./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_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_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/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_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/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_c1fa7aa7-2ccc-471d-9824-2e76b0818150/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 25a43ab44d441891997ac8f216bf326430b2f6ed3eafc886131ed58b10056ae0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:43:46,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:43:46,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:43:46,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:43:46,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:43:46,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:43:46,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:43:46,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:43:46,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:43:46,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:43:46,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:43:46,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:43:46,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:43:46,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:43:46,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:43:46,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:43:46,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:43:46,896 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:43:46,896 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:43:46,897 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:43:46,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:43:46,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:43:46,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:43:46,900 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:43:46,900 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:43:46,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:43:46,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:46,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:43:46,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:43:46,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:43:46,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:43:46,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:43:46,905 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_c1fa7aa7-2ccc-471d-9824-2e76b0818150/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25a43ab44d441891997ac8f216bf326430b2f6ed3eafc886131ed58b10056ae0 [2024-11-08 22:43:47,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:43:47,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:43:47,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:43:47,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:43:47,226 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:43:47,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_bad.i Unable to find full path for "g++" [2024-11-08 22:43:49,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:43:49,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:43:49,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_bad.i [2024-11-08 22:43:49,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/data/03e26993e/001ce19c8ce6487aac0b1b0b2619a0bc/FLAGb761e31b8 [2024-11-08 22:43:49,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/data/03e26993e/001ce19c8ce6487aac0b1b0b2619a0bc [2024-11-08 22:43:49,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:43:49,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:43:49,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:49,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:43:49,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:43:49,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:49" (1/1) ... [2024-11-08 22:43:49,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4fad15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:49, skipping insertion in model container [2024-11-08 22:43:49,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:49" (1/1) ... [2024-11-08 22:43:49,801 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:43:50,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:50,850 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:43:50,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:51,185 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:43:51,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:51 WrapperNode [2024-11-08 22:43:51,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:51,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:51,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:43:51,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:43:51,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:51" (1/1) ... [2024-11-08 22:43:51,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:51" (1/1) ... [2024-11-08 22:43:51,255 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-11-08 22:43:51,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:51,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:43:51,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:43:51,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:43:51,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:51" (1/1) ... [2024-11-08 22:43:51,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:51" (1/1) ... [2024-11-08 22:43:51,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:51" (1/1) ... [2024-11-08 22:43:51,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:51" (1/1) ... [2024-11-08 22:43:51,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:51" (1/1) ... [2024-11-08 22:43:51,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:51" (1/1) ... [2024-11-08 22:43:51,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:51" (1/1) ... [2024-11-08 22:43:51,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:51" (1/1) ... [2024-11-08 22:43:51,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:43:51,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:43:51,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:43:51,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:43:51,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:51" (1/1) ... [2024-11-08 22:43:51,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:51,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:43:51,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:43:51,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:43:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:43:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:43:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:43:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:43:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:43:51,609 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:43:51,611 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:43:51,890 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-08 22:43:51,890 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:43:52,193 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:43:52,193 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:43:52,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:52 BoogieIcfgContainer [2024-11-08 22:43:52,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:43:52,195 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:43:52,195 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:43:52,206 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:43:52,206 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:52" (1/1) ... [2024-11-08 22:43:52,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:43:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:52,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 22:43:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 22:43:52,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:43:52,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:52,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:43:52,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:43:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:43:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:43:52,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:43:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:43:52,800 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:43:52,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:43:52 ImpRootNode [2024-11-08 22:43:52,840 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:43:52,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:43:52,843 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:43:52,844 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:43:52,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:52" (3/4) ... [2024-11-08 22:43:52,848 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:43:52,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:43:52,851 INFO L158 Benchmark]: Toolchain (without parser) took 3135.47ms. Allocated memory is still 169.9MB. Free memory was 128.7MB in the beginning and 101.3MB in the end (delta: 27.3MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-08 22:43:52,853 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 127.9MB. Free memory was 91.9MB in the beginning and 91.8MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:52,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1467.57ms. Allocated memory is still 169.9MB. Free memory was 128.7MB in the beginning and 120.2MB in the end (delta: 8.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-08 22:43:52,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.13ms. Allocated memory is still 169.9MB. Free memory was 120.2MB in the beginning and 116.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:43:52,857 INFO L158 Benchmark]: Boogie Preprocessor took 43.72ms. Allocated memory is still 169.9MB. Free memory was 116.9MB in the beginning and 114.9MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:43:52,857 INFO L158 Benchmark]: RCFGBuilder took 890.56ms. Allocated memory is still 169.9MB. Free memory was 114.9MB in the beginning and 72.0MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 22:43:52,858 INFO L158 Benchmark]: CodeCheck took 645.47ms. Allocated memory is still 169.9MB. Free memory was 72.0MB in the beginning and 101.3MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:52,858 INFO L158 Benchmark]: Witness Printer took 7.12ms. Allocated memory is still 169.9MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:52,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1569, overapproximation of bitwiseOr at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticFive = 5; [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_multiply_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE staticFive==5 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, staticFive=5] [L1559] 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, staticFive=5] [L1561] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 127.9MB. Free memory was 91.9MB in the beginning and 91.8MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1467.57ms. Allocated memory is still 169.9MB. Free memory was 128.7MB in the beginning and 120.2MB in the end (delta: 8.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.13ms. Allocated memory is still 169.9MB. Free memory was 120.2MB in the beginning and 116.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.72ms. Allocated memory is still 169.9MB. Free memory was 116.9MB in the beginning and 114.9MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 890.56ms. Allocated memory is still 169.9MB. Free memory was 114.9MB in the beginning and 72.0MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 645.47ms. Allocated memory is still 169.9MB. Free memory was 72.0MB in the beginning and 101.3MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.12ms. Allocated memory is still 169.9MB. Free memory is still 101.3MB. 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 22:43:52,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/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_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/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_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/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_c1fa7aa7-2ccc-471d-9824-2e76b0818150/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 25a43ab44d441891997ac8f216bf326430b2f6ed3eafc886131ed58b10056ae0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:43:55,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:43:55,556 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:43:55,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:43:55,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:43:55,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:43:55,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:43:55,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:43:55,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:43:55,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:43:55,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:43:55,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:43:55,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:43:55,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:43:55,616 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:43:55,616 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:43:55,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:43:55,617 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:43:55,617 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:43:55,617 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:43:55,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:43:55,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:43:55,623 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:43:55,623 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:43:55,623 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:43:55,623 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:55,624 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:43:55,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:43:55,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:55,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:43:55,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:43:55,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:43:55,625 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:43:55,626 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:55,626 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:43:55,626 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_c1fa7aa7-2ccc-471d-9824-2e76b0818150/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25a43ab44d441891997ac8f216bf326430b2f6ed3eafc886131ed58b10056ae0 [2024-11-08 22:43:56,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:43:56,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:43:56,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:43:56,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:43:56,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:43:56,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_bad.i Unable to find full path for "g++" [2024-11-08 22:43:58,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:43:58,489 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:43:58,492 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_bad.i [2024-11-08 22:43:58,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/data/99ef6656a/c625a1890f794ecc9bba3ae8ac3823f3/FLAGd4d646b2a [2024-11-08 22:43:58,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/data/99ef6656a/c625a1890f794ecc9bba3ae8ac3823f3 [2024-11-08 22:43:58,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:43:58,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:43:58,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:58,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:43:58,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:43:58,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:58" (1/1) ... [2024-11-08 22:43:58,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dbee4e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:58, skipping insertion in model container [2024-11-08 22:43:58,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:58" (1/1) ... [2024-11-08 22:43:58,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:43:59,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:59,957 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:44:00,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:00,204 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:44:00,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:00 WrapperNode [2024-11-08 22:44:00,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:00,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:00,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:44:00,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:44:00,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:00" (1/1) ... [2024-11-08 22:44:00,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:00" (1/1) ... [2024-11-08 22:44:00,269 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-08 22:44:00,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:00,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:44:00,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:44:00,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:44:00,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:00" (1/1) ... [2024-11-08 22:44:00,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:00" (1/1) ... [2024-11-08 22:44:00,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:00" (1/1) ... [2024-11-08 22:44:00,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:00" (1/1) ... [2024-11-08 22:44:00,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:00" (1/1) ... [2024-11-08 22:44:00,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:00" (1/1) ... [2024-11-08 22:44:00,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:00" (1/1) ... [2024-11-08 22:44:00,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:00" (1/1) ... [2024-11-08 22:44:00,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:44:00,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:44:00,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:44:00,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:44:00,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:00" (1/1) ... [2024-11-08 22:44:00,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:00,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:44:00,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:44:00,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:44:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:44:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:44:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:44:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:44:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:44:00,574 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:44:00,577 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:44:00,770 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 22:44:00,771 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:44:00,923 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:44:00,923 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:44:00,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:00 BoogieIcfgContainer [2024-11-08 22:44:00,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:44:00,925 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:44:00,925 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:44:00,936 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:44:00,937 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:00" (1/1) ... [2024-11-08 22:44:00,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:44:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:01,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 22:44:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 22:44:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:44:01,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:01,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:01,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:01,013 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:01,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:44:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:01,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:01,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:01,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:44:01,424 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:44:01,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:44:01 ImpRootNode [2024-11-08 22:44:01,462 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:44:01,464 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:44:01,464 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:44:01,465 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:44:01,465 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:00" (3/4) ... [2024-11-08 22:44:01,470 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:44:01,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:44:01,473 INFO L158 Benchmark]: Toolchain (without parser) took 2805.59ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 45.2MB in the beginning and 49.9MB in the end (delta: -4.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-08 22:44:01,474 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 30.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:01,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1537.52ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 44.9MB in the beginning and 64.0MB in the end (delta: -19.0MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:01,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.88ms. Allocated memory is still 96.5MB. Free memory was 63.5MB in the beginning and 60.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:01,477 INFO L158 Benchmark]: Boogie Preprocessor took 33.75ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 58.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:01,478 INFO L158 Benchmark]: RCFGBuilder took 618.80ms. Allocated memory is still 96.5MB. Free memory was 58.4MB in the beginning and 65.6MB in the end (delta: -7.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 22:44:01,480 INFO L158 Benchmark]: CodeCheck took 537.09ms. Allocated memory is still 96.5MB. Free memory was 65.6MB in the beginning and 50.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:44:01,480 INFO L158 Benchmark]: Witness Printer took 7.91ms. Allocated memory is still 96.5MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:01,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1569. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticFive = 5; [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_multiply_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE staticFive==5 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, staticFive=5] [L1559] 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, staticFive=5] [L1561] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 30.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1537.52ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 44.9MB in the beginning and 64.0MB in the end (delta: -19.0MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.88ms. Allocated memory is still 96.5MB. Free memory was 63.5MB in the beginning and 60.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.75ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 58.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.80ms. Allocated memory is still 96.5MB. Free memory was 58.4MB in the beginning and 65.6MB in the end (delta: -7.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 537.09ms. Allocated memory is still 96.5MB. Free memory was 65.6MB in the beginning and 50.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.91ms. Allocated memory is still 96.5MB. Free memory is still 49.9MB. 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 22:44:01,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1fa7aa7-2ccc-471d-9824-2e76b0818150/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample