./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_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_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/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_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/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_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/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 0e54e85bcbc97d5ef7d6dfe8d972d3f577dbabd923aa5a4e938534128011b6de --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:27:47,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:27:47,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:27:47,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:27:47,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:27:47,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:27:47,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:27:47,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:27:47,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:27:47,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:27:47,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:27:47,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:27:47,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:27:47,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:27:47,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:27:47,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:27:47,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:27:47,680 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:27:47,680 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:27:47,680 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:27:47,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:27:47,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:27:47,686 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:27:47,686 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:27:47,687 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:27:47,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:27:47,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:47,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:27:47,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:27:47,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:27:47,692 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:27:47,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:27:47,693 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_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e54e85bcbc97d5ef7d6dfe8d972d3f577dbabd923aa5a4e938534128011b6de [2024-11-08 19:27:48,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:27:48,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:27:48,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:27:48,139 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:27:48,140 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:27:48,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i Unable to find full path for "g++" [2024-11-08 19:27:50,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:27:51,174 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:27:51,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i [2024-11-08 19:27:51,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/data/a37f3d2f4/5eca742bf31049629b2e6e3d39143d4a/FLAG3d098db2b [2024-11-08 19:27:51,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/data/a37f3d2f4/5eca742bf31049629b2e6e3d39143d4a [2024-11-08 19:27:51,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:27:51,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:27:51,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:51,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:27:51,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:27:51,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:51" (1/1) ... [2024-11-08 19:27:51,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b62115f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:51, skipping insertion in model container [2024-11-08 19:27:51,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:51" (1/1) ... [2024-11-08 19:27:51,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:27:52,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:52,616 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:27:52,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:52,939 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:27:52,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:52 WrapperNode [2024-11-08 19:27:52,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:52,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:52,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:27:52,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:27:52,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:52" (1/1) ... [2024-11-08 19:27:53,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:52" (1/1) ... [2024-11-08 19:27:53,067 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-08 19:27:53,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:53,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:27:53,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:27:53,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:27:53,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:52" (1/1) ... [2024-11-08 19:27:53,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:52" (1/1) ... [2024-11-08 19:27:53,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:52" (1/1) ... [2024-11-08 19:27:53,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:52" (1/1) ... [2024-11-08 19:27:53,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:52" (1/1) ... [2024-11-08 19:27:53,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:52" (1/1) ... [2024-11-08 19:27:53,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:52" (1/1) ... [2024-11-08 19:27:53,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:52" (1/1) ... [2024-11-08 19:27:53,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:27:53,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:27:53,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:27:53,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:27:53,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:52" (1/1) ... [2024-11-08 19:27:53,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:53,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:27:53,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:27:53,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:27:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:27:53,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:27:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:27:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:27:53,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:27:53,473 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:27:53,475 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:27:53,603 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 19:27:53,604 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:27:53,674 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:27:53,675 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:27:53,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:53 BoogieIcfgContainer [2024-11-08 19:27:53,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:27:53,677 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:27:53,677 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:27:53,690 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:27:53,691 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:53" (1/1) ... [2024-11-08 19:27:53,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 19:27:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 19:27:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:27:53,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:53,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:53,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:54,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:54,137 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:27:54,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:27:54 ImpRootNode [2024-11-08 19:27:54,169 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:27:54,170 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:27:54,170 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:27:54,170 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:27:54,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:53" (3/4) ... [2024-11-08 19:27:54,175 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:27:54,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:27:54,178 INFO L158 Benchmark]: Toolchain (without parser) took 2935.47ms. Allocated memory is still 163.6MB. Free memory was 133.1MB in the beginning and 104.4MB in the end (delta: 28.8MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-08 19:27:54,179 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:54,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1695.20ms. Allocated memory is still 163.6MB. Free memory was 132.9MB in the beginning and 69.9MB in the end (delta: 63.0MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-11-08 19:27:54,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.54ms. Allocated memory is still 163.6MB. Free memory was 69.1MB in the beginning and 130.4MB in the end (delta: -61.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-08 19:27:54,181 INFO L158 Benchmark]: Boogie Preprocessor took 49.08ms. Allocated memory is still 163.6MB. Free memory was 130.4MB in the beginning and 129.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:27:54,182 INFO L158 Benchmark]: RCFGBuilder took 556.25ms. Allocated memory is still 163.6MB. Free memory was 129.3MB in the beginning and 120.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 19:27:54,183 INFO L158 Benchmark]: CodeCheck took 492.49ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 105.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:27:54,184 INFO L158 Benchmark]: Witness Printer took 6.98ms. Allocated memory is still 163.6MB. Free memory was 105.3MB in the beginning and 104.4MB in the end (delta: 900.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:27:54,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1695.20ms. Allocated memory is still 163.6MB. Free memory was 132.9MB in the beginning and 69.9MB in the end (delta: 63.0MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.54ms. Allocated memory is still 163.6MB. Free memory was 69.1MB in the beginning and 130.4MB in the end (delta: -61.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.08ms. Allocated memory is still 163.6MB. Free memory was 130.4MB in the beginning and 129.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.25ms. Allocated memory is still 163.6MB. Free memory was 129.3MB in the beginning and 120.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 492.49ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 105.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.98ms. Allocated memory is still 163.6MB. Free memory was 105.3MB in the beginning and 104.4MB in the end (delta: 900.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:27:54,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/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_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/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_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/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_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/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 0e54e85bcbc97d5ef7d6dfe8d972d3f577dbabd923aa5a4e938534128011b6de --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:27:57,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:27:57,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:27:57,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:27:57,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:27:57,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:27:57,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:27:57,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:27:57,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:27:57,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:27:57,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:27:57,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:27:57,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:27:57,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:27:57,451 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:27:57,452 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:27:57,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:27:57,452 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:27:57,453 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:27:57,453 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:27:57,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:27:57,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:27:57,456 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:27:57,456 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:27:57,457 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:27:57,457 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:57,458 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:27:57,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:27:57,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:57,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:27:57,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:27:57,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:27:57,460 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:27:57,461 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:57,461 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:27:57,461 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_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e54e85bcbc97d5ef7d6dfe8d972d3f577dbabd923aa5a4e938534128011b6de [2024-11-08 19:27:57,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:27:57,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:27:57,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:27:57,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:27:57,999 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:27:58,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i Unable to find full path for "g++" [2024-11-08 19:28:00,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:28:01,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:28:01,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_10_bad.i [2024-11-08 19:28:01,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/data/011d5b2dc/5bf9e91192b9428b8b0fc050360436ac/FLAG714066f92 [2024-11-08 19:28:01,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/data/011d5b2dc/5bf9e91192b9428b8b0fc050360436ac [2024-11-08 19:28:01,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:28:01,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:28:01,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:28:01,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:28:01,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:28:01,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:28:01" (1/1) ... [2024-11-08 19:28:01,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c96096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:01, skipping insertion in model container [2024-11-08 19:28:01,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:28:01" (1/1) ... [2024-11-08 19:28:01,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:28:03,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:28:03,625 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:28:03,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:28:04,004 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:28:04,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:04 WrapperNode [2024-11-08 19:28:04,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:28:04,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:28:04,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:28:04,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:28:04,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:04" (1/1) ... [2024-11-08 19:28:04,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:04" (1/1) ... [2024-11-08 19:28:04,086 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-08 19:28:04,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:28:04,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:28:04,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:28:04,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:28:04,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:04" (1/1) ... [2024-11-08 19:28:04,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:04" (1/1) ... [2024-11-08 19:28:04,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:04" (1/1) ... [2024-11-08 19:28:04,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:04" (1/1) ... [2024-11-08 19:28:04,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:04" (1/1) ... [2024-11-08 19:28:04,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:04" (1/1) ... [2024-11-08 19:28:04,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:04" (1/1) ... [2024-11-08 19:28:04,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:04" (1/1) ... [2024-11-08 19:28:04,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:28:04,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:28:04,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:28:04,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:28:04,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:04" (1/1) ... [2024-11-08 19:28:04,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:28:04,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:28:04,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:28:04,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:28:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:28:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:28:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:28:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:28:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:28:04,517 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:28:04,520 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:28:04,693 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 19:28:04,693 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:28:04,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:28:04,803 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:28:04,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:28:04 BoogieIcfgContainer [2024-11-08 19:28:04,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:28:04,806 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:28:04,807 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:28:04,820 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:28:04,821 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:28:04" (1/1) ... [2024-11-08 19:28:04,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:28:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:28:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 19:28:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 19:28:04,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:28:04,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:28:04,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:28:04,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:28:04,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:28:04,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:28:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:28:05,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:28:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:28:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:28:05,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:28:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:28:05,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:28:05,328 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:28:05,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:28:05 ImpRootNode [2024-11-08 19:28:05,370 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:28:05,371 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:28:05,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:28:05,372 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:28:05,374 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:28:04" (3/4) ... [2024-11-08 19:28:05,378 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:28:05,379 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:28:05,381 INFO L158 Benchmark]: Toolchain (without parser) took 3559.46ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 43.0MB in the beginning and 42.0MB in the end (delta: 1.0MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-11-08 19:28:05,381 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 87.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:28:05,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2181.28ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 42.8MB in the beginning and 52.3MB in the end (delta: -9.5MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-08 19:28:05,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.15ms. Allocated memory is still 92.3MB. Free memory was 52.3MB in the beginning and 49.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:28:05,384 INFO L158 Benchmark]: Boogie Preprocessor took 69.38ms. Allocated memory is still 92.3MB. Free memory was 49.4MB in the beginning and 47.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:28:05,385 INFO L158 Benchmark]: RCFGBuilder took 647.34ms. Allocated memory is still 92.3MB. Free memory was 47.3MB in the beginning and 55.8MB in the end (delta: -8.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:28:05,386 INFO L158 Benchmark]: CodeCheck took 564.50ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 42.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:28:05,387 INFO L158 Benchmark]: Witness Printer took 8.38ms. Allocated memory is still 92.3MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:28:05,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 87.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2181.28ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 42.8MB in the beginning and 52.3MB in the end (delta: -9.5MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.15ms. Allocated memory is still 92.3MB. Free memory was 52.3MB in the beginning and 49.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.38ms. Allocated memory is still 92.3MB. Free memory was 49.4MB in the beginning and 47.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 647.34ms. Allocated memory is still 92.3MB. Free memory was 47.3MB in the beginning and 55.8MB in the end (delta: -8.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 564.50ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 42.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 8.38ms. Allocated memory is still 92.3MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:28:05,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4651c9-93a1-43c9-9b9e-6d515d46b4e8/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