./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_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_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/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_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/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_7475c143-a983-4bf7-a12c-12792dd48d3b/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 ab73cdbc4fc94916cfd54e15d41355423928f7df20ed3143a601f63d7e5fb6bb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:27:48,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:27:48,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:27:48,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:27:48,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:27:49,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:27:49,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:27:49,023 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:27:49,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:27:49,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:27:49,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:27:49,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:27:49,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:27:49,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:27:49,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:27:49,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:27:49,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:27:49,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:27:49,028 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:27:49,028 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:27:49,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:27:49,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:27:49,030 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:27:49,030 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:27:49,031 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:27:49,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:27:49,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:27:49,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:27:49,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:27:49,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:27:49,033 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:27:49,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:27:49,038 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_7475c143-a983-4bf7-a12c-12792dd48d3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab73cdbc4fc94916cfd54e15d41355423928f7df20ed3143a601f63d7e5fb6bb [2024-11-08 22:27:49,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:27:49,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:27:49,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:27:49,346 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:27:49,346 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:27:49,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i Unable to find full path for "g++" [2024-11-08 22:27:51,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:27:51,719 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:27:51,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i [2024-11-08 22:27:51,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/data/e0f28fc55/a708d97caefb4800b457ceffc0ba5d07/FLAGb1b6c9a96 [2024-11-08 22:27:51,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/data/e0f28fc55/a708d97caefb4800b457ceffc0ba5d07 [2024-11-08 22:27:51,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:27:51,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:27:51,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:27:51,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:27:51,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:27:51,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:27:51" (1/1) ... [2024-11-08 22:27:51,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1d99ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:51, skipping insertion in model container [2024-11-08 22:27:51,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:27:51" (1/1) ... [2024-11-08 22:27:51,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:27:52,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:27:52,928 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:27:53,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:27:53,328 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:27:53,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:53 WrapperNode [2024-11-08 22:27:53,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:27:53,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:27:53,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:27:53,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:27:53,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:53" (1/1) ... [2024-11-08 22:27:53,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:53" (1/1) ... [2024-11-08 22:27:53,409 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-11-08 22:27:53,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:27:53,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:27:53,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:27:53,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:27:53,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:53" (1/1) ... [2024-11-08 22:27:53,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:53" (1/1) ... [2024-11-08 22:27:53,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:53" (1/1) ... [2024-11-08 22:27:53,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:53" (1/1) ... [2024-11-08 22:27:53,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:53" (1/1) ... [2024-11-08 22:27:53,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:53" (1/1) ... [2024-11-08 22:27:53,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:53" (1/1) ... [2024-11-08 22:27:53,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:53" (1/1) ... [2024-11-08 22:27:53,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:27:53,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:27:53,435 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:27:53,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:27:53,436 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:53" (1/1) ... [2024-11-08 22:27:53,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:27:53,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:27:53,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:27:53,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:27:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:27:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:27:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:27:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:27:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:27:53,723 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:27:53,725 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:27:53,990 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-08 22:27:53,990 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:27:54,276 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:27:54,276 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:27:54,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:27:54 BoogieIcfgContainer [2024-11-08 22:27:54,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:27:54,278 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:27:54,278 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:27:54,288 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:27:54,289 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:27:54" (1/1) ... [2024-11-08 22:27:54,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:27:54,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:54,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:27:54,360 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:27:54,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:27:54,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:54,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:27:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:27:54,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:27:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:27:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:27:54,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:27:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:27:55,014 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:27:55,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:27:55 ImpRootNode [2024-11-08 22:27:55,049 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:27:55,051 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:27:55,051 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:27:55,051 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:27:55,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:27:54" (3/4) ... [2024-11-08 22:27:55,056 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:27:55,057 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:27:55,060 INFO L158 Benchmark]: Toolchain (without parser) took 3279.09ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 109.7MB in the beginning and 135.0MB in the end (delta: -25.3MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-08 22:27:55,060 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 91.5MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:27:55,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1548.18ms. Allocated memory is still 155.2MB. Free memory was 109.7MB in the beginning and 94.5MB in the end (delta: 15.2MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-11-08 22:27:55,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.85ms. Allocated memory is still 155.2MB. Free memory was 94.5MB in the beginning and 91.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:27:55,062 INFO L158 Benchmark]: Boogie Preprocessor took 24.47ms. Allocated memory is still 155.2MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:27:55,064 INFO L158 Benchmark]: RCFGBuilder took 841.55ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 89.4MB in the beginning and 174.9MB in the end (delta: -85.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 22:27:55,065 INFO L158 Benchmark]: CodeCheck took 771.39ms. Allocated memory is still 224.4MB. Free memory was 174.9MB in the beginning and 135.0MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 22:27:55,066 INFO L158 Benchmark]: Witness Printer took 6.92ms. Allocated memory is still 224.4MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:27:55,071 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570, overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.34ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 91.5MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1548.18ms. Allocated memory is still 155.2MB. Free memory was 109.7MB in the beginning and 94.5MB in the end (delta: 15.2MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.85ms. Allocated memory is still 155.2MB. Free memory was 94.5MB in the beginning and 91.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.47ms. Allocated memory is still 155.2MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 841.55ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 89.4MB in the beginning and 174.9MB in the end (delta: -85.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 771.39ms. Allocated memory is still 224.4MB. Free memory was 174.9MB in the beginning and 135.0MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 6.92ms. Allocated memory is still 224.4MB. Free memory is still 135.0MB. 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 22:27:55,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/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_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/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_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/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_7475c143-a983-4bf7-a12c-12792dd48d3b/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 ab73cdbc4fc94916cfd54e15d41355423928f7df20ed3143a601f63d7e5fb6bb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:27:57,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:27:57,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:27:57,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:27:57,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:27:57,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:27:57,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:27:57,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:27:57,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:27:57,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:27:57,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:27:57,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:27:57,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:27:57,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:27:57,747 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:27:57,748 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:27:57,748 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:27:57,749 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:27:57,749 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:27:57,749 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:27:57,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:27:57,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:27:57,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:27:57,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:27:57,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:27:57,761 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:57,761 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:27:57,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:27:57,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:27:57,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:27:57,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:27:57,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:27:57,765 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:27:57,766 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:57,766 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:27:57,768 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_7475c143-a983-4bf7-a12c-12792dd48d3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab73cdbc4fc94916cfd54e15d41355423928f7df20ed3143a601f63d7e5fb6bb [2024-11-08 22:27:58,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:27:58,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:27:58,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:27:58,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:27:58,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:27:58,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i Unable to find full path for "g++" [2024-11-08 22:28:00,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:28:00,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:28:00,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i [2024-11-08 22:28:01,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/data/2a4172a87/83cb0cfe5b05425cb8ba5be18fec8277/FLAG3b782525f [2024-11-08 22:28:01,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/data/2a4172a87/83cb0cfe5b05425cb8ba5be18fec8277 [2024-11-08 22:28:01,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:28:01,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:28:01,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:28:01,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:28:01,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:28:01,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:28:01" (1/1) ... [2024-11-08 22:28:01,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d4936c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:01, skipping insertion in model container [2024-11-08 22:28:01,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:28:01" (1/1) ... [2024-11-08 22:28:01,149 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:28:02,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:28:02,140 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:28:02,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:28:02,521 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:28:02,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:02 WrapperNode [2024-11-08 22:28:02,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:28:02,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:28:02,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:28:02,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:28:02,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:02" (1/1) ... [2024-11-08 22:28:02,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:02" (1/1) ... [2024-11-08 22:28:02,609 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-08 22:28:02,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:28:02,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:28:02,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:28:02,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:28:02,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:02" (1/1) ... [2024-11-08 22:28:02,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:02" (1/1) ... [2024-11-08 22:28:02,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:02" (1/1) ... [2024-11-08 22:28:02,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:02" (1/1) ... [2024-11-08 22:28:02,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:02" (1/1) ... [2024-11-08 22:28:02,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:02" (1/1) ... [2024-11-08 22:28:02,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:02" (1/1) ... [2024-11-08 22:28:02,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:02" (1/1) ... [2024-11-08 22:28:02,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:28:02,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:28:02,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:28:02,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:28:02,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:02" (1/1) ... [2024-11-08 22:28:02,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:28:02,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:28:02,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:28:02,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:28:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:28:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:28:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:28:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:28:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:28:03,019 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:28:03,021 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:28:03,194 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 22:28:03,194 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:28:03,323 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:28:03,323 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:28:03,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:28:03 BoogieIcfgContainer [2024-11-08 22:28:03,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:28:03,325 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:28:03,329 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:28:03,340 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:28:03,340 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:28:03" (1/1) ... [2024-11-08 22:28:03,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:28:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:28:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:28:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:28:03,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:03,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:03,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:03,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:03,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:28:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:28:03,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:28:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:28:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:28:03,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:28:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:28:03,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:28:03,860 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:28:03,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:28:03 ImpRootNode [2024-11-08 22:28:03,892 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:28:03,892 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:28:03,895 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:28:03,895 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:28:03,896 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:28:03" (3/4) ... [2024-11-08 22:28:03,898 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:28:03,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:28:03,901 INFO L158 Benchmark]: Toolchain (without parser) took 2831.35ms. Allocated memory was 83.9MB in the beginning and 136.3MB in the end (delta: 52.4MB). Free memory was 63.3MB in the beginning and 75.0MB in the end (delta: -11.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-11-08 22:28:03,901 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 59.3MB in the end (delta: 148.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:28:03,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1453.08ms. Allocated memory was 83.9MB in the beginning and 136.3MB in the end (delta: 52.4MB). Free memory was 63.1MB in the beginning and 68.8MB in the end (delta: -5.6MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-08 22:28:03,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.04ms. Allocated memory is still 136.3MB. Free memory was 68.1MB in the beginning and 65.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:28:03,904 INFO L158 Benchmark]: Boogie Preprocessor took 72.16ms. Allocated memory is still 136.3MB. Free memory was 65.3MB in the beginning and 111.7MB in the end (delta: -46.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:28:03,905 INFO L158 Benchmark]: RCFGBuilder took 638.76ms. Allocated memory is still 136.3MB. Free memory was 111.7MB in the beginning and 91.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:28:03,906 INFO L158 Benchmark]: CodeCheck took 566.90ms. Allocated memory is still 136.3MB. Free memory was 91.8MB in the beginning and 75.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:28:03,907 INFO L158 Benchmark]: Witness Printer took 7.70ms. Allocated memory is still 136.3MB. Free memory was 75.5MB in the beginning and 75.0MB in the end (delta: 459.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:28:03,912 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.32ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 59.3MB in the end (delta: 148.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1453.08ms. Allocated memory was 83.9MB in the beginning and 136.3MB in the end (delta: 52.4MB). Free memory was 63.1MB in the beginning and 68.8MB in the end (delta: -5.6MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.04ms. Allocated memory is still 136.3MB. Free memory was 68.1MB in the beginning and 65.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.16ms. Allocated memory is still 136.3MB. Free memory was 65.3MB in the beginning and 111.7MB in the end (delta: -46.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 638.76ms. Allocated memory is still 136.3MB. Free memory was 111.7MB in the beginning and 91.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 566.90ms. Allocated memory is still 136.3MB. Free memory was 91.8MB in the beginning and 75.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.70ms. Allocated memory is still 136.3MB. Free memory was 75.5MB in the beginning and 75.0MB in the end (delta: 459.2kB). 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 22:28:03,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7475c143-a983-4bf7-a12c-12792dd48d3b/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