./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_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_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/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_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/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_54da1578-bcd3-4a1f-a43d-2980825738bb/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 d6adb61fec60be19b921e2d1d869b66b60375e8ffa5df3e1b1fa154b174835e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:17:56,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:17:56,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:17:56,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:17:56,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:17:56,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:17:56,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:17:56,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:17:56,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:17:56,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:17:56,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:17:56,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:17:56,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:17:56,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:17:56,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:17:56,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:17:56,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:17:56,579 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:17:56,580 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:17:56,580 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:17:56,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:17:56,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:17:56,582 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:17:56,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:17:56,583 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:17:56,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:17:56,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:17:56,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:17:56,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:17:56,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:17:56,602 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:17:56,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:17:56,603 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_54da1578-bcd3-4a1f-a43d-2980825738bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6adb61fec60be19b921e2d1d869b66b60375e8ffa5df3e1b1fa154b174835e0 [2024-11-08 23:17:57,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:17:57,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:17:57,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:17:57,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:17:57,064 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:17:57,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i Unable to find full path for "g++" [2024-11-08 23:17:59,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:18:00,059 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:18:00,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i [2024-11-08 23:18:00,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/data/9c196f1a9/3f3626a1d7e14f43b9a2ce34795b1a35/FLAG768a13067 [2024-11-08 23:18:00,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/data/9c196f1a9/3f3626a1d7e14f43b9a2ce34795b1a35 [2024-11-08 23:18:00,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:18:00,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:18:00,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:18:00,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:18:00,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:18:00,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:18:00" (1/1) ... [2024-11-08 23:18:00,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36983ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:00, skipping insertion in model container [2024-11-08 23:18:00,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:18:00" (1/1) ... [2024-11-08 23:18:00,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:18:01,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:18:01,620 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:18:01,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:18:01,963 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:18:01,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:01 WrapperNode [2024-11-08 23:18:01,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:18:01,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:18:01,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:18:01,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:18:01,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:01" (1/1) ... [2024-11-08 23:18:02,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:01" (1/1) ... [2024-11-08 23:18:02,087 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 42 [2024-11-08 23:18:02,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:18:02,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:18:02,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:18:02,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:18:02,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:01" (1/1) ... [2024-11-08 23:18:02,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:01" (1/1) ... [2024-11-08 23:18:02,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:01" (1/1) ... [2024-11-08 23:18:02,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:01" (1/1) ... [2024-11-08 23:18:02,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:01" (1/1) ... [2024-11-08 23:18:02,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:01" (1/1) ... [2024-11-08 23:18:02,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:01" (1/1) ... [2024-11-08 23:18:02,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:01" (1/1) ... [2024-11-08 23:18:02,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:18:02,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:18:02,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:18:02,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:18:02,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:01" (1/1) ... [2024-11-08 23:18:02,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:18:02,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:18:02,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:18:02,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:18:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:18:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:18:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:18:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:18:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:18:02,415 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:18:02,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:18:02,575 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 23:18:02,576 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:18:02,664 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:18:02,668 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:18:02,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:02 BoogieIcfgContainer [2024-11-08 23:18:02,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:18:02,670 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:18:02,670 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:18:02,691 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:18:02,692 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:02" (1/1) ... [2024-11-08 23:18:02,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:18:02,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:02,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:18:02,784 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:18:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:18:02,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:02,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:03,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:18:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:03,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:18:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:03,226 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:18:03,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:18:03 ImpRootNode [2024-11-08 23:18:03,270 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:18:03,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:18:03,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:18:03,273 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:18:03,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:02" (3/4) ... [2024-11-08 23:18:03,278 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:18:03,280 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:18:03,282 INFO L158 Benchmark]: Toolchain (without parser) took 3134.72ms. Allocated memory is still 159.4MB. Free memory was 129.5MB in the beginning and 85.2MB in the end (delta: 44.3MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-08 23:18:03,282 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 123.7MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:18:03,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1815.92ms. Allocated memory is still 159.4MB. Free memory was 129.5MB in the beginning and 119.8MB in the end (delta: 9.8MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2024-11-08 23:18:03,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.63ms. Allocated memory is still 159.4MB. Free memory was 119.8MB in the beginning and 116.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:18:03,285 INFO L158 Benchmark]: Boogie Preprocessor took 40.68ms. Allocated memory is still 159.4MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:18:03,285 INFO L158 Benchmark]: RCFGBuilder took 538.54ms. Allocated memory is still 159.4MB. Free memory was 114.5MB in the beginning and 100.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:18:03,288 INFO L158 Benchmark]: CodeCheck took 600.18ms. Allocated memory is still 159.4MB. Free memory was 100.9MB in the beginning and 86.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:18:03,289 INFO L158 Benchmark]: Witness Printer took 8.25ms. Allocated memory is still 159.4MB. Free memory was 86.2MB in the beginning and 85.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:18:03,294 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 123.7MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1815.92ms. Allocated memory is still 159.4MB. Free memory was 129.5MB in the beginning and 119.8MB in the end (delta: 9.8MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.63ms. Allocated memory is still 159.4MB. Free memory was 119.8MB in the beginning and 116.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.68ms. Allocated memory is still 159.4MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 538.54ms. Allocated memory is still 159.4MB. Free memory was 114.5MB in the beginning and 100.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 600.18ms. Allocated memory is still 159.4MB. Free memory was 100.9MB in the beginning and 86.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.25ms. Allocated memory is still 159.4MB. Free memory was 86.2MB in the beginning and 85.2MB in the end (delta: 1.0MB). 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 23:18:03,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/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_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/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_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/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_54da1578-bcd3-4a1f-a43d-2980825738bb/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 d6adb61fec60be19b921e2d1d869b66b60375e8ffa5df3e1b1fa154b174835e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:18:06,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:18:06,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:18:06,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:18:06,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:18:06,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:18:06,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:18:06,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:18:06,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:18:06,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:18:06,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:18:06,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:18:06,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:18:06,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:18:06,246 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:18:06,246 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:18:06,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:18:06,247 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:18:06,247 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:18:06,247 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:18:06,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:18:06,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:18:06,252 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:18:06,253 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:18:06,253 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:18:06,253 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:06,253 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:18:06,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:18:06,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:18:06,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:18:06,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:18:06,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:18:06,255 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:18:06,255 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:06,257 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:18:06,257 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_54da1578-bcd3-4a1f-a43d-2980825738bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6adb61fec60be19b921e2d1d869b66b60375e8ffa5df3e1b1fa154b174835e0 [2024-11-08 23:18:06,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:18:06,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:18:06,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:18:06,680 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:18:06,682 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:18:06,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i Unable to find full path for "g++" [2024-11-08 23:18:09,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:18:09,488 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:18:09,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i [2024-11-08 23:18:09,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/data/cd98eebed/e1f337212743470196fe6767f6116e61/FLAG1100b69e1 [2024-11-08 23:18:09,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/data/cd98eebed/e1f337212743470196fe6767f6116e61 [2024-11-08 23:18:09,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:18:09,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:18:09,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:18:09,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:18:09,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:18:09,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:18:09" (1/1) ... [2024-11-08 23:18:09,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6929cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:09, skipping insertion in model container [2024-11-08 23:18:09,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:18:09" (1/1) ... [2024-11-08 23:18:09,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:18:10,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:18:10,961 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:18:11,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:18:11,300 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:18:11,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:11 WrapperNode [2024-11-08 23:18:11,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:18:11,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:18:11,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:18:11,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:18:11,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:11" (1/1) ... [2024-11-08 23:18:11,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:11" (1/1) ... [2024-11-08 23:18:11,376 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 42 [2024-11-08 23:18:11,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:18:11,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:18:11,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:18:11,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:18:11,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:11" (1/1) ... [2024-11-08 23:18:11,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:11" (1/1) ... [2024-11-08 23:18:11,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:11" (1/1) ... [2024-11-08 23:18:11,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:11" (1/1) ... [2024-11-08 23:18:11,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:11" (1/1) ... [2024-11-08 23:18:11,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:11" (1/1) ... [2024-11-08 23:18:11,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:11" (1/1) ... [2024-11-08 23:18:11,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:11" (1/1) ... [2024-11-08 23:18:11,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:18:11,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:18:11,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:18:11,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:18:11,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:11" (1/1) ... [2024-11-08 23:18:11,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:18:11,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:18:11,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:18:11,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:18:11,507 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:18:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:18:11,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:18:11,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:18:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:18:11,784 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:18:11,787 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:18:11,992 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:18:11,993 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:18:12,083 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:18:12,084 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:18:12,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:12 BoogieIcfgContainer [2024-11-08 23:18:12,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:18:12,089 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:18:12,089 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:18:12,104 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:18:12,104 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:12" (1/1) ... [2024-11-08 23:18:12,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:18:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:18:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:18:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:18:12,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:12,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:12,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:12,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:12,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:18:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:12,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:18:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:12,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:18:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:12,648 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:18:12,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:18:12,651 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:18:12,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:18:12 ImpRootNode [2024-11-08 23:18:12,688 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:18:12,690 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:18:12,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:18:12,692 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:18:12,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:12" (3/4) ... [2024-11-08 23:18:12,695 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:18:12,697 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:18:12,698 INFO L158 Benchmark]: Toolchain (without parser) took 3144.17ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 49.5MB in the beginning and 58.7MB in the end (delta: -9.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-08 23:18:12,699 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:18:12,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1745.26ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 49.3MB in the beginning and 68.5MB in the end (delta: -19.3MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-08 23:18:12,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.44ms. Allocated memory is still 98.6MB. Free memory was 68.5MB in the beginning and 65.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:18:12,703 INFO L158 Benchmark]: Boogie Preprocessor took 40.51ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 63.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:18:12,704 INFO L158 Benchmark]: RCFGBuilder took 668.14ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 47.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:18:12,705 INFO L158 Benchmark]: CodeCheck took 599.65ms. Allocated memory is still 98.6MB. Free memory was 47.4MB in the beginning and 58.7MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:18:12,706 INFO L158 Benchmark]: Witness Printer took 6.96ms. Allocated memory is still 98.6MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:18:12,713 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1745.26ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 49.3MB in the beginning and 68.5MB in the end (delta: -19.3MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.44ms. Allocated memory is still 98.6MB. Free memory was 68.5MB in the beginning and 65.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.51ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 63.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.14ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 47.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 599.65ms. Allocated memory is still 98.6MB. Free memory was 47.4MB in the beginning and 58.7MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.96ms. Allocated memory is still 98.6MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:18:12,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da1578-bcd3-4a1f-a43d-2980825738bb/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