./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/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_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/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_08eec0ca-39f6-42dd-a084-63be41b2fc3b/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 4a48cdf031c57045c6a520d4b526d2af3e1e042ffdcd7f12ec72dee2ba5a301d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:21:28,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:21:28,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:21:28,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:21:28,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:21:29,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:21:29,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:21:29,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:21:29,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:21:29,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:21:29,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:21:29,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:21:29,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:21:29,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:21:29,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:21:29,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:21:29,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:21:29,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:21:29,027 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:21:29,027 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:21:29,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:21:29,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:21:29,032 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:21:29,032 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:21:29,033 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:21:29,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:21:29,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:21:29,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:21:29,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:21:29,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:21:29,035 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:21:29,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:21:29,035 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_08eec0ca-39f6-42dd-a084-63be41b2fc3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a48cdf031c57045c6a520d4b526d2af3e1e042ffdcd7f12ec72dee2ba5a301d [2024-11-09 00:21:29,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:21:29,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:21:29,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:21:29,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:21:29,358 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:21:29,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i Unable to find full path for "g++" [2024-11-09 00:21:31,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:21:31,878 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:21:31,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i [2024-11-09 00:21:31,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/data/df62a724b/82f5f19a514d4d63a1624e401675bba8/FLAGb442e4a56 [2024-11-09 00:21:31,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/data/df62a724b/82f5f19a514d4d63a1624e401675bba8 [2024-11-09 00:21:31,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:21:31,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:21:31,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:21:31,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:21:31,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:21:31,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:21:31" (1/1) ... [2024-11-09 00:21:31,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0d3374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:31, skipping insertion in model container [2024-11-09 00:21:31,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:21:31" (1/1) ... [2024-11-09 00:21:32,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:21:33,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:21:33,122 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:21:33,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:21:33,435 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:21:33,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:33 WrapperNode [2024-11-09 00:21:33,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:21:33,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:21:33,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:21:33,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:21:33,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:33" (1/1) ... [2024-11-09 00:21:33,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:33" (1/1) ... [2024-11-09 00:21:33,497 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-11-09 00:21:33,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:21:33,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:21:33,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:21:33,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:21:33,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:33" (1/1) ... [2024-11-09 00:21:33,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:33" (1/1) ... [2024-11-09 00:21:33,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:33" (1/1) ... [2024-11-09 00:21:33,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:33" (1/1) ... [2024-11-09 00:21:33,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:33" (1/1) ... [2024-11-09 00:21:33,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:33" (1/1) ... [2024-11-09 00:21:33,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:33" (1/1) ... [2024-11-09 00:21:33,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:33" (1/1) ... [2024-11-09 00:21:33,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:21:33,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:21:33,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:21:33,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:21:33,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:33" (1/1) ... [2024-11-09 00:21:33,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:21:33,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:21:33,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:21:33,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:21:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:21:33,614 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:21:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:21:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:21:33,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:21:33,776 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:21:33,779 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:21:34,082 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-09 00:21:34,083 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:21:34,354 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:21:34,354 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:21:34,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:34 BoogieIcfgContainer [2024-11-09 00:21:34,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:21:34,355 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:21:34,356 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:21:34,366 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:21:34,367 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:34" (1/1) ... [2024-11-09 00:21:34,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:21:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:34,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:21:34,436 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:21:34,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:21:34,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:34,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:21:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:34,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:21:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:34,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:21:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:35,041 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:21:35,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:21:35 ImpRootNode [2024-11-09 00:21:35,081 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:21:35,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:21:35,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:21:35,085 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:21:35,086 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:34" (3/4) ... [2024-11-09 00:21:35,089 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:21:35,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:21:35,093 INFO L158 Benchmark]: Toolchain (without parser) took 3148.32ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 101.3MB in the beginning and 95.5MB in the end (delta: 5.7MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2024-11-09 00:21:35,094 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:21:35,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1489.12ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 100.9MB in the beginning and 121.7MB in the end (delta: -20.8MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-11-09 00:21:35,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.31ms. Allocated memory is still 184.5MB. Free memory was 121.7MB in the beginning and 118.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:21:35,097 INFO L158 Benchmark]: Boogie Preprocessor took 27.06ms. Allocated memory is still 184.5MB. Free memory was 118.4MB in the beginning and 117.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:21:35,100 INFO L158 Benchmark]: RCFGBuilder took 828.07ms. Allocated memory is still 184.5MB. Free memory was 117.1MB in the beginning and 132.4MB in the end (delta: -15.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 00:21:35,100 INFO L158 Benchmark]: CodeCheck took 725.46ms. Allocated memory is still 184.5MB. Free memory was 132.4MB in the beginning and 95.5MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-09 00:21:35,102 INFO L158 Benchmark]: Witness Printer took 8.71ms. Allocated memory is still 184.5MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:21:35,107 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: 0.7s, 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 1568, overapproximation of bitwiseOr at line 1554. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] 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] [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 0.23ms. Allocated memory is still 109.1MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1489.12ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 100.9MB in the beginning and 121.7MB in the end (delta: -20.8MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.31ms. Allocated memory is still 184.5MB. Free memory was 121.7MB in the beginning and 118.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.06ms. Allocated memory is still 184.5MB. Free memory was 118.4MB in the beginning and 117.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 828.07ms. Allocated memory is still 184.5MB. Free memory was 117.1MB in the beginning and 132.4MB in the end (delta: -15.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 725.46ms. Allocated memory is still 184.5MB. Free memory was 132.4MB in the beginning and 95.5MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 8.71ms. Allocated memory is still 184.5MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:21:35,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/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_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/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_08eec0ca-39f6-42dd-a084-63be41b2fc3b/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 4a48cdf031c57045c6a520d4b526d2af3e1e042ffdcd7f12ec72dee2ba5a301d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:21:37,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:21:37,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:21:37,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:21:37,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:21:37,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:21:37,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:21:37,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:21:37,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:21:37,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:21:37,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:21:37,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:21:37,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:21:37,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:21:37,795 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:21:37,795 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:21:37,796 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:21:37,796 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:21:37,796 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:21:37,796 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:21:37,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:21:37,801 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:21:37,801 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:21:37,801 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:21:37,802 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:21:37,802 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:37,802 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:21:37,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:21:37,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:21:37,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:21:37,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:21:37,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:21:37,804 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:21:37,804 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:37,808 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:21:37,808 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_08eec0ca-39f6-42dd-a084-63be41b2fc3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a48cdf031c57045c6a520d4b526d2af3e1e042ffdcd7f12ec72dee2ba5a301d [2024-11-09 00:21:38,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:21:38,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:21:38,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:21:38,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:21:38,235 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:21:38,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i Unable to find full path for "g++" [2024-11-09 00:21:40,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:21:40,630 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:21:40,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i [2024-11-09 00:21:40,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/data/f6667cab1/d3bc48eead754ee79503ef75659f0d02/FLAG87e1b8942 [2024-11-09 00:21:40,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/data/f6667cab1/d3bc48eead754ee79503ef75659f0d02 [2024-11-09 00:21:40,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:21:40,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:21:40,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:21:40,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:21:40,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:21:40,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:21:40" (1/1) ... [2024-11-09 00:21:40,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a09d9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:40, skipping insertion in model container [2024-11-09 00:21:40,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:21:40" (1/1) ... [2024-11-09 00:21:40,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:21:41,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:21:41,978 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:21:42,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:21:42,224 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:21:42,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42 WrapperNode [2024-11-09 00:21:42,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:21:42,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:21:42,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:21:42,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:21:42,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,313 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-09 00:21:42,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:21:42,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:21:42,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:21:42,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:21:42,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:21:42,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:21:42,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:21:42,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:21:42,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:21:42,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:21:42,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:21:42,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:21:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:21:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:21:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:21:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:21:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:21:42,646 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:21:42,648 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:21:42,851 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-09 00:21:42,853 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:21:42,963 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:21:42,966 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:21:42,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:42 BoogieIcfgContainer [2024-11-09 00:21:42,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:21:42,967 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:21:42,968 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:21:42,978 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:21:42,979 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:42" (1/1) ... [2024-11-09 00:21:42,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:21:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:21:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:21:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:21:43,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:43,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:43,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:43,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:43,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:21:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:43,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:21:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:43,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:21:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:43,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:21:43,523 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:21:43,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:21:43 ImpRootNode [2024-11-09 00:21:43,559 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:21:43,560 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:21:43,562 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:21:43,562 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:21:43,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:42" (3/4) ... [2024-11-09 00:21:43,566 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:21:43,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:21:43,568 INFO L158 Benchmark]: Toolchain (without parser) took 2876.32ms. Allocated memory is still 102.8MB. Free memory was 75.1MB in the beginning and 60.5MB in the end (delta: 14.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-09 00:21:43,569 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:21:43,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1531.94ms. Allocated memory is still 102.8MB. Free memory was 74.8MB in the beginning and 67.7MB in the end (delta: 7.1MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-11-09 00:21:43,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.62ms. Allocated memory is still 102.8MB. Free memory was 67.7MB in the beginning and 64.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:21:43,572 INFO L158 Benchmark]: Boogie Preprocessor took 55.87ms. Allocated memory is still 102.8MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:21:43,573 INFO L158 Benchmark]: RCFGBuilder took 592.94ms. Allocated memory is still 102.8MB. Free memory was 62.5MB in the beginning and 44.2MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:21:43,574 INFO L158 Benchmark]: CodeCheck took 591.77ms. Allocated memory is still 102.8MB. Free memory was 44.2MB in the beginning and 61.1MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:21:43,575 INFO L158 Benchmark]: Witness Printer took 7.51ms. Allocated memory is still 102.8MB. Free memory was 61.1MB in the beginning and 60.5MB in the end (delta: 603.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:21:43,578 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [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 0.36ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1531.94ms. Allocated memory is still 102.8MB. Free memory was 74.8MB in the beginning and 67.7MB in the end (delta: 7.1MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.62ms. Allocated memory is still 102.8MB. Free memory was 67.7MB in the beginning and 64.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.87ms. Allocated memory is still 102.8MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 592.94ms. Allocated memory is still 102.8MB. Free memory was 62.5MB in the beginning and 44.2MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 591.77ms. Allocated memory is still 102.8MB. Free memory was 44.2MB in the beginning and 61.1MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.51ms. Allocated memory is still 102.8MB. Free memory was 61.1MB in the beginning and 60.5MB in the end (delta: 603.9kB). 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 00:21:43,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08eec0ca-39f6-42dd-a084-63be41b2fc3b/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