./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_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_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/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_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/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_ae5e8d21-1f41-43d6-9d80-349ad149adf7/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 ed4f54db42721b17d5fdecd7102f95e651a969636faed2d0ee5cf935f3bf2d54 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:52:40,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:52:40,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:52:40,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:52:40,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:52:40,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:52:40,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:52:40,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:52:40,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:52:40,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:52:40,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:52:40,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:52:40,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:52:40,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:52:40,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:52:40,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:52:40,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:52:40,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:52:40,635 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:52:40,635 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:52:40,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:52:40,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:52:40,641 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:52:40,641 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:52:40,641 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:52:40,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:52:40,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:52:40,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:52:40,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:52:40,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:52:40,654 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:52:40,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:52:40,654 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_ae5e8d21-1f41-43d6-9d80-349ad149adf7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed4f54db42721b17d5fdecd7102f95e651a969636faed2d0ee5cf935f3bf2d54 [2024-11-08 23:52:40,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:52:40,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:52:40,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:52:40,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:52:40,950 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:52:40,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_bad.i Unable to find full path for "g++" [2024-11-08 23:52:42,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:52:43,337 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:52:43,338 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_bad.i [2024-11-08 23:52:43,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/data/2107c5d4a/3c889305dc2a4e91865f51b7bbae39c8/FLAG1b5d3711a [2024-11-08 23:52:43,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/data/2107c5d4a/3c889305dc2a4e91865f51b7bbae39c8 [2024-11-08 23:52:43,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:52:43,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:52:43,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:52:43,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:52:43,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:52:43,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:52:43" (1/1) ... [2024-11-08 23:52:43,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48aa3ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:43, skipping insertion in model container [2024-11-08 23:52:43,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:52:43" (1/1) ... [2024-11-08 23:52:43,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:52:44,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:52:44,463 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:52:44,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:52:44,754 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:52:44,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:44 WrapperNode [2024-11-08 23:52:44,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:52:44,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:52:44,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:52:44,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:52:44,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:44" (1/1) ... [2024-11-08 23:52:44,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:44" (1/1) ... [2024-11-08 23:52:44,852 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-08 23:52:44,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:52:44,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:52:44,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:52:44,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:52:44,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:44" (1/1) ... [2024-11-08 23:52:44,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:44" (1/1) ... [2024-11-08 23:52:44,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:44" (1/1) ... [2024-11-08 23:52:44,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:44" (1/1) ... [2024-11-08 23:52:44,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:44" (1/1) ... [2024-11-08 23:52:44,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:44" (1/1) ... [2024-11-08 23:52:44,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:44" (1/1) ... [2024-11-08 23:52:44,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:44" (1/1) ... [2024-11-08 23:52:44,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:52:44,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:52:44,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:52:44,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:52:44,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:44" (1/1) ... [2024-11-08 23:52:44,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:52:44,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:52:44,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:52:44,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:52:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:52:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:52:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:52:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:52:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:52:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:52:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:52:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:52:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:52:45,130 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:52:45,132 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:52:45,247 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 23:52:45,248 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:52:45,307 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:52:45,308 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:52:45,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:45 BoogieIcfgContainer [2024-11-08 23:52:45,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:52:45,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:52:45,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:52:45,321 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:52:45,321 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:45" (1/1) ... [2024-11-08 23:52:45,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:52:45,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:52:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:52:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:52:45,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:45,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:52:45,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:52:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:52:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:52:45,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:52:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:52:45,801 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:52:45,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:52:45 ImpRootNode [2024-11-08 23:52:45,837 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:52:45,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:52:45,840 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:52:45,840 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:52:45,841 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:45" (3/4) ... [2024-11-08 23:52:45,844 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:52:45,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:52:45,847 INFO L158 Benchmark]: Toolchain (without parser) took 2461.91ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 124.5MB in the beginning and 148.5MB in the end (delta: -24.0MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-11-08 23:52:45,848 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 165.7MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:52:45,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1368.73ms. Allocated memory is still 165.7MB. Free memory was 124.5MB in the beginning and 129.3MB in the end (delta: -4.8MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2024-11-08 23:52:45,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.68ms. Allocated memory is still 220.2MB. Free memory was 187.3MB in the beginning and 185.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:52:45,851 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 220.2MB. Free memory was 185.2MB in the beginning and 183.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:52:45,852 INFO L158 Benchmark]: RCFGBuilder took 424.33ms. Allocated memory is still 220.2MB. Free memory was 183.1MB in the beginning and 168.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:52:45,853 INFO L158 Benchmark]: CodeCheck took 528.22ms. Allocated memory is still 220.2MB. Free memory was 168.4MB in the beginning and 149.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:52:45,854 INFO L158 Benchmark]: Witness Printer took 6.86ms. Allocated memory is still 220.2MB. Free memory was 149.2MB in the beginning and 148.5MB in the end (delta: 759.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:52:45,857 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1562]: 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 1571. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 165.7MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1368.73ms. Allocated memory is still 165.7MB. Free memory was 124.5MB in the beginning and 129.3MB in the end (delta: -4.8MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.68ms. Allocated memory is still 220.2MB. Free memory was 187.3MB in the beginning and 185.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 220.2MB. Free memory was 185.2MB in the beginning and 183.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 424.33ms. Allocated memory is still 220.2MB. Free memory was 183.1MB in the beginning and 168.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 528.22ms. Allocated memory is still 220.2MB. Free memory was 168.4MB in the beginning and 149.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 6.86ms. Allocated memory is still 220.2MB. Free memory was 149.2MB in the beginning and 148.5MB in the end (delta: 759.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:52:45,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/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 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_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/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_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/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_ae5e8d21-1f41-43d6-9d80-349ad149adf7/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 ed4f54db42721b17d5fdecd7102f95e651a969636faed2d0ee5cf935f3bf2d54 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:52:48,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:52:48,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:52:48,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:52:48,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:52:48,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:52:48,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:52:48,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:52:48,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:52:48,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:52:48,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:52:48,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:52:48,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:52:48,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:52:48,761 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:52:48,762 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:52:48,762 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:52:48,763 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:52:48,763 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:52:48,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:52:48,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:52:48,768 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:52:48,769 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:52:48,769 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:52:48,769 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:52:48,770 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:48,770 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:52:48,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:52:48,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:52:48,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:52:48,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:52:48,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:52:48,775 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:52:48,776 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:48,776 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:52:48,776 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_ae5e8d21-1f41-43d6-9d80-349ad149adf7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed4f54db42721b17d5fdecd7102f95e651a969636faed2d0ee5cf935f3bf2d54 [2024-11-08 23:52:49,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:52:49,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:52:49,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:52:49,221 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:52:49,221 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:52:49,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_bad.i Unable to find full path for "g++" [2024-11-08 23:52:51,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:52:51,698 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:52:51,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_bad.i [2024-11-08 23:52:51,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/data/bb0da225b/e96786920c6d4659b0a3a7f608023361/FLAGb8d60213c [2024-11-08 23:52:51,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/data/bb0da225b/e96786920c6d4659b0a3a7f608023361 [2024-11-08 23:52:51,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:52:51,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:52:51,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:52:51,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:52:51,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:52:51,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:52:51" (1/1) ... [2024-11-08 23:52:51,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f4d575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:51, skipping insertion in model container [2024-11-08 23:52:51,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:52:51" (1/1) ... [2024-11-08 23:52:51,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:52:53,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:52:53,143 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:52:53,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:52:53,455 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:52:53,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:53 WrapperNode [2024-11-08 23:52:53,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:52:53,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:52:53,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:52:53,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:52:53,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:53" (1/1) ... [2024-11-08 23:52:53,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:53" (1/1) ... [2024-11-08 23:52:53,522 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-08 23:52:53,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:52:53,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:52:53,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:52:53,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:52:53,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:53" (1/1) ... [2024-11-08 23:52:53,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:53" (1/1) ... [2024-11-08 23:52:53,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:53" (1/1) ... [2024-11-08 23:52:53,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:53" (1/1) ... [2024-11-08 23:52:53,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:53" (1/1) ... [2024-11-08 23:52:53,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:53" (1/1) ... [2024-11-08 23:52:53,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:53" (1/1) ... [2024-11-08 23:52:53,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:53" (1/1) ... [2024-11-08 23:52:53,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:52:53,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:52:53,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:52:53,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:52:53,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:53" (1/1) ... [2024-11-08 23:52:53,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:52:53,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:52:53,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:52:53,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:52:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:52:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:52:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:52:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:52:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:52:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:52:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:52:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:52:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:52:53,859 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:52:53,861 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:52:54,069 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 23:52:54,069 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:52:54,123 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:52:54,123 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:52:54,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:54 BoogieIcfgContainer [2024-11-08 23:52:54,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:52:54,127 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:52:54,128 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:52:54,137 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:52:54,137 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:54" (1/1) ... [2024-11-08 23:52:54,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:52:54,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:52:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:52:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:52:54,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:54,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:54,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:54,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:54,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:52:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:52:54,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:52:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:52:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:52:54,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:52:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:52:54,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:54,746 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:52:54,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:52:54 ImpRootNode [2024-11-08 23:52:54,781 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:52:54,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:52:54,784 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:52:54,784 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:52:54,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:54" (3/4) ... [2024-11-08 23:52:54,787 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:52:54,788 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:52:54,789 INFO L158 Benchmark]: Toolchain (without parser) took 2967.23ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 64.1MB in the end (delta: 25.0MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-11-08 23:52:54,790 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 81.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:52:54,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1630.86ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 52.6MB in the end (delta: 36.5MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-11-08 23:52:54,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.02ms. Allocated memory is still 117.4MB. Free memory was 52.6MB in the beginning and 49.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:52:54,792 INFO L158 Benchmark]: Boogie Preprocessor took 57.79ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 47.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:52:54,793 INFO L158 Benchmark]: RCFGBuilder took 541.71ms. Allocated memory is still 117.4MB. Free memory was 47.7MB in the beginning and 82.2MB in the end (delta: -34.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-08 23:52:54,794 INFO L158 Benchmark]: CodeCheck took 653.39ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 64.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:52:54,795 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 64.1MB in the end (delta: 799.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:52:54,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1562]: 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 1571. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 81.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1630.86ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 52.6MB in the end (delta: 36.5MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.02ms. Allocated memory is still 117.4MB. Free memory was 52.6MB in the beginning and 49.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.79ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 47.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.71ms. Allocated memory is still 117.4MB. Free memory was 47.7MB in the beginning and 82.2MB in the end (delta: -34.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * CodeCheck took 653.39ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 64.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 64.1MB in the end (delta: 799.5kB). 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 23:52:54,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5e8d21-1f41-43d6-9d80-349ad149adf7/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