./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/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_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/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_92c67051-6926-4713-b0e6-74077c0023e7/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 80c5caf162c8e9471d6c151398889eef247440032fc67884c4fcfaf133db5196 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:44:24,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:44:24,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:44:24,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:44:24,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:44:24,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:44:24,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:44:24,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:44:24,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:44:24,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:44:24,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:44:24,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:44:24,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:44:24,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:44:24,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:44:24,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:44:24,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:44:24,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:44:24,671 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:44:24,672 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:44:24,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:44:24,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:44:24,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:44:24,673 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:44:24,674 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:44:24,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:44:24,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:24,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:44:24,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:44:24,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:44:24,680 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:44:24,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:44:24,680 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_92c67051-6926-4713-b0e6-74077c0023e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80c5caf162c8e9471d6c151398889eef247440032fc67884c4fcfaf133db5196 [2024-11-08 22:44:25,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:44:25,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:44:25,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:44:25,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:44:25,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:44:25,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i Unable to find full path for "g++" [2024-11-08 22:44:27,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:44:27,748 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:44:27,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i [2024-11-08 22:44:27,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/data/aea7d9a77/cc477798f33e43589cbfed73736642ff/FLAG944c51621 [2024-11-08 22:44:27,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/data/aea7d9a77/cc477798f33e43589cbfed73736642ff [2024-11-08 22:44:27,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:44:27,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:44:27,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:27,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:44:27,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:44:27,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:27" (1/1) ... [2024-11-08 22:44:27,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38005cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:27, skipping insertion in model container [2024-11-08 22:44:27,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:27" (1/1) ... [2024-11-08 22:44:27,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:44:29,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:29,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:44:29,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:29,358 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:44:29,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:29 WrapperNode [2024-11-08 22:44:29,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:29,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:29,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:44:29,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:44:29,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:29" (1/1) ... [2024-11-08 22:44:29,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:29" (1/1) ... [2024-11-08 22:44:29,450 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-08 22:44:29,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:29,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:44:29,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:44:29,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:44:29,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:29" (1/1) ... [2024-11-08 22:44:29,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:29" (1/1) ... [2024-11-08 22:44:29,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:29" (1/1) ... [2024-11-08 22:44:29,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:29" (1/1) ... [2024-11-08 22:44:29,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:29" (1/1) ... [2024-11-08 22:44:29,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:29" (1/1) ... [2024-11-08 22:44:29,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:29" (1/1) ... [2024-11-08 22:44:29,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:29" (1/1) ... [2024-11-08 22:44:29,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:44:29,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:44:29,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:44:29,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:44:29,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:29" (1/1) ... [2024-11-08 22:44:29,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:29,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:44:29,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:44:29,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:44:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:44:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:44:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:44:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:44:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:44:29,729 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:44:29,732 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:44:29,845 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:44:29,845 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:44:29,906 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:44:29,907 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:44:29,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:29 BoogieIcfgContainer [2024-11-08 22:44:29,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:44:29,908 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:44:29,909 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:44:29,920 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:44:29,921 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:29" (1/1) ... [2024-11-08 22:44:29,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:44:29,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:29,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-08 22:44:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 22:44:29,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:44:29,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:29,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:30,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:30,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:30,232 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:44:30,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:44:30 ImpRootNode [2024-11-08 22:44:30,260 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:44:30,260 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:44:30,261 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:44:30,261 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:44:30,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:29" (3/4) ... [2024-11-08 22:44:30,268 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:44:30,269 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:44:30,270 INFO L158 Benchmark]: Toolchain (without parser) took 2459.87ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 111.8MB in the beginning and 116.5MB in the end (delta: -4.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-11-08 22:44:30,271 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 148.9MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:30,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1548.32ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 111.3MB in the beginning and 149.0MB in the end (delta: -37.7MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2024-11-08 22:44:30,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.77ms. Allocated memory is still 184.5MB. Free memory was 149.0MB in the beginning and 145.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:30,273 INFO L158 Benchmark]: Boogie Preprocessor took 28.76ms. Allocated memory is still 184.5MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:30,274 INFO L158 Benchmark]: RCFGBuilder took 427.12ms. Allocated memory is still 184.5MB. Free memory was 144.8MB in the beginning and 130.1MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:44:30,275 INFO L158 Benchmark]: CodeCheck took 351.22ms. Allocated memory is still 184.5MB. Free memory was 130.1MB in the beginning and 116.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:44:30,275 INFO L158 Benchmark]: Witness Printer took 9.06ms. Allocated memory is still 184.5MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:30,278 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_02_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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 0.33ms. Allocated memory is still 148.9MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1548.32ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 111.3MB in the beginning and 149.0MB in the end (delta: -37.7MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.77ms. Allocated memory is still 184.5MB. Free memory was 149.0MB in the beginning and 145.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.76ms. Allocated memory is still 184.5MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.12ms. Allocated memory is still 184.5MB. Free memory was 144.8MB in the beginning and 130.1MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 351.22ms. Allocated memory is still 184.5MB. Free memory was 130.1MB in the beginning and 116.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 9.06ms. Allocated memory is still 184.5MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:44:30,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/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_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/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_92c67051-6926-4713-b0e6-74077c0023e7/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 80c5caf162c8e9471d6c151398889eef247440032fc67884c4fcfaf133db5196 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:44:32,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:44:33,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:44:33,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:44:33,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:44:33,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:44:33,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:44:33,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:44:33,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:44:33,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:44:33,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:44:33,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:44:33,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:44:33,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:44:33,136 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:44:33,137 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:44:33,137 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:44:33,137 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:44:33,141 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:44:33,141 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:44:33,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:44:33,145 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:44:33,146 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:44:33,146 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:44:33,146 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:44:33,147 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:33,147 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:44:33,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:44:33,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:33,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:44:33,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:44:33,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:44:33,149 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:44:33,149 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:33,150 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:44:33,150 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_92c67051-6926-4713-b0e6-74077c0023e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80c5caf162c8e9471d6c151398889eef247440032fc67884c4fcfaf133db5196 [2024-11-08 22:44:33,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:44:33,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:44:33,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:44:33,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:44:33,592 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:44:33,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i Unable to find full path for "g++" [2024-11-08 22:44:35,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:44:36,273 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:44:36,274 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i [2024-11-08 22:44:36,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/data/f74ca8d43/7304f170d42f4833b47d0305d6752356/FLAGda0bd02bd [2024-11-08 22:44:36,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/data/f74ca8d43/7304f170d42f4833b47d0305d6752356 [2024-11-08 22:44:36,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:44:36,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:44:36,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:36,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:44:36,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:44:36,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:36" (1/1) ... [2024-11-08 22:44:36,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db7db27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:36, skipping insertion in model container [2024-11-08 22:44:36,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:36" (1/1) ... [2024-11-08 22:44:36,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:44:37,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:37,736 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:44:37,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:38,021 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:44:38,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:38 WrapperNode [2024-11-08 22:44:38,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:38,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:38,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:44:38,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:44:38,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:38" (1/1) ... [2024-11-08 22:44:38,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:38" (1/1) ... [2024-11-08 22:44:38,088 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-08 22:44:38,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:38,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:44:38,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:44:38,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:44:38,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:38" (1/1) ... [2024-11-08 22:44:38,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:38" (1/1) ... [2024-11-08 22:44:38,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:38" (1/1) ... [2024-11-08 22:44:38,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:38" (1/1) ... [2024-11-08 22:44:38,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:38" (1/1) ... [2024-11-08 22:44:38,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:38" (1/1) ... [2024-11-08 22:44:38,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:38" (1/1) ... [2024-11-08 22:44:38,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:38" (1/1) ... [2024-11-08 22:44:38,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:44:38,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:44:38,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:44:38,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:44:38,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:38" (1/1) ... [2024-11-08 22:44:38,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:38,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:44:38,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:44:38,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:44:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:44:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:44:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:44:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:44:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:44:38,428 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:44:38,431 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:44:38,592 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 22:44:38,593 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:44:38,673 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:44:38,673 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:44:38,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:38 BoogieIcfgContainer [2024-11-08 22:44:38,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:44:38,675 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:44:38,675 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:44:38,688 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:44:38,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:38" (1/1) ... [2024-11-08 22:44:38,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:44:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-08 22:44:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 22:44:38,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:44:38,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:38,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:38,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:38,780 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:38,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:44:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:39,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:39,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:39,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:44:39,181 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:44:39,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:44:39 ImpRootNode [2024-11-08 22:44:39,224 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:44:39,225 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:44:39,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:44:39,225 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:44:39,226 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:38" (3/4) ... [2024-11-08 22:44:39,231 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:44:39,232 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:44:39,235 INFO L158 Benchmark]: Toolchain (without parser) took 2889.49ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 46.4MB in the beginning and 58.5MB in the end (delta: -12.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-08 22:44:39,236 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 49.2MB in the end (delta: 91.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:39,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1676.70ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 46.3MB in the beginning and 67.3MB in the end (delta: -21.0MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-08 22:44:39,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.72ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 64.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:44:39,238 INFO L158 Benchmark]: Boogie Preprocessor took 61.40ms. Allocated memory is still 96.5MB. Free memory was 64.5MB in the beginning and 62.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:39,240 INFO L158 Benchmark]: RCFGBuilder took 522.10ms. Allocated memory is still 96.5MB. Free memory was 62.5MB in the beginning and 46.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:44:39,241 INFO L158 Benchmark]: CodeCheck took 548.97ms. Allocated memory is still 96.5MB. Free memory was 46.4MB in the beginning and 59.0MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:39,242 INFO L158 Benchmark]: Witness Printer took 7.46ms. Allocated memory is still 96.5MB. Free memory was 59.0MB in the beginning and 58.5MB in the end (delta: 484.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:39,248 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, 13 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_02_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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 0.47ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 49.2MB in the end (delta: 91.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1676.70ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 46.3MB in the beginning and 67.3MB in the end (delta: -21.0MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.72ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 64.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.40ms. Allocated memory is still 96.5MB. Free memory was 64.5MB in the beginning and 62.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.10ms. Allocated memory is still 96.5MB. Free memory was 62.5MB in the beginning and 46.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 548.97ms. Allocated memory is still 96.5MB. Free memory was 46.4MB in the beginning and 59.0MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.46ms. Allocated memory is still 96.5MB. Free memory was 59.0MB in the beginning and 58.5MB in the end (delta: 484.9kB). 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 22:44:39,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c67051-6926-4713-b0e6-74077c0023e7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample