./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_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_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/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_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/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_c390514c-32dd-4521-8465-356f378957a2/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 3c00dc5715f8de2d187a6d98d3c5907392922aa0461e0f9d48047533c43080f8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:16:19,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:16:19,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:16:19,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:16:19,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:16:19,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:16:19,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:16:19,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:16:19,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:16:19,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:16:19,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:16:19,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:16:19,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:16:19,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:16:19,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:16:19,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:16:19,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:16:19,527 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:16:19,527 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:16:19,527 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:16:19,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:16:19,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:16:19,531 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:16:19,531 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:16:19,532 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:16:19,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:16:19,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:16:19,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:16:19,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:16:19,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:16:19,534 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:16:19,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:16:19,535 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_c390514c-32dd-4521-8465-356f378957a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c00dc5715f8de2d187a6d98d3c5907392922aa0461e0f9d48047533c43080f8 [2024-11-08 22:16:19,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:16:19,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:16:19,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:16:19,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:16:19,831 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:16:19,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i Unable to find full path for "g++" [2024-11-08 22:16:21,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:16:22,160 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:16:22,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i [2024-11-08 22:16:22,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/data/162cf06bd/16709134d8b94013b0b32dd2b30e3896/FLAG938bbdc4d [2024-11-08 22:16:22,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/data/162cf06bd/16709134d8b94013b0b32dd2b30e3896 [2024-11-08 22:16:22,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:16:22,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:16:22,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:16:22,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:16:22,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:16:22,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:16:22" (1/1) ... [2024-11-08 22:16:22,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738aa4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:22, skipping insertion in model container [2024-11-08 22:16:22,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:16:22" (1/1) ... [2024-11-08 22:16:22,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:16:23,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:16:23,602 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:16:23,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:16:23,983 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:16:23,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:23 WrapperNode [2024-11-08 22:16:23,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:16:23,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:16:23,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:16:23,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:16:23,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:23" (1/1) ... [2024-11-08 22:16:24,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:23" (1/1) ... [2024-11-08 22:16:24,065 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-08 22:16:24,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:16:24,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:16:24,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:16:24,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:16:24,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:23" (1/1) ... [2024-11-08 22:16:24,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:23" (1/1) ... [2024-11-08 22:16:24,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:23" (1/1) ... [2024-11-08 22:16:24,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:23" (1/1) ... [2024-11-08 22:16:24,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:23" (1/1) ... [2024-11-08 22:16:24,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:23" (1/1) ... [2024-11-08 22:16:24,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:23" (1/1) ... [2024-11-08 22:16:24,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:23" (1/1) ... [2024-11-08 22:16:24,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:16:24,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:16:24,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:16:24,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:16:24,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:23" (1/1) ... [2024-11-08 22:16:24,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:16:24,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:16:24,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:16:24,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:16:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:16:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:16:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:16:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:16:24,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:16:24,338 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:16:24,341 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:16:24,563 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-08 22:16:24,563 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:16:24,825 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:16:24,825 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:16:24,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:24 BoogieIcfgContainer [2024-11-08 22:16:24,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:16:24,826 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:16:24,828 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:16:24,838 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:16:24,839 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:24" (1/1) ... [2024-11-08 22:16:24,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:16:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:16:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:16:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:16:24,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:24,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:16:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:25,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:16:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:25,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:16:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:25,526 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:16:25,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:16:25 ImpRootNode [2024-11-08 22:16:25,563 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:16:25,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:16:25,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:16:25,566 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:16:25,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:24" (3/4) ... [2024-11-08 22:16:25,571 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:16:25,572 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:16:25,575 INFO L158 Benchmark]: Toolchain (without parser) took 3169.72ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 112.6MB in the beginning and 150.6MB in the end (delta: -38.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-08 22:16:25,575 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 155.2MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:16:25,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1579.59ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 112.6MB in the beginning and 159.0MB in the end (delta: -46.4MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2024-11-08 22:16:25,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.44ms. Allocated memory is still 203.4MB. Free memory was 159.0MB in the beginning and 155.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:16:25,579 INFO L158 Benchmark]: Boogie Preprocessor took 42.92ms. Allocated memory is still 203.4MB. Free memory was 155.8MB in the beginning and 153.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:16:25,580 INFO L158 Benchmark]: RCFGBuilder took 715.83ms. Allocated memory is still 203.4MB. Free memory was 153.7MB in the beginning and 114.9MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 22:16:25,581 INFO L158 Benchmark]: CodeCheck took 736.30ms. Allocated memory is still 203.4MB. Free memory was 114.9MB in the beginning and 150.6MB in the end (delta: -35.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:16:25,582 INFO L158 Benchmark]: Witness Printer took 7.64ms. Allocated memory is still 203.4MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:16:25,586 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: 1555]: 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 1562, overapproximation of bitwiseOr at line 1552. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] 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] [L1555] 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 0.29ms. Allocated memory is still 155.2MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1579.59ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 112.6MB in the beginning and 159.0MB in the end (delta: -46.4MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.44ms. Allocated memory is still 203.4MB. Free memory was 159.0MB in the beginning and 155.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.92ms. Allocated memory is still 203.4MB. Free memory was 155.8MB in the beginning and 153.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 715.83ms. Allocated memory is still 203.4MB. Free memory was 153.7MB in the beginning and 114.9MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 736.30ms. Allocated memory is still 203.4MB. Free memory was 114.9MB in the beginning and 150.6MB in the end (delta: -35.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.64ms. Allocated memory is still 203.4MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:16:25,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/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_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/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_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/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_c390514c-32dd-4521-8465-356f378957a2/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 3c00dc5715f8de2d187a6d98d3c5907392922aa0461e0f9d48047533c43080f8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:16:28,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:16:28,116 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:16:28,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:16:28,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:16:28,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:16:28,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:16:28,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:16:28,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:16:28,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:16:28,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:16:28,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:16:28,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:16:28,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:16:28,164 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:16:28,165 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:16:28,165 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:16:28,165 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:16:28,166 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:16:28,166 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:16:28,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:16:28,170 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:16:28,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:16:28,175 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:16:28,176 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:16:28,176 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:28,176 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:16:28,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:16:28,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:16:28,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:16:28,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:16:28,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:16:28,178 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:16:28,178 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:28,178 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:16:28,179 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_c390514c-32dd-4521-8465-356f378957a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c00dc5715f8de2d187a6d98d3c5907392922aa0461e0f9d48047533c43080f8 [2024-11-08 22:16:28,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:16:28,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:16:28,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:16:28,606 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:16:28,606 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:16:28,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i Unable to find full path for "g++" [2024-11-08 22:16:30,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:16:31,222 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:16:31,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i [2024-11-08 22:16:31,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/data/770accee5/432d74ce247d48bcb7e9c590aeb44a68/FLAG886f2d246 [2024-11-08 22:16:31,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/data/770accee5/432d74ce247d48bcb7e9c590aeb44a68 [2024-11-08 22:16:31,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:16:31,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:16:31,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:16:31,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:16:31,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:16:31,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:16:31" (1/1) ... [2024-11-08 22:16:31,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b49a15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:31, skipping insertion in model container [2024-11-08 22:16:31,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:16:31" (1/1) ... [2024-11-08 22:16:31,464 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:16:32,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:16:32,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:16:32,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:16:32,718 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:16:32,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:32 WrapperNode [2024-11-08 22:16:32,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:16:32,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:16:32,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:16:32,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:16:32,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:32" (1/1) ... [2024-11-08 22:16:32,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:32" (1/1) ... [2024-11-08 22:16:32,796 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-08 22:16:32,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:16:32,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:16:32,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:16:32,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:16:32,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:32" (1/1) ... [2024-11-08 22:16:32,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:32" (1/1) ... [2024-11-08 22:16:32,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:32" (1/1) ... [2024-11-08 22:16:32,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:32" (1/1) ... [2024-11-08 22:16:32,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:32" (1/1) ... [2024-11-08 22:16:32,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:32" (1/1) ... [2024-11-08 22:16:32,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:32" (1/1) ... [2024-11-08 22:16:32,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:32" (1/1) ... [2024-11-08 22:16:32,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:16:32,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:16:32,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:16:32,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:16:32,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:32" (1/1) ... [2024-11-08 22:16:32,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:16:32,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:16:32,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:16:32,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:16:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:16:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:16:33,067 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:16:33,070 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:16:33,242 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-08 22:16:33,244 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:16:33,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:16:33,322 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:16:33,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:33 BoogieIcfgContainer [2024-11-08 22:16:33,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:16:33,325 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:16:33,325 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:16:33,334 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:16:33,335 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:33" (1/1) ... [2024-11-08 22:16:33,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:16:33,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:33,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:16:33,412 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:16:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:16:33,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:33,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:33,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:33,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:33,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:16:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:33,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:16:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:33,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:16:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:33,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:16:33,828 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:16:33,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:16:33 ImpRootNode [2024-11-08 22:16:33,861 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:16:33,862 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:16:33,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:16:33,862 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:16:33,865 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:33" (3/4) ... [2024-11-08 22:16:33,867 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:16:33,868 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:16:33,869 INFO L158 Benchmark]: Toolchain (without parser) took 2485.58ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 32.8MB in the beginning and 52.9MB in the end (delta: -20.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-08 22:16:33,870 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:16:33,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1338.34ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 32.6MB in the beginning and 61.1MB in the end (delta: -28.5MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2024-11-08 22:16:33,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.73ms. Allocated memory is still 92.3MB. Free memory was 61.1MB in the beginning and 58.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:16:33,872 INFO L158 Benchmark]: Boogie Preprocessor took 30.49ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 55.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:16:33,874 INFO L158 Benchmark]: RCFGBuilder took 495.74ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 38.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:16:33,875 INFO L158 Benchmark]: CodeCheck took 536.88ms. Allocated memory is still 92.3MB. Free memory was 38.1MB in the beginning and 53.1MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:16:33,876 INFO L158 Benchmark]: Witness Printer took 6.32ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 52.9MB in the end (delta: 199.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:16:33,881 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: 1555]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] 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] [L1555] 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 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1338.34ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 32.6MB in the beginning and 61.1MB in the end (delta: -28.5MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.73ms. Allocated memory is still 92.3MB. Free memory was 61.1MB in the beginning and 58.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.49ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 55.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.74ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 38.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 536.88ms. Allocated memory is still 92.3MB. Free memory was 38.1MB in the beginning and 53.1MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.32ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 52.9MB in the end (delta: 199.2kB). 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 [2024-11-08 22:16:33,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c390514c-32dd-4521-8465-356f378957a2/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