./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm --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 1e40bdd1f415f5ea64185a6ee68f0eeb0f2b741a86ab540b1e442f91eb9586d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:23:28,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:23:28,889 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:23:28,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:23:28,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:23:28,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:23:28,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:23:28,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:23:28,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:23:28,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:23:28,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:23:28,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:23:28,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:23:28,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:23:28,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:23:28,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:23:28,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:23:28,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:23:28,927 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:23:28,928 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:23:28,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:23:28,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:23:28,928 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:23:28,928 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:23:28,928 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:23:28,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:23:28,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:23:28,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:23:28,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:23:28,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:23:28,931 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:23:28,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:23:28,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm 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 -> 1e40bdd1f415f5ea64185a6ee68f0eeb0f2b741a86ab540b1e442f91eb9586d8 [2024-11-13 23:23:29,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:23:29,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:23:29,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:23:29,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:23:29,293 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:23:29,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i Unable to find full path for "g++" [2024-11-13 23:23:31,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:23:31,829 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:23:31,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i [2024-11-13 23:23:31,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/data/33200f9cb/7c497bc89c8543a5afe9fa902e519f90/FLAGa2b3a0eb7 [2024-11-13 23:23:31,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/data/33200f9cb/7c497bc89c8543a5afe9fa902e519f90 [2024-11-13 23:23:32,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:23:32,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:23:32,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:23:32,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:23:32,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:23:32,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:23:31" (1/1) ... [2024-11-13 23:23:32,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb1ec26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:32, skipping insertion in model container [2024-11-13 23:23:32,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:23:31" (1/1) ... [2024-11-13 23:23:32,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:23:33,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:23:33,098 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:23:33,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:23:33,345 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:23:33,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:33 WrapperNode [2024-11-13 23:23:33,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:23:33,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:23:33,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:23:33,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:23:33,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:33" (1/1) ... [2024-11-13 23:23:33,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:33" (1/1) ... [2024-11-13 23:23:33,402 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2024-11-13 23:23:33,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:23:33,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:23:33,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:23:33,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:23:33,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:33" (1/1) ... [2024-11-13 23:23:33,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:33" (1/1) ... [2024-11-13 23:23:33,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:33" (1/1) ... [2024-11-13 23:23:33,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:33" (1/1) ... [2024-11-13 23:23:33,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:33" (1/1) ... [2024-11-13 23:23:33,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:33" (1/1) ... [2024-11-13 23:23:33,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:33" (1/1) ... [2024-11-13 23:23:33,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:33" (1/1) ... [2024-11-13 23:23:33,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:23:33,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:23:33,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:23:33,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:23:33,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:33" (1/1) ... [2024-11-13 23:23:33,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:23:33,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:23:33,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:23:33,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:23:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:23:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:23:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:23:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:23:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:23:33,666 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:23:33,668 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:23:33,920 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-13 23:23:33,920 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:23:34,214 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:23:34,215 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:23:34,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:23:34 BoogieIcfgContainer [2024-11-13 23:23:34,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:23:34,216 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:23:34,216 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:23:34,226 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:23:34,226 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:23:34" (1/1) ... [2024-11-13 23:23:34,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:23:34,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:34,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:23:34,299 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:23:34,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:23:34,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:34,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:23:34,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:23:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:23:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:23:34,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:23:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:23:34,885 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:23:34,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:23:34 ImpRootNode [2024-11-13 23:23:34,920 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:23:34,922 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:23:34,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:23:34,923 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:23:34,924 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:23:34" (3/4) ... [2024-11-13 23:23:34,926 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:23:34,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:23:34,928 INFO L158 Benchmark]: Toolchain (without parser) took 2926.93ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 55.0MB in the end (delta: 34.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-13 23:23:34,928 INFO L158 Benchmark]: CDTParser took 1.81ms. Allocated memory is still 117.4MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:23:34,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1343.49ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 80.1MB in the end (delta: 9.4MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 23:23:34,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.57ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:23:34,929 INFO L158 Benchmark]: Boogie Preprocessor took 33.68ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:23:34,932 INFO L158 Benchmark]: RCFGBuilder took 777.74ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 35.3MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 23:23:34,933 INFO L158 Benchmark]: CodeCheck took 704.52ms. Allocated memory is still 117.4MB. Free memory was 35.3MB in the beginning and 55.8MB in the end (delta: -20.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:23:34,934 INFO L158 Benchmark]: Witness Printer took 5.52ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 55.0MB in the end (delta: 800.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:23:34,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [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] [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] [L1570] CALL CWE191_Integer_Underflow__int_rand_sub_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.81ms. Allocated memory is still 117.4MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1343.49ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 80.1MB in the end (delta: 9.4MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.57ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.68ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 777.74ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 35.3MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 704.52ms. Allocated memory is still 117.4MB. Free memory was 35.3MB in the beginning and 55.8MB in the end (delta: -20.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.52ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 55.0MB in the end (delta: 800.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:23:34,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm --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 1e40bdd1f415f5ea64185a6ee68f0eeb0f2b741a86ab540b1e442f91eb9586d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:23:37,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:23:37,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:23:37,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:23:37,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:23:37,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:23:37,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:23:37,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:23:37,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:23:37,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:23:37,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:23:37,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:23:37,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:23:37,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:23:37,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:23:37,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:23:37,739 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:23:37,739 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:23:37,739 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:23:37,739 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:23:37,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:23:37,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:23:37,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:23:37,739 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:23:37,746 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:23:37,746 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:37,746 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:23:37,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:23:37,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:23:37,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:23:37,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:23:37,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:23:37,747 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:23:37,747 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:37,747 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:23:37,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm 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 -> 1e40bdd1f415f5ea64185a6ee68f0eeb0f2b741a86ab540b1e442f91eb9586d8 [2024-11-13 23:23:38,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:23:38,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:23:38,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:23:38,059 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:23:38,060 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:23:38,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i Unable to find full path for "g++" [2024-11-13 23:23:40,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:23:40,451 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:23:40,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i [2024-11-13 23:23:40,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/data/4ca668bba/589ef337508146b1ae6dd4f4dad097dd/FLAG8398221e1 [2024-11-13 23:23:40,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/data/4ca668bba/589ef337508146b1ae6dd4f4dad097dd [2024-11-13 23:23:40,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:23:40,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:23:40,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:23:40,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:23:40,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:23:40,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:23:40" (1/1) ... [2024-11-13 23:23:40,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3626b3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:40, skipping insertion in model container [2024-11-13 23:23:40,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:23:40" (1/1) ... [2024-11-13 23:23:40,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:23:41,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:23:41,575 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:23:41,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:23:41,857 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:23:41,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:41 WrapperNode [2024-11-13 23:23:41,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:23:41,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:23:41,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:23:41,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:23:41,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:41" (1/1) ... [2024-11-13 23:23:41,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:41" (1/1) ... [2024-11-13 23:23:41,937 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-13 23:23:41,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:23:41,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:23:41,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:23:41,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:23:41,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:41" (1/1) ... [2024-11-13 23:23:41,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:41" (1/1) ... [2024-11-13 23:23:41,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:41" (1/1) ... [2024-11-13 23:23:41,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:41" (1/1) ... [2024-11-13 23:23:41,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:41" (1/1) ... [2024-11-13 23:23:41,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:41" (1/1) ... [2024-11-13 23:23:41,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:41" (1/1) ... [2024-11-13 23:23:41,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:41" (1/1) ... [2024-11-13 23:23:41,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:23:41,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:23:41,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:23:41,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:23:41,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:23:41" (1/1) ... [2024-11-13 23:23:41,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:23:41,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:23:42,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:23:42,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:23:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:23:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:23:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:23:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:23:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:23:42,192 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:23:42,195 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:23:42,311 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 23:23:42,311 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:23:42,394 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:23:42,394 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:23:42,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:23:42 BoogieIcfgContainer [2024-11-13 23:23:42,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:23:42,396 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:23:42,396 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:23:42,407 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:23:42,407 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:23:42" (1/1) ... [2024-11-13 23:23:42,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:23:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:42,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:23:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:23:42,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:23:42,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:42,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:42,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:42,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:42,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:23:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:23:42,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:23:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:23:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:23:42,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:23:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:23:42,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:23:42,933 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:23:42,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:23:42 ImpRootNode [2024-11-13 23:23:42,967 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:23:42,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:23:42,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:23:42,969 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:23:42,970 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:23:42" (3/4) ... [2024-11-13 23:23:42,973 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:23:42,974 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:23:42,975 INFO L158 Benchmark]: Toolchain (without parser) took 2479.83ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 89.5MB in the beginning and 265.5MB in the end (delta: -176.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-13 23:23:42,978 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:23:42,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1361.36ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 68.2MB in the end (delta: 21.3MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-13 23:23:42,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.98ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 65.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:23:42,979 INFO L158 Benchmark]: Boogie Preprocessor took 37.00ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 63.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:23:42,980 INFO L158 Benchmark]: RCFGBuilder took 417.00ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 45.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:23:42,980 INFO L158 Benchmark]: CodeCheck took 571.89ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 45.6MB in the beginning and 265.5MB in the end (delta: -219.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:23:42,980 INFO L158 Benchmark]: Witness Printer took 6.38ms. Allocated memory is still 302.0MB. Free memory was 265.5MB in the beginning and 265.5MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:23:42,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 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); [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] [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] [L1570] CALL CWE191_Integer_Underflow__int_rand_sub_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data - 1 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 0.31ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1361.36ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 68.2MB in the end (delta: 21.3MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.98ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 65.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.00ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 63.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 417.00ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 45.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 571.89ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 45.6MB in the beginning and 265.5MB in the end (delta: -219.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.38ms. Allocated memory is still 302.0MB. Free memory was 265.5MB in the beginning and 265.5MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:23:43,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6661f9f9-d743-414d-af5a-20d7c5b6bfb5/bin/ukojak-verify-EEHR8qb7sm/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