./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/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_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/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_254a5698-2b67-4355-a39d-e052789d4abd/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 7f171e896fdd7c47e284a88e0c689b099b14ef5b232b0143a381825b30e86edc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:59:47,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:59:47,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:59:47,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:59:47,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:59:47,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:59:47,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:59:47,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:59:47,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:59:47,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:59:47,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:59:47,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:59:47,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:59:47,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:59:47,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:59:47,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:59:47,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:59:47,681 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:59:47,681 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:59:47,682 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:59:47,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:59:47,683 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:59:47,684 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:59:47,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:59:47,684 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:59:47,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:59:47,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:47,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:59:47,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:59:47,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:59:47,686 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:59:47,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:59:47,690 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_254a5698-2b67-4355-a39d-e052789d4abd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f171e896fdd7c47e284a88e0c689b099b14ef5b232b0143a381825b30e86edc [2024-11-08 22:59:47,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:59:48,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:59:48,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:59:48,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:59:48,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:59:48,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i Unable to find full path for "g++" [2024-11-08 22:59:50,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:59:50,671 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:59:50,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i [2024-11-08 22:59:50,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/data/5e7727faf/37063f5dccc540aea7e276d0ebc4c630/FLAGf639a5224 [2024-11-08 22:59:50,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/data/5e7727faf/37063f5dccc540aea7e276d0ebc4c630 [2024-11-08 22:59:50,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:59:50,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:59:50,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:50,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:59:50,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:59:50,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:50" (1/1) ... [2024-11-08 22:59:50,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfc5f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:50, skipping insertion in model container [2024-11-08 22:59:50,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:50" (1/1) ... [2024-11-08 22:59:50,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:59:52,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:52,133 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:59:52,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:52,380 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:59:52,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:52 WrapperNode [2024-11-08 22:59:52,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:52,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:52,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:59:52,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:59:52,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:52" (1/1) ... [2024-11-08 22:59:52,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:52" (1/1) ... [2024-11-08 22:59:52,436 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 49 [2024-11-08 22:59:52,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:52,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:59:52,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:59:52,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:59:52,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:52" (1/1) ... [2024-11-08 22:59:52,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:52" (1/1) ... [2024-11-08 22:59:52,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:52" (1/1) ... [2024-11-08 22:59:52,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:52" (1/1) ... [2024-11-08 22:59:52,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:52" (1/1) ... [2024-11-08 22:59:52,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:52" (1/1) ... [2024-11-08 22:59:52,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:52" (1/1) ... [2024-11-08 22:59:52,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:52" (1/1) ... [2024-11-08 22:59:52,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:59:52,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:59:52,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:59:52,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:59:52,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:52" (1/1) ... [2024-11-08 22:59:52,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:52,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:59:52,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:59:52,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:59:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:59:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:59:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:59:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:59:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:59:52,713 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:59:52,716 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:59:52,873 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 22:59:52,873 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:59:52,932 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:59:52,932 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:59:52,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:52 BoogieIcfgContainer [2024-11-08 22:59:52,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:59:52,934 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:59:52,935 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:59:52,948 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:59:52,948 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:52" (1/1) ... [2024-11-08 22:59:52,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:59:53,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:53,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:59:53,032 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:59:53,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:59:53,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:53,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:53,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:59:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:53,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:59:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:53,348 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:59:53,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:59:53 ImpRootNode [2024-11-08 22:59:53,378 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:59:53,379 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:59:53,379 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:59:53,380 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:59:53,381 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:52" (3/4) ... [2024-11-08 22:59:53,384 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:59:53,386 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:59:53,387 INFO L158 Benchmark]: Toolchain (without parser) took 2538.08ms. Allocated memory is still 140.5MB. Free memory was 101.6MB in the beginning and 56.6MB in the end (delta: 45.0MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-11-08 22:59:53,387 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 140.5MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:53,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1531.09ms. Allocated memory is still 140.5MB. Free memory was 101.6MB in the beginning and 90.8MB in the end (delta: 10.8MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-08 22:59:53,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.62ms. Allocated memory is still 140.5MB. Free memory was 90.8MB in the beginning and 88.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:59:53,390 INFO L158 Benchmark]: Boogie Preprocessor took 25.60ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 86.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:59:53,391 INFO L158 Benchmark]: RCFGBuilder took 469.99ms. Allocated memory is still 140.5MB. Free memory was 86.6MB in the beginning and 72.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:59:53,392 INFO L158 Benchmark]: CodeCheck took 444.00ms. Allocated memory is still 140.5MB. Free memory was 72.6MB in the beginning and 57.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:59:53,393 INFO L158 Benchmark]: Witness Printer took 6.84ms. Allocated memory is still 140.5MB. Free memory was 57.3MB in the beginning and 56.6MB in the end (delta: 635.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:53,397 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_52c_badSink(data) [L1572] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 140.5MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1531.09ms. Allocated memory is still 140.5MB. Free memory was 101.6MB in the beginning and 90.8MB in the end (delta: 10.8MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.62ms. Allocated memory is still 140.5MB. Free memory was 90.8MB in the beginning and 88.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.60ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 86.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.99ms. Allocated memory is still 140.5MB. Free memory was 86.6MB in the beginning and 72.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 444.00ms. Allocated memory is still 140.5MB. Free memory was 72.6MB in the beginning and 57.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.84ms. Allocated memory is still 140.5MB. Free memory was 57.3MB in the beginning and 56.6MB in the end (delta: 635.8kB). 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 22:59:53,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/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_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/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_254a5698-2b67-4355-a39d-e052789d4abd/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 7f171e896fdd7c47e284a88e0c689b099b14ef5b232b0143a381825b30e86edc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:59:56,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:59:56,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:59:56,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:59:56,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:59:56,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:59:56,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:59:56,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:59:56,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:59:56,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:59:56,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:59:56,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:59:56,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:59:56,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:59:56,378 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:59:56,378 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:59:56,379 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:59:56,379 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:59:56,379 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:59:56,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:59:56,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:59:56,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:59:56,382 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:59:56,382 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:59:56,383 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:59:56,383 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:56,384 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:59:56,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:59:56,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:56,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:59:56,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:59:56,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:59:56,386 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:59:56,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:56,387 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:59:56,387 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_254a5698-2b67-4355-a39d-e052789d4abd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f171e896fdd7c47e284a88e0c689b099b14ef5b232b0143a381825b30e86edc [2024-11-08 22:59:56,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:59:56,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:59:56,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:59:56,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:59:56,895 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:59:56,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i Unable to find full path for "g++" [2024-11-08 22:59:59,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:00:00,011 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:00:00,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_52_bad.i [2024-11-08 23:00:00,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/data/9283a2e7d/a90d76e358b94b93b3016fcdc6513e97/FLAG06618b262 [2024-11-08 23:00:00,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/data/9283a2e7d/a90d76e358b94b93b3016fcdc6513e97 [2024-11-08 23:00:00,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:00:00,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:00:00,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:00,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:00:00,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:00:00,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:00" (1/1) ... [2024-11-08 23:00:00,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f8dea8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:00, skipping insertion in model container [2024-11-08 23:00:00,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:00" (1/1) ... [2024-11-08 23:00:00,177 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:00:01,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:01,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:00:01,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:01,801 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:00:01,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:01 WrapperNode [2024-11-08 23:00:01,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:01,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:01,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:00:01,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:00:01,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:01" (1/1) ... [2024-11-08 23:00:01,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:01" (1/1) ... [2024-11-08 23:00:01,872 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2024-11-08 23:00:01,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:01,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:00:01,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:00:01,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:00:01,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:01" (1/1) ... [2024-11-08 23:00:01,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:01" (1/1) ... [2024-11-08 23:00:01,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:01" (1/1) ... [2024-11-08 23:00:01,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:01" (1/1) ... [2024-11-08 23:00:01,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:01" (1/1) ... [2024-11-08 23:00:01,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:01" (1/1) ... [2024-11-08 23:00:01,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:01" (1/1) ... [2024-11-08 23:00:01,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:01" (1/1) ... [2024-11-08 23:00:01,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:00:01,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:00:01,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:00:01,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:00:01,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:01" (1/1) ... [2024-11-08 23:00:01,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:01,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:00:01,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:00:01,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:00:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:00:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:00:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:00:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:00:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:00:02,195 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:00:02,198 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:00:02,389 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:00:02,389 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:00:02,469 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:00:02,470 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:00:02,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:02 BoogieIcfgContainer [2024-11-08 23:00:02,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:00:02,471 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:00:02,472 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:00:02,485 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:00:02,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:02" (1/1) ... [2024-11-08 23:00:02,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:00:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:02,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:00:02,589 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:00:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:00:02,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:02,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:02,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:02,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:02,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:00:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:00:02,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:00:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:00:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:00:03,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:00:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:00:03,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:00:03,109 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:00:03,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:00:03 ImpRootNode [2024-11-08 23:00:03,150 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:00:03,151 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:00:03,153 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:00:03,153 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:00:03,154 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:02" (3/4) ... [2024-11-08 23:00:03,158 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:00:03,160 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:00:03,161 INFO L158 Benchmark]: Toolchain (without parser) took 3082.14ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 69.2MB in the beginning and 78.2MB in the end (delta: -9.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-08 23:00:03,162 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:00:03,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1721.48ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 67.8MB in the end (delta: 1.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:03,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.46ms. Allocated memory is still 96.5MB. Free memory was 67.8MB in the beginning and 64.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:03,166 INFO L158 Benchmark]: Boogie Preprocessor took 35.91ms. Allocated memory is still 96.5MB. Free memory was 64.8MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:03,167 INFO L158 Benchmark]: RCFGBuilder took 560.12ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 46.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:00:03,169 INFO L158 Benchmark]: CodeCheck took 678.72ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 46.4MB in the beginning and 79.0MB in the end (delta: -32.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:00:03,170 INFO L158 Benchmark]: Witness Printer took 9.15ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.2MB in the end (delta: 778.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:00:03,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_52c_badSink(data) [L1572] --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 0.26ms. Allocated memory is still 73.4MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1721.48ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 67.8MB in the end (delta: 1.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.46ms. Allocated memory is still 96.5MB. Free memory was 67.8MB in the beginning and 64.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.91ms. Allocated memory is still 96.5MB. Free memory was 64.8MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.12ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 46.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 678.72ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 46.4MB in the beginning and 79.0MB in the end (delta: -32.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.15ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.2MB in the end (delta: 778.9kB). 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 23:00:03,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254a5698-2b67-4355-a39d-e052789d4abd/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