./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/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_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/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_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/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 d0c5194bcdbc4334ef8f15fa14be262c695d88e62204dc921575e1a1f1746219 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:01:12,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:01:12,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:01:12,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:01:12,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:01:12,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:01:12,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:01:12,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:01:12,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:01:12,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:01:12,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:01:12,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:01:12,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:01:12,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:01:12,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:01:12,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:01:12,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:01:12,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:01:12,423 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:01:12,424 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:01:12,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:01:12,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:01:12,425 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:01:12,426 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:01:12,426 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:01:12,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:01:12,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:12,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:01:12,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:01:12,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:01:12,429 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:01:12,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:01:12,429 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_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0c5194bcdbc4334ef8f15fa14be262c695d88e62204dc921575e1a1f1746219 [2024-11-09 00:01:12,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:01:12,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:01:12,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:01:12,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:01:12,852 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:01:12,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_31_bad.i Unable to find full path for "g++" [2024-11-09 00:01:14,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:01:15,325 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:01:15,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_31_bad.i [2024-11-09 00:01:15,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/data/1d58a768b/84f439386fef435298ec7a16c4254e8d/FLAG1484c402e [2024-11-09 00:01:15,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/data/1d58a768b/84f439386fef435298ec7a16c4254e8d [2024-11-09 00:01:15,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:01:15,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:01:15,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:15,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:01:15,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:01:15,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:15" (1/1) ... [2024-11-09 00:01:15,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482ee0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:15, skipping insertion in model container [2024-11-09 00:01:15,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:15" (1/1) ... [2024-11-09 00:01:15,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:01:16,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:16,614 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:01:16,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:16,968 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:01:16,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:16 WrapperNode [2024-11-09 00:01:16,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:16,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:16,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:01:16,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:01:16,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:16" (1/1) ... [2024-11-09 00:01:17,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:16" (1/1) ... [2024-11-09 00:01:17,059 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2024-11-09 00:01:17,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:17,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:01:17,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:01:17,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:01:17,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:16" (1/1) ... [2024-11-09 00:01:17,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:16" (1/1) ... [2024-11-09 00:01:17,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:16" (1/1) ... [2024-11-09 00:01:17,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:16" (1/1) ... [2024-11-09 00:01:17,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:16" (1/1) ... [2024-11-09 00:01:17,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:16" (1/1) ... [2024-11-09 00:01:17,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:16" (1/1) ... [2024-11-09 00:01:17,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:16" (1/1) ... [2024-11-09 00:01:17,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:01:17,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:01:17,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:01:17,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:01:17,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:16" (1/1) ... [2024-11-09 00:01:17,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:17,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:01:17,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:01:17,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:01:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:01:17,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:01:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:01:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:01:17,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:01:17,364 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:01:17,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:01:17,578 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-09 00:01:17,578 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:01:17,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:01:17,913 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:01:17,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:17 BoogieIcfgContainer [2024-11-09 00:01:17,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:01:17,915 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:01:17,915 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:01:17,930 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:01:17,930 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:17" (1/1) ... [2024-11-09 00:01:17,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:01:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:17,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:01:17,999 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:01:18,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:01:18,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:18,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:18,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:18,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:18,564 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:01:18,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:01:18 ImpRootNode [2024-11-09 00:01:18,596 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:01:18,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:01:18,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:01:18,599 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:01:18,599 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:17" (3/4) ... [2024-11-09 00:01:18,603 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:01:18,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:01:18,606 INFO L158 Benchmark]: Toolchain (without parser) took 3218.76ms. Allocated memory is still 155.2MB. Free memory was 120.1MB in the beginning and 62.7MB in the end (delta: 57.4MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-09 00:01:18,607 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 134.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:18,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1582.71ms. Allocated memory is still 155.2MB. Free memory was 120.1MB in the beginning and 94.7MB in the end (delta: 25.4MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-09 00:01:18,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.13ms. Allocated memory is still 155.2MB. Free memory was 94.7MB in the beginning and 91.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:18,611 INFO L158 Benchmark]: Boogie Preprocessor took 43.97ms. Allocated memory is still 155.2MB. Free memory was 91.2MB in the beginning and 89.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:18,611 INFO L158 Benchmark]: RCFGBuilder took 808.83ms. Allocated memory is still 155.2MB. Free memory was 89.8MB in the beginning and 100.5MB in the end (delta: -10.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-09 00:01:18,612 INFO L158 Benchmark]: CodeCheck took 681.14ms. Allocated memory is still 155.2MB. Free memory was 100.5MB in the beginning and 63.6MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-09 00:01:18,613 INFO L158 Benchmark]: Witness Printer took 8.16ms. Allocated memory is still 155.2MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:18,616 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1557]: 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 1566, overapproximation of bitwiseOr at line 1552. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data-- 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 0.40ms. Allocated memory is still 113.2MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 134.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1582.71ms. Allocated memory is still 155.2MB. Free memory was 120.1MB in the beginning and 94.7MB in the end (delta: 25.4MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.13ms. Allocated memory is still 155.2MB. Free memory was 94.7MB in the beginning and 91.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.97ms. Allocated memory is still 155.2MB. Free memory was 91.2MB in the beginning and 89.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 808.83ms. Allocated memory is still 155.2MB. Free memory was 89.8MB in the beginning and 100.5MB in the end (delta: -10.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * CodeCheck took 681.14ms. Allocated memory is still 155.2MB. Free memory was 100.5MB in the beginning and 63.6MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 8.16ms. Allocated memory is still 155.2MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:01:18,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/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_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/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_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/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 d0c5194bcdbc4334ef8f15fa14be262c695d88e62204dc921575e1a1f1746219 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:01:21,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:01:21,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:01:21,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:01:21,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:01:21,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:01:21,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:01:21,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:01:21,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:01:21,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:01:21,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:01:21,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:01:21,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:01:21,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:01:21,389 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:01:21,389 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:01:21,392 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:01:21,392 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:01:21,395 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:01:21,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:01:21,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:01:21,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:01:21,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:01:21,397 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:01:21,397 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:01:21,398 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:21,398 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:01:21,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:01:21,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:21,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:01:21,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:01:21,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:01:21,403 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:01:21,404 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:21,404 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:01:21,404 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_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0c5194bcdbc4334ef8f15fa14be262c695d88e62204dc921575e1a1f1746219 [2024-11-09 00:01:21,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:01:21,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:01:21,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:01:21,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:01:21,836 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:01:21,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_31_bad.i Unable to find full path for "g++" [2024-11-09 00:01:24,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:01:24,386 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:01:24,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_31_bad.i [2024-11-09 00:01:24,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/data/06e02ac46/bc9a23d4da554870b05be846e80653a2/FLAG910ed9ce8 [2024-11-09 00:01:24,447 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/data/06e02ac46/bc9a23d4da554870b05be846e80653a2 [2024-11-09 00:01:24,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:01:24,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:01:24,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:24,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:01:24,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:01:24,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d8e332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24, skipping insertion in model container [2024-11-09 00:01:24,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,553 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:01:25,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:25,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:01:25,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:25,943 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:01:25,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:25 WrapperNode [2024-11-09 00:01:25,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:25,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:25,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:01:25,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:01:25,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:25" (1/1) ... [2024-11-09 00:01:26,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:25" (1/1) ... [2024-11-09 00:01:26,052 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-09 00:01:26,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:26,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:01:26,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:01:26,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:01:26,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:25" (1/1) ... [2024-11-09 00:01:26,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:25" (1/1) ... [2024-11-09 00:01:26,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:25" (1/1) ... [2024-11-09 00:01:26,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:25" (1/1) ... [2024-11-09 00:01:26,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:25" (1/1) ... [2024-11-09 00:01:26,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:25" (1/1) ... [2024-11-09 00:01:26,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:25" (1/1) ... [2024-11-09 00:01:26,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:25" (1/1) ... [2024-11-09 00:01:26,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:01:26,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:01:26,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:01:26,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:01:26,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:25" (1/1) ... [2024-11-09 00:01:26,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:26,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:01:26,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:01:26,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:01:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:01:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:01:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:01:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:01:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:01:26,432 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:01:26,435 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:01:26,612 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-09 00:01:26,612 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:01:26,714 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:01:26,715 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:01:26,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:26 BoogieIcfgContainer [2024-11-09 00:01:26,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:01:26,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:01:26,716 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:01:26,729 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:01:26,729 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:26" (1/1) ... [2024-11-09 00:01:26,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:01:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:26,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:01:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:01:26,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:01:26,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:26,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:26,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:01:26,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:01:26,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:01:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:27,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:27,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:27,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:01:27,279 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:01:27,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:01:27 ImpRootNode [2024-11-09 00:01:27,316 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:01:27,318 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:01:27,318 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:01:27,320 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:01:27,320 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:26" (3/4) ... [2024-11-09 00:01:27,324 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:01:27,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:01:27,327 INFO L158 Benchmark]: Toolchain (without parser) took 2873.26ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.5MB in the beginning and 64.4MB in the end (delta: -13.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-09 00:01:27,328 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:27,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1491.78ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.5MB in the beginning and 46.2MB in the end (delta: 4.2MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-09 00:01:27,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.17ms. Allocated memory is still 102.8MB. Free memory was 46.2MB in the beginning and 71.4MB in the end (delta: -25.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-09 00:01:27,332 INFO L158 Benchmark]: Boogie Preprocessor took 52.71ms. Allocated memory is still 102.8MB. Free memory was 71.4MB in the beginning and 69.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:27,334 INFO L158 Benchmark]: RCFGBuilder took 609.11ms. Allocated memory is still 102.8MB. Free memory was 69.3MB in the beginning and 51.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:01:27,334 INFO L158 Benchmark]: CodeCheck took 600.16ms. Allocated memory is still 102.8MB. Free memory was 51.0MB in the beginning and 65.0MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:27,335 INFO L158 Benchmark]: Witness Printer took 8.04ms. Allocated memory is still 102.8MB. Free memory was 65.0MB in the beginning and 64.4MB in the end (delta: 633.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:27,343 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1557]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data-- 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 77.6MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1491.78ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.5MB in the beginning and 46.2MB in the end (delta: 4.2MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.17ms. Allocated memory is still 102.8MB. Free memory was 46.2MB in the beginning and 71.4MB in the end (delta: -25.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.71ms. Allocated memory is still 102.8MB. Free memory was 71.4MB in the beginning and 69.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 609.11ms. Allocated memory is still 102.8MB. Free memory was 69.3MB in the beginning and 51.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 600.16ms. Allocated memory is still 102.8MB. Free memory was 51.0MB in the beginning and 65.0MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.04ms. Allocated memory is still 102.8MB. Free memory was 65.0MB in the beginning and 64.4MB in the end (delta: 633.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:01:27,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e295d1a-8fbe-4ede-86e6-3c38a56e1973/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