./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_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_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/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_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/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_222ab0e7-17f1-4921-b1e3-04c02caac993/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 461796fa5ac9511b9a78d0716ad67a57772b478da0c8bae92c1903388a02f348 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:40:24,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:40:24,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:40:24,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:40:24,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:40:24,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:40:24,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:40:24,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:40:24,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:40:24,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:40:24,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:40:24,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:40:24,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:40:24,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:40:24,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:40:24,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:40:24,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:40:24,815 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:40:24,815 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:40:24,816 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:40:24,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:40:24,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:40:24,821 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:40:24,821 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:40:24,821 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:40:24,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:40:24,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:24,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:40:24,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:40:24,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:40:24,826 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:40:24,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:40:24,826 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_222ab0e7-17f1-4921-b1e3-04c02caac993/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461796fa5ac9511b9a78d0716ad67a57772b478da0c8bae92c1903388a02f348 [2024-11-08 23:40:25,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:40:25,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:40:25,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:40:25,194 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:40:25,195 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:40:25,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i Unable to find full path for "g++" [2024-11-08 23:40:27,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:40:27,605 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:40:27,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i [2024-11-08 23:40:27,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/data/7c72d1ac3/50b19a73a6974244b345a0d81c487c41/FLAG02afabe19 [2024-11-08 23:40:27,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/data/7c72d1ac3/50b19a73a6974244b345a0d81c487c41 [2024-11-08 23:40:27,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:40:27,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:40:27,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:27,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:40:27,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:40:27,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:27" (1/1) ... [2024-11-08 23:40:27,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6333e261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:27, skipping insertion in model container [2024-11-08 23:40:27,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:27" (1/1) ... [2024-11-08 23:40:27,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:40:28,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:28,934 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:40:29,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:29,244 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:40:29,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:29 WrapperNode [2024-11-08 23:40:29,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:29,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:29,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:40:29,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:40:29,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:29" (1/1) ... [2024-11-08 23:40:29,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:29" (1/1) ... [2024-11-08 23:40:29,313 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-08 23:40:29,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:29,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:40:29,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:40:29,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:40:29,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:29" (1/1) ... [2024-11-08 23:40:29,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:29" (1/1) ... [2024-11-08 23:40:29,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:29" (1/1) ... [2024-11-08 23:40:29,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:29" (1/1) ... [2024-11-08 23:40:29,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:29" (1/1) ... [2024-11-08 23:40:29,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:29" (1/1) ... [2024-11-08 23:40:29,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:29" (1/1) ... [2024-11-08 23:40:29,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:29" (1/1) ... [2024-11-08 23:40:29,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:40:29,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:40:29,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:40:29,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:40:29,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:29" (1/1) ... [2024-11-08 23:40:29,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:29,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:40:29,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:40:29,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:40:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:40:29,413 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:40:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:40:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:40:29,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:40:29,581 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:40:29,583 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:40:29,679 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:40:29,679 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:40:29,736 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:40:29,737 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:40:29,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:29 BoogieIcfgContainer [2024-11-08 23:40:29,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:40:29,741 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:40:29,741 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:40:29,754 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:40:29,755 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:29" (1/1) ... [2024-11-08 23:40:29,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:40:29,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:40:29,819 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:40:29,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:40:29,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:29,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:29,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:40:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:30,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:40:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:30,061 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:40:30,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:40:30 ImpRootNode [2024-11-08 23:40:30,086 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:40:30,087 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:40:30,087 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:40:30,088 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:40:30,088 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:29" (3/4) ... [2024-11-08 23:40:30,091 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:40:30,092 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:40:30,093 INFO L158 Benchmark]: Toolchain (without parser) took 2256.52ms. Allocated memory is still 180.4MB. Free memory was 146.3MB in the beginning and 123.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:40:30,094 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:40:30,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1406.68ms. Allocated memory is still 180.4MB. Free memory was 145.6MB in the beginning and 90.8MB in the end (delta: 54.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-08 23:40:30,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.20ms. Allocated memory is still 180.4MB. Free memory was 90.8MB in the beginning and 87.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:40:30,096 INFO L158 Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 180.4MB. Free memory was 87.9MB in the beginning and 86.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:40:30,097 INFO L158 Benchmark]: RCFGBuilder took 399.69ms. Allocated memory is still 180.4MB. Free memory was 86.6MB in the beginning and 139.0MB in the end (delta: -52.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-08 23:40:30,098 INFO L158 Benchmark]: CodeCheck took 345.50ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 124.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:40:30,098 INFO L158 Benchmark]: Witness Printer took 5.30ms. Allocated memory is still 180.4MB. Free memory was 124.3MB in the beginning and 123.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:40:30,104 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1565] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1557] 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 0.32ms. Allocated memory is still 125.8MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1406.68ms. Allocated memory is still 180.4MB. Free memory was 145.6MB in the beginning and 90.8MB in the end (delta: 54.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.20ms. Allocated memory is still 180.4MB. Free memory was 90.8MB in the beginning and 87.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.85ms. Allocated memory is still 180.4MB. Free memory was 87.9MB in the beginning and 86.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 399.69ms. Allocated memory is still 180.4MB. Free memory was 86.6MB in the beginning and 139.0MB in the end (delta: -52.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * CodeCheck took 345.50ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 124.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.30ms. Allocated memory is still 180.4MB. Free memory was 124.3MB in the beginning and 123.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:40:30,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/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_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/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_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/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_222ab0e7-17f1-4921-b1e3-04c02caac993/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 461796fa5ac9511b9a78d0716ad67a57772b478da0c8bae92c1903388a02f348 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:40:32,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:40:32,616 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:40:32,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:40:32,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:40:32,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:40:32,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:40:32,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:40:32,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:40:32,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:40:32,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:40:32,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:40:32,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:40:32,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:40:32,688 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:40:32,688 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:40:32,688 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:40:32,689 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:40:32,689 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:40:32,689 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:40:32,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:40:32,690 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:40:32,691 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:40:32,691 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:40:32,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:40:32,692 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:32,692 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:40:32,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:40:32,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:32,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:40:32,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:40:32,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:40:32,695 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:40:32,695 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:32,695 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:40:32,696 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_222ab0e7-17f1-4921-b1e3-04c02caac993/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461796fa5ac9511b9a78d0716ad67a57772b478da0c8bae92c1903388a02f348 [2024-11-08 23:40:33,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:40:33,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:40:33,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:40:33,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:40:33,099 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:40:33,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i Unable to find full path for "g++" [2024-11-08 23:40:35,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:40:35,643 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:40:35,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_31_bad.i [2024-11-08 23:40:35,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/data/0969b5d74/c0d15a5dd5e549fc86b3fa5c270f31fb/FLAG8cad5c093 [2024-11-08 23:40:35,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/data/0969b5d74/c0d15a5dd5e549fc86b3fa5c270f31fb [2024-11-08 23:40:35,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:40:35,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:40:35,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:35,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:40:35,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:40:35,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:35" (1/1) ... [2024-11-08 23:40:35,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584ab20c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:35, skipping insertion in model container [2024-11-08 23:40:35,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:35" (1/1) ... [2024-11-08 23:40:35,856 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:40:36,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:37,000 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:40:37,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:37,270 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:40:37,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:37 WrapperNode [2024-11-08 23:40:37,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:37,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:37,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:40:37,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:40:37,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:37" (1/1) ... [2024-11-08 23:40:37,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:37" (1/1) ... [2024-11-08 23:40:37,366 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-08 23:40:37,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:37,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:40:37,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:40:37,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:40:37,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:37" (1/1) ... [2024-11-08 23:40:37,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:37" (1/1) ... [2024-11-08 23:40:37,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:37" (1/1) ... [2024-11-08 23:40:37,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:37" (1/1) ... [2024-11-08 23:40:37,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:37" (1/1) ... [2024-11-08 23:40:37,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:37" (1/1) ... [2024-11-08 23:40:37,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:37" (1/1) ... [2024-11-08 23:40:37,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:37" (1/1) ... [2024-11-08 23:40:37,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:40:37,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:40:37,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:40:37,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:40:37,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:37" (1/1) ... [2024-11-08 23:40:37,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:37,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:40:37,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:40:37,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:40:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:40:37,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:40:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:40:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:40:37,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:40:37,656 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:40:37,659 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:40:37,802 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:40:37,802 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:40:37,876 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:40:37,876 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:40:37,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:37 BoogieIcfgContainer [2024-11-08 23:40:37,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:40:37,878 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:40:37,878 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:40:37,894 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:40:37,895 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:37" (1/1) ... [2024-11-08 23:40:37,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:40:37,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:40:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:40:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:40:37,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:37,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:37,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:37,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:37,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:40:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:38,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:40:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:38,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:40:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:38,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:40:38,301 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:40:38,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:40:38 ImpRootNode [2024-11-08 23:40:38,334 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:40:38,336 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:40:38,337 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:40:38,337 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:40:38,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:37" (3/4) ... [2024-11-08 23:40:38,342 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:40:38,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:40:38,344 INFO L158 Benchmark]: Toolchain (without parser) took 2576.11ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 60.3MB in the beginning and 71.7MB in the end (delta: -11.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-08 23:40:38,344 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:40:38,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1502.03ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 37.3MB in the end (delta: 22.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-08 23:40:38,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.78ms. Allocated memory is still 88.1MB. Free memory was 37.3MB in the beginning and 58.3MB in the end (delta: -21.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-08 23:40:38,347 INFO L158 Benchmark]: Boogie Preprocessor took 50.95ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 56.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:40:38,348 INFO L158 Benchmark]: RCFGBuilder took 453.45ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 41.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:40:38,349 INFO L158 Benchmark]: CodeCheck took 457.04ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 40.7MB in the beginning and 72.3MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:40:38,350 INFO L158 Benchmark]: Witness Printer took 6.60ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 71.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:40:38,355 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1565] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1557] 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 0.22ms. Allocated memory is still 60.8MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1502.03ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 37.3MB in the end (delta: 22.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.78ms. Allocated memory is still 88.1MB. Free memory was 37.3MB in the beginning and 58.3MB in the end (delta: -21.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.95ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 56.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.45ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 41.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 457.04ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 40.7MB in the beginning and 72.3MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.60ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 71.7MB in the end (delta: 2.7kB). 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 23:40:38,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ab0e7-17f1-4921-b1e3-04c02caac993/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