./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/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_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/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_a67e51f5-699e-449a-825e-0b99a12dd2f9/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 8d33c2e305fdd8523b1729d7cec1f521986cd42b294d6889de6b22e850e36687 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:28,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:28,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:05:28,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:28,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:28,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:28,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:28,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:28,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:28,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:28,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:28,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:28,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:28,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:28,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:28,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:28,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:28,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:28,760 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:05:28,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:05:28,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:28,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:28,765 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:28,766 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:28,766 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:28,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:28,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:28,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:28,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:28,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:28,769 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:28,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:28,774 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_a67e51f5-699e-449a-825e-0b99a12dd2f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d33c2e305fdd8523b1729d7cec1f521986cd42b294d6889de6b22e850e36687 [2024-11-08 22:05:29,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:29,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:29,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:29,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:29,178 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:29,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i Unable to find full path for "g++" [2024-11-08 22:05:31,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:31,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:31,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i [2024-11-08 22:05:31,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/data/0768134b7/6695090893334036acf64d4bfa37ac49/FLAG9280d709b [2024-11-08 22:05:31,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/data/0768134b7/6695090893334036acf64d4bfa37ac49 [2024-11-08 22:05:31,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:31,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:31,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:31,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:31,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:31,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:31" (1/1) ... [2024-11-08 22:05:31,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a30c88e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:31, skipping insertion in model container [2024-11-08 22:05:31,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:31" (1/1) ... [2024-11-08 22:05:31,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:33,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:33,122 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:33,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:33,420 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:33,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33 WrapperNode [2024-11-08 22:05:33,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:33,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:33,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:33,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:33,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,510 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 39 [2024-11-08 22:05:33,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:33,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:33,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:33,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:33,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:33,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:33,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:33,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:33,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:33,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:33,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:33,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:05:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:05:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:33,805 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:33,808 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:33,953 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:33,953 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:34,014 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:34,014 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:34,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:34 BoogieIcfgContainer [2024-11-08 22:05:34,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:34,019 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:34,019 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:34,031 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:34,031 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:34" (1/1) ... [2024-11-08 22:05:34,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:34,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:05:34,111 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:05:34,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:05:34,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:34,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:34,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:34,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:34,383 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:05:34,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:34 ImpRootNode [2024-11-08 22:05:34,417 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:34,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:34,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:34,420 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:34,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:34" (3/4) ... [2024-11-08 22:05:34,423 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:34,425 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:34,426 INFO L158 Benchmark]: Toolchain (without parser) took 2567.03ms. Allocated memory is still 186.6MB. Free memory was 140.9MB in the beginning and 118.5MB in the end (delta: 22.4MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-11-08 22:05:34,427 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 91.0MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:34,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1559.25ms. Allocated memory is still 186.6MB. Free memory was 140.9MB in the beginning and 150.7MB in the end (delta: -9.8MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2024-11-08 22:05:34,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.87ms. Allocated memory is still 186.6MB. Free memory was 150.7MB in the beginning and 147.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:05:34,430 INFO L158 Benchmark]: Boogie Preprocessor took 36.79ms. Allocated memory is still 186.6MB. Free memory was 147.9MB in the beginning and 146.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:34,431 INFO L158 Benchmark]: RCFGBuilder took 463.43ms. Allocated memory is still 186.6MB. Free memory was 146.8MB in the beginning and 133.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:05:34,431 INFO L158 Benchmark]: CodeCheck took 398.56ms. Allocated memory is still 186.6MB. Free memory was 133.2MB in the beginning and 118.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:05:34,432 INFO L158 Benchmark]: Witness Printer took 6.30ms. Allocated memory is still 186.6MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:34,437 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1562] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE191_Integer_Underflow__int_min_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 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] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 91.0MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1559.25ms. Allocated memory is still 186.6MB. Free memory was 140.9MB in the beginning and 150.7MB in the end (delta: -9.8MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.87ms. Allocated memory is still 186.6MB. Free memory was 150.7MB in the beginning and 147.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.79ms. Allocated memory is still 186.6MB. Free memory was 147.9MB in the beginning and 146.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.43ms. Allocated memory is still 186.6MB. Free memory was 146.8MB in the beginning and 133.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 398.56ms. Allocated memory is still 186.6MB. Free memory was 133.2MB in the beginning and 118.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.30ms. Allocated memory is still 186.6MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:05:34,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/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_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/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_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/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_a67e51f5-699e-449a-825e-0b99a12dd2f9/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 8d33c2e305fdd8523b1729d7cec1f521986cd42b294d6889de6b22e850e36687 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:36,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:36,989 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:05:37,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:37,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:37,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:37,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:37,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:37,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:37,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:37,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:37,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:37,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:37,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:37,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:05:37,057 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:05:37,057 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:37,058 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:05:37,058 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:05:37,058 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:05:37,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:37,063 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:37,063 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:37,063 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:37,064 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:37,064 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:37,064 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:05:37,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:37,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:37,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:37,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:37,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:37,066 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:05:37,066 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:37,067 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:05:37,067 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_a67e51f5-699e-449a-825e-0b99a12dd2f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d33c2e305fdd8523b1729d7cec1f521986cd42b294d6889de6b22e850e36687 [2024-11-08 22:05:37,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:37,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:37,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:37,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:37,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:37,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i Unable to find full path for "g++" [2024-11-08 22:05:39,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:40,258 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:40,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_01_bad.i [2024-11-08 22:05:40,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/data/42399e44d/9b46ef41dab943b4bc82791f1b117d3f/FLAG46b005d49 [2024-11-08 22:05:40,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/data/42399e44d/9b46ef41dab943b4bc82791f1b117d3f [2024-11-08 22:05:40,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:40,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:40,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:40,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:40,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:40,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:40" (1/1) ... [2024-11-08 22:05:40,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f37f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:40, skipping insertion in model container [2024-11-08 22:05:40,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:40" (1/1) ... [2024-11-08 22:05:40,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:41,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:41,528 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:41,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:41,864 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:41,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41 WrapperNode [2024-11-08 22:05:41,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:41,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:41,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:41,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:41,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,951 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 39 [2024-11-08 22:05:41,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:41,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:41,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:41,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:41,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:42,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:42,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:42,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:42,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:42,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:42,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:42,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:42,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:42,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:05:42,082 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:05:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:42,289 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:42,291 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:42,441 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:42,442 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:42,508 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:42,508 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:42,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:42 BoogieIcfgContainer [2024-11-08 22:05:42,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:42,511 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:42,511 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:42,522 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:42,523 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:05:42,625 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:05:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:05:42,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:42,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:42,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:42,669 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:42,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:05:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:42,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:43,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:43,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:05:43,176 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:05:43,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:43 ImpRootNode [2024-11-08 22:05:43,212 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:43,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:43,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:43,213 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:43,214 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:42" (3/4) ... [2024-11-08 22:05:43,218 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:43,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:43,221 INFO L158 Benchmark]: Toolchain (without parser) took 2898.11ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 46.0MB in the beginning and 49.7MB in the end (delta: -3.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:43,221 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:43,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1541.04ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 60.3MB in the end (delta: -14.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 22:05:43,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.56ms. Allocated memory is still 88.1MB. Free memory was 60.3MB in the beginning and 57.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:43,223 INFO L158 Benchmark]: Boogie Preprocessor took 49.41ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:43,224 INFO L158 Benchmark]: RCFGBuilder took 502.55ms. Allocated memory is still 88.1MB. Free memory was 55.2MB in the beginning and 40.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:05:43,226 INFO L158 Benchmark]: CodeCheck took 701.45ms. Allocated memory is still 88.1MB. Free memory was 39.9MB in the beginning and 50.2MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:43,226 INFO L158 Benchmark]: Witness Printer took 6.65ms. Allocated memory is still 88.1MB. Free memory was 50.2MB in the beginning and 49.7MB in the end (delta: 468.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:43,230 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1562] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE191_Integer_Underflow__int_min_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 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] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1541.04ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 60.3MB in the end (delta: -14.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.56ms. Allocated memory is still 88.1MB. Free memory was 60.3MB in the beginning and 57.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.41ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.55ms. Allocated memory is still 88.1MB. Free memory was 55.2MB in the beginning and 40.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 701.45ms. Allocated memory is still 88.1MB. Free memory was 39.9MB in the beginning and 50.2MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.65ms. Allocated memory is still 88.1MB. Free memory was 50.2MB in the beginning and 49.7MB in the end (delta: 468.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:05:43,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e51f5-699e-449a-825e-0b99a12dd2f9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample