./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_67_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_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/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_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/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_ee051f6e-eac3-485f-ab4b-ade4a8606777/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 f97c92bbd812e775ed1c8337dfc0eee1f57507c1be0b48de9485297f8b263c65 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:38:46,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:38:46,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:38:46,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:38:46,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:38:46,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:38:46,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:38:46,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:38:46,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:38:46,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:38:46,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:38:46,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:38:46,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:38:46,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:38:46,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:38:46,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:38:46,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:38:46,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:38:46,756 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:38:46,757 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:38:46,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:38:46,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:38:46,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:38:46,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:38:46,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:38:46,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:38:46,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:46,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:38:46,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:38:46,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:38:46,765 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:38:46,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:38:46,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97c92bbd812e775ed1c8337dfc0eee1f57507c1be0b48de9485297f8b263c65 [2024-11-08 23:38:47,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:38:47,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:38:47,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:38:47,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:38:47,099 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:38:47,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_67_bad.i Unable to find full path for "g++" [2024-11-08 23:38:49,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:38:49,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:38:49,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_67_bad.i [2024-11-08 23:38:49,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/data/489db0721/6f2aae67786f4e43ae371ce900f61f53/FLAGd1c2cc605 [2024-11-08 23:38:49,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/data/489db0721/6f2aae67786f4e43ae371ce900f61f53 [2024-11-08 23:38:49,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:38:49,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:38:49,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:49,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:38:49,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:38:49,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:49" (1/1) ... [2024-11-08 23:38:49,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b4446e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:49, skipping insertion in model container [2024-11-08 23:38:49,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:49" (1/1) ... [2024-11-08 23:38:49,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:38:50,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:50,738 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:38:50,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:51,029 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:38:51,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:51 WrapperNode [2024-11-08 23:38:51,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:51,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:51,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:38:51,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:38:51,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:51" (1/1) ... [2024-11-08 23:38:51,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:51" (1/1) ... [2024-11-08 23:38:51,085 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2024-11-08 23:38:51,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:51,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:38:51,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:38:51,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:38:51,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:51" (1/1) ... [2024-11-08 23:38:51,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:51" (1/1) ... [2024-11-08 23:38:51,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:51" (1/1) ... [2024-11-08 23:38:51,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:51" (1/1) ... [2024-11-08 23:38:51,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:51" (1/1) ... [2024-11-08 23:38:51,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:51" (1/1) ... [2024-11-08 23:38:51,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:51" (1/1) ... [2024-11-08 23:38:51,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:51" (1/1) ... [2024-11-08 23:38:51,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:38:51,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:38:51,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:38:51,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:38:51,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:51" (1/1) ... [2024-11-08 23:38:51,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:51,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:38:51,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:38:51,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:38:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:38:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:38:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:38:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:38:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:38:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:38:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:38:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:38:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:38:51,416 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:38:51,419 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:38:51,582 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 23:38:51,582 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:38:51,645 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:38:51,646 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:38:51,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:51 BoogieIcfgContainer [2024-11-08 23:38:51,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:38:51,647 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:38:51,647 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:38:51,658 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:38:51,659 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:51" (1/1) ... [2024-11-08 23:38:51,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:38:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:38:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:38:51,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:38:51,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:51,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:51,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:51,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:52,029 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:38:52,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:38:52 ImpRootNode [2024-11-08 23:38:52,054 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:38:52,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:38:52,055 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:38:52,055 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:38:52,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:51" (3/4) ... [2024-11-08 23:38:52,058 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:38:52,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:38:52,060 INFO L158 Benchmark]: Toolchain (without parser) took 2451.50ms. Allocated memory is still 165.7MB. Free memory was 124.3MB in the beginning and 83.4MB in the end (delta: 40.9MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:52,061 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory was 69.6MB in the beginning and 69.4MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:52,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1419.64ms. Allocated memory is still 165.7MB. Free memory was 124.3MB in the beginning and 123.2MB in the end (delta: 1.2MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2024-11-08 23:38:52,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.12ms. Allocated memory is still 165.7MB. Free memory was 123.2MB in the beginning and 120.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:38:52,064 INFO L158 Benchmark]: Boogie Preprocessor took 25.07ms. Allocated memory is still 165.7MB. Free memory was 120.1MB in the beginning and 118.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:52,065 INFO L158 Benchmark]: RCFGBuilder took 534.73ms. Allocated memory is still 165.7MB. Free memory was 118.0MB in the beginning and 103.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:38:52,066 INFO L158 Benchmark]: CodeCheck took 406.68ms. Allocated memory is still 165.7MB. Free memory was 103.3MB in the beginning and 84.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:38:52,067 INFO L158 Benchmark]: Witness Printer took 4.93ms. Allocated memory is still 165.7MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:52,071 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 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: 1573]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_min_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_min_postdec_67_structType myStruct; [L1557] data = 0 [L1558] data = (-0x7fffffff - 1) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory was 69.6MB in the beginning and 69.4MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1419.64ms. Allocated memory is still 165.7MB. Free memory was 124.3MB in the beginning and 123.2MB in the end (delta: 1.2MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.12ms. Allocated memory is still 165.7MB. Free memory was 123.2MB in the beginning and 120.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.07ms. Allocated memory is still 165.7MB. Free memory was 120.1MB in the beginning and 118.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.73ms. Allocated memory is still 165.7MB. Free memory was 118.0MB in the beginning and 103.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 406.68ms. Allocated memory is still 165.7MB. Free memory was 103.3MB in the beginning and 84.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.93ms. Allocated memory is still 165.7MB. Free memory is still 83.4MB. 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 23:38:52,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/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_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/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_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/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_ee051f6e-eac3-485f-ab4b-ade4a8606777/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 f97c92bbd812e775ed1c8337dfc0eee1f57507c1be0b48de9485297f8b263c65 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:38:54,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:38:54,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:38:54,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:38:54,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:38:54,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:38:54,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:38:54,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:38:54,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:38:54,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:38:54,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:38:54,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:38:54,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:38:54,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:38:54,725 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:38:54,726 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:38:54,726 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:38:54,726 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:38:54,726 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:38:54,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:38:54,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:38:54,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:38:54,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:38:54,732 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:38:54,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:38:54,733 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:54,733 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:38:54,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:38:54,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:54,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:38:54,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:38:54,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:38:54,735 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:38:54,735 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:54,736 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:38:54,736 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_ee051f6e-eac3-485f-ab4b-ade4a8606777/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97c92bbd812e775ed1c8337dfc0eee1f57507c1be0b48de9485297f8b263c65 [2024-11-08 23:38:55,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:38:55,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:38:55,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:38:55,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:38:55,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:38:55,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_67_bad.i Unable to find full path for "g++" [2024-11-08 23:38:57,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:38:57,620 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:38:57,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_67_bad.i [2024-11-08 23:38:57,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/data/65a9822c2/2b8c437bf21047b48d31bb26cf2012ca/FLAG13659890f [2024-11-08 23:38:57,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/data/65a9822c2/2b8c437bf21047b48d31bb26cf2012ca [2024-11-08 23:38:57,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:38:57,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:38:57,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:57,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:38:57,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:38:57,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:57" (1/1) ... [2024-11-08 23:38:57,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df2874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:57, skipping insertion in model container [2024-11-08 23:38:57,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:57" (1/1) ... [2024-11-08 23:38:57,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:38:58,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:58,713 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:38:58,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:58,982 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:38:58,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:58 WrapperNode [2024-11-08 23:38:58,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:58,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:58,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:38:58,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:38:58,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:58" (1/1) ... [2024-11-08 23:38:59,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:58" (1/1) ... [2024-11-08 23:38:59,049 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2024-11-08 23:38:59,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:59,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:38:59,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:38:59,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:38:59,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:58" (1/1) ... [2024-11-08 23:38:59,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:58" (1/1) ... [2024-11-08 23:38:59,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:58" (1/1) ... [2024-11-08 23:38:59,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:58" (1/1) ... [2024-11-08 23:38:59,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:58" (1/1) ... [2024-11-08 23:38:59,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:58" (1/1) ... [2024-11-08 23:38:59,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:58" (1/1) ... [2024-11-08 23:38:59,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:58" (1/1) ... [2024-11-08 23:38:59,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:38:59,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:38:59,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:38:59,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:38:59,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:58" (1/1) ... [2024-11-08 23:38:59,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:59,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:38:59,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:38:59,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:38:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:38:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:38:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:38:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:38:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:38:59,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:38:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:38:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:38:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:38:59,355 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:38:59,358 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:38:59,598 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 23:38:59,598 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:38:59,666 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:38:59,666 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:38:59,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:59 BoogieIcfgContainer [2024-11-08 23:38:59,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:38:59,668 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:38:59,668 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:38:59,678 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:38:59,678 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:59" (1/1) ... [2024-11-08 23:38:59,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:38:59,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:59,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:38:59,792 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:38:59,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:38:59,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:59,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:59,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:38:59,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:38:59,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:39:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:39:00,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:39:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:39:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:39:00,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:39:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:39:00,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:39:00,541 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:39:00,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:39:00 ImpRootNode [2024-11-08 23:39:00,580 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:39:00,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:39:00,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:39:00,583 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:39:00,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:59" (3/4) ... [2024-11-08 23:39:00,586 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:39:00,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:39:00,589 INFO L158 Benchmark]: Toolchain (without parser) took 2917.38ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 62.3MB in the beginning and 68.6MB in the end (delta: -6.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-08 23:39:00,590 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:39:00,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1309.11ms. Allocated memory is still 90.2MB. Free memory was 62.0MB in the beginning and 61.2MB in the end (delta: 845.7kB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 23:39:00,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.46ms. Allocated memory is still 90.2MB. Free memory was 61.2MB in the beginning and 58.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:39:00,592 INFO L158 Benchmark]: Boogie Preprocessor took 43.12ms. Allocated memory is still 90.2MB. Free memory was 58.0MB in the beginning and 55.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:39:00,594 INFO L158 Benchmark]: RCFGBuilder took 572.33ms. Allocated memory is still 90.2MB. Free memory was 55.9MB in the beginning and 38.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:39:00,594 INFO L158 Benchmark]: CodeCheck took 912.79ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 38.3MB in the beginning and 68.6MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:39:00,595 INFO L158 Benchmark]: Witness Printer took 5.71ms. Allocated memory is still 115.3MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:39:00,599 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: 0.8s, 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, 0.1s 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: 1573]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_min_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_min_postdec_67_structType myStruct; [L1557] data = 0 [L1558] data = (-0x7fffffff - 1) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1309.11ms. Allocated memory is still 90.2MB. Free memory was 62.0MB in the beginning and 61.2MB in the end (delta: 845.7kB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.46ms. Allocated memory is still 90.2MB. Free memory was 61.2MB in the beginning and 58.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.12ms. Allocated memory is still 90.2MB. Free memory was 58.0MB in the beginning and 55.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.33ms. Allocated memory is still 90.2MB. Free memory was 55.9MB in the beginning and 38.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 912.79ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 38.3MB in the beginning and 68.6MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.71ms. Allocated memory is still 115.3MB. Free memory is still 68.6MB. 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 23:39:00,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee051f6e-eac3-485f-ab4b-ade4a8606777/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