./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:44:44,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:44:44,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:44:44,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:44:44,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:44:44,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:44:44,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:44:44,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:44:44,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:44:44,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:44:44,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:44:44,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:44:44,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:44:44,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:44:44,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:44:44,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:44:44,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:44:44,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:44:44,614 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:44:44,618 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:44:44,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:44:44,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:44:44,619 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:44:44,620 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:44:44,620 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:44:44,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:44:44,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:44:44,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:44:44,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:44:44,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:44:44,622 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:44:44,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:44:44,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 [2024-11-09 00:44:44,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:44:44,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:44:44,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:44:44,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:44:44,947 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:44:44,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i Unable to find full path for "g++" [2024-11-09 00:44:46,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:44:47,290 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:44:47,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2024-11-09 00:44:47,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/data/089cb0c3b/6ae69f9066444b09bf8342b6b917a031/FLAG30da5198a [2024-11-09 00:44:47,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/data/089cb0c3b/6ae69f9066444b09bf8342b6b917a031 [2024-11-09 00:44:47,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:44:47,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:44:47,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:44:47,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:44:47,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:44:47,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:44:47" (1/1) ... [2024-11-09 00:44:47,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2397ab52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:47, skipping insertion in model container [2024-11-09 00:44:47,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:44:47" (1/1) ... [2024-11-09 00:44:47,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:44:48,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:44:48,472 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:44:48,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:44:48,702 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:44:48,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:48 WrapperNode [2024-11-09 00:44:48,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:44:48,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:44:48,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:44:48,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:44:48,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:48" (1/1) ... [2024-11-09 00:44:48,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:48" (1/1) ... [2024-11-09 00:44:48,778 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-11-09 00:44:48,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:44:48,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:44:48,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:44:48,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:44:48,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:48" (1/1) ... [2024-11-09 00:44:48,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:48" (1/1) ... [2024-11-09 00:44:48,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:48" (1/1) ... [2024-11-09 00:44:48,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:48" (1/1) ... [2024-11-09 00:44:48,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:48" (1/1) ... [2024-11-09 00:44:48,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:48" (1/1) ... [2024-11-09 00:44:48,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:48" (1/1) ... [2024-11-09 00:44:48,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:48" (1/1) ... [2024-11-09 00:44:48,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:44:48,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:44:48,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:44:48,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:44:48,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:48" (1/1) ... [2024-11-09 00:44:48,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:44:48,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:44:48,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:44:48,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:44:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:44:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:44:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:44:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:44:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:44:49,087 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:44:49,089 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:44:49,357 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-09 00:44:49,358 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:44:49,643 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:44:49,644 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:44:49,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:44:49 BoogieIcfgContainer [2024-11-09 00:44:49,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:44:49,645 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:44:49,645 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:44:49,656 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:44:49,657 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:44:49" (1/1) ... [2024-11-09 00:44:49,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:44:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:49,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:44:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:44:49,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:44:49,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:49,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:44:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:44:49,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:44:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:44:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:44:50,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:44:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:44:50,230 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:44:50,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:44:50 ImpRootNode [2024-11-09 00:44:50,265 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:44:50,267 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:44:50,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:44:50,269 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:44:50,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:44:49" (3/4) ... [2024-11-09 00:44:50,273 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:44:50,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:44:50,276 INFO L158 Benchmark]: Toolchain (without parser) took 2936.97ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 70.5MB in the end (delta: 43.7MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-11-09 00:44:50,276 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 79.2MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:44:50,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1362.65ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 90.0MB in the end (delta: 24.3MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-11-09 00:44:50,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.85ms. Allocated memory is still 155.2MB. Free memory was 90.0MB in the beginning and 86.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:44:50,281 INFO L158 Benchmark]: Boogie Preprocessor took 25.21ms. Allocated memory is still 155.2MB. Free memory was 86.8MB in the beginning and 85.8MB in the end (delta: 947.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:44:50,282 INFO L158 Benchmark]: RCFGBuilder took 836.27ms. Allocated memory is still 155.2MB. Free memory was 85.6MB in the beginning and 103.0MB in the end (delta: -17.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 00:44:50,282 INFO L158 Benchmark]: CodeCheck took 619.95ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 71.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 00:44:50,283 INFO L158 Benchmark]: Witness Printer took 7.75ms. Allocated memory is still 155.2MB. Free memory was 71.5MB in the beginning and 70.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:44:50,290 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567, overapproximation of bitwiseOr at line 1550. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] 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 0.28ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 79.2MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1362.65ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 90.0MB in the end (delta: 24.3MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.85ms. Allocated memory is still 155.2MB. Free memory was 90.0MB in the beginning and 86.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.21ms. Allocated memory is still 155.2MB. Free memory was 86.8MB in the beginning and 85.8MB in the end (delta: 947.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 836.27ms. Allocated memory is still 155.2MB. Free memory was 85.6MB in the beginning and 103.0MB in the end (delta: -17.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 619.95ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 71.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 7.75ms. Allocated memory is still 155.2MB. Free memory was 71.5MB in the beginning and 70.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:44:50,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:44:52,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:44:52,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:44:52,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:44:52,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:44:52,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:44:52,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:44:52,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:44:52,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:44:52,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:44:52,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:44:52,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:44:52,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:44:52,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:44:52,973 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:44:52,974 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:44:52,974 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:44:52,975 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:44:52,975 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:44:52,975 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:44:52,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:44:52,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:44:52,979 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:44:52,979 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:44:52,980 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:44:52,980 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:44:52,980 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:44:52,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:44:52,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:44:52,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:44:52,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:44:52,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:44:52,983 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:44:52,983 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:44:52,984 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:44:52,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 [2024-11-09 00:44:53,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:44:53,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:44:53,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:44:53,406 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:44:53,408 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:44:53,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i Unable to find full path for "g++" [2024-11-09 00:44:55,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:44:55,941 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:44:55,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2024-11-09 00:44:55,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/data/4c494ddff/61b130e1ffa14991ab8f5950e28b6819/FLAG686155796 [2024-11-09 00:44:56,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/data/4c494ddff/61b130e1ffa14991ab8f5950e28b6819 [2024-11-09 00:44:56,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:44:56,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:44:56,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:44:56,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:44:56,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:44:56,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:44:56" (1/1) ... [2024-11-09 00:44:56,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0c6a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:56, skipping insertion in model container [2024-11-09 00:44:56,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:44:56" (1/1) ... [2024-11-09 00:44:56,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:44:57,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:44:57,051 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:44:57,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:44:57,310 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:44:57,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:57 WrapperNode [2024-11-09 00:44:57,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:44:57,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:44:57,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:44:57,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:44:57,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:57" (1/1) ... [2024-11-09 00:44:57,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:57" (1/1) ... [2024-11-09 00:44:57,375 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-09 00:44:57,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:44:57,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:44:57,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:44:57,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:44:57,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:57" (1/1) ... [2024-11-09 00:44:57,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:57" (1/1) ... [2024-11-09 00:44:57,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:57" (1/1) ... [2024-11-09 00:44:57,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:57" (1/1) ... [2024-11-09 00:44:57,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:57" (1/1) ... [2024-11-09 00:44:57,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:57" (1/1) ... [2024-11-09 00:44:57,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:57" (1/1) ... [2024-11-09 00:44:57,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:57" (1/1) ... [2024-11-09 00:44:57,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:44:57,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:44:57,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:44:57,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:44:57,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:57" (1/1) ... [2024-11-09 00:44:57,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:44:57,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:44:57,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:44:57,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:44:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:44:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:44:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:44:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:44:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:44:57,674 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:44:57,676 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:44:57,833 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-09 00:44:57,834 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:44:57,920 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:44:57,920 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:44:57,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:44:57 BoogieIcfgContainer [2024-11-09 00:44:57,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:44:57,922 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:44:57,922 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:44:57,933 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:44:57,934 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:44:57" (1/1) ... [2024-11-09 00:44:57,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:44:57,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:44:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:44:58,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:44:58,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:58,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:44:58,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:44:58,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:44:58,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:44:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:44:58,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:44:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:44:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:44:58,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:44:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:44:58,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:44:58,477 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:44:58,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:44:58 ImpRootNode [2024-11-09 00:44:58,512 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:44:58,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:44:58,513 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:44:58,514 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:44:58,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:44:57" (3/4) ... [2024-11-09 00:44:58,517 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:44:58,518 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:44:58,520 INFO L158 Benchmark]: Toolchain (without parser) took 2490.20ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.6MB in the beginning and 36.6MB in the end (delta: 11.0MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-09 00:44:58,520 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:44:58,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1280.84ms. Allocated memory is still 75.5MB. Free memory was 47.4MB in the beginning and 39.2MB in the end (delta: 8.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 00:44:58,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.25ms. Allocated memory is still 75.5MB. Free memory was 39.2MB in the beginning and 36.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:44:58,522 INFO L158 Benchmark]: Boogie Preprocessor took 31.65ms. Allocated memory is still 75.5MB. Free memory was 36.1MB in the beginning and 34.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:44:58,523 INFO L158 Benchmark]: RCFGBuilder took 512.04ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 34.3MB in the beginning and 51.9MB in the end (delta: -17.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-11-09 00:44:58,524 INFO L158 Benchmark]: CodeCheck took 590.78ms. Allocated memory is still 92.3MB. Free memory was 51.9MB in the beginning and 37.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:44:58,525 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 92.3MB. Free memory was 37.2MB in the beginning and 36.6MB in the end (delta: 519.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:44:58,529 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] 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] [L1560] 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 0.35ms. Allocated memory is still 60.8MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1280.84ms. Allocated memory is still 75.5MB. Free memory was 47.4MB in the beginning and 39.2MB in the end (delta: 8.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.25ms. Allocated memory is still 75.5MB. Free memory was 39.2MB in the beginning and 36.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.65ms. Allocated memory is still 75.5MB. Free memory was 36.1MB in the beginning and 34.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.04ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 34.3MB in the beginning and 51.9MB in the end (delta: -17.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * CodeCheck took 590.78ms. Allocated memory is still 92.3MB. Free memory was 51.9MB in the beginning and 37.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 92.3MB. Free memory was 37.2MB in the beginning and 36.6MB in the end (delta: 519.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:44:58,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cfef33-0586-4061-b82e-7d457beb68e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample