:51:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:38,082 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:51:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:38,203 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:51:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:38,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:51:38,260 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:51:38,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:51:38 ImpRootNode [2024-11-25 04:51:38,303 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:51:38,305 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:51:38,305 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:51:38,305 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:51:38,307 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:37" (3/4) ... [2024-11-25 04:51:38,308 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:51:38,371 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 10. [2024-11-25 04:51:38,450 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:51:38,451 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:51:38,451 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:51:38,455 INFO L158 Benchmark]: Toolchain (without parser) took 2920.49ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 34.3MB in the end (delta: 22.9MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:38,455 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:38,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1575.60ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.4MB in the end (delta: 6.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:38,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.92ms. Allocated memory is still 83.9MB. Free memory was 50.4MB in the beginning and 47.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:38,456 INFO L158 Benchmark]: Boogie Preprocessor took 56.94ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 45.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:38,457 INFO L158 Benchmark]: RCFGBuilder took 539.24ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 52.4MB in the end (delta: -6.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-25 04:51:38,457 INFO L158 Benchmark]: CodeCheck took 510.90ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 39.0MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:38,457 INFO L158 Benchmark]: Witness Printer took 146.49ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 34.3MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:38,460 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 - CounterExampleResult [Line: 1583]: 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_54_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_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_multiply_54e_badSink(data) [L1581] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] 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 0.62ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1575.60ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.4MB in the end (delta: 6.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.92ms. Allocated memory is still 83.9MB. Free memory was 50.4MB in the beginning and 47.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.94ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 45.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 539.24ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 52.4MB in the end (delta: -6.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * CodeCheck took 510.90ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 39.0MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 146.49ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 34.3MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:51:38,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2bab49-cdaf-4c77-a280-25b1a33e2d3c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)