./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/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_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/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_0aee0315-4b82-4110-ad62-4787eb9dac79/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 f7ea5f9ac437db0a8e9af5387b6def99826fed328a32126cb85f89e22750b6ae --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:56:06,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:56:06,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:56:06,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:56:06,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:56:06,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:56:06,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:56:06,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:56:06,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:56:06,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:56:06,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:56:06,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:56:06,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:56:06,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:56:06,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:56:06,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:56:06,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:56:06,878 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:56:06,879 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:56:06,879 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:56:06,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:56:06,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:56:06,880 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:56:06,880 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:56:06,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:56:06,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:56:06,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:56:06,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:56:06,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:56:06,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:56:06,882 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:56:06,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:56:06,884 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_0aee0315-4b82-4110-ad62-4787eb9dac79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7ea5f9ac437db0a8e9af5387b6def99826fed328a32126cb85f89e22750b6ae [2024-11-08 23:56:07,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:56:07,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:56:07,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:56:07,255 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:56:07,256 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:56:07,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i Unable to find full path for "g++" [2024-11-08 23:56:09,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:56:09,960 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:56:09,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i [2024-11-08 23:56:09,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/data/872575f03/db879222afc341e98213927ce1ca5cc2/FLAG30a1e8332 [2024-11-08 23:56:10,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/data/872575f03/db879222afc341e98213927ce1ca5cc2 [2024-11-08 23:56:10,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:56:10,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:56:10,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:56:10,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:56:10,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:56:10,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:56:10" (1/1) ... [2024-11-08 23:56:10,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50168022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:10, skipping insertion in model container [2024-11-08 23:56:10,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:56:10" (1/1) ... [2024-11-08 23:56:10,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:56:11,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:56:11,452 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:56:11,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:56:11,841 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:56:11,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:11 WrapperNode [2024-11-08 23:56:11,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:56:11,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:56:11,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:56:11,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:56:11,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:11" (1/1) ... [2024-11-08 23:56:11,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:11" (1/1) ... [2024-11-08 23:56:11,921 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-08 23:56:11,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:56:11,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:56:11,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:56:11,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:56:11,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:11" (1/1) ... [2024-11-08 23:56:11,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:11" (1/1) ... [2024-11-08 23:56:11,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:11" (1/1) ... [2024-11-08 23:56:11,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:11" (1/1) ... [2024-11-08 23:56:11,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:11" (1/1) ... [2024-11-08 23:56:11,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:11" (1/1) ... [2024-11-08 23:56:11,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:11" (1/1) ... [2024-11-08 23:56:11,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:11" (1/1) ... [2024-11-08 23:56:11,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:56:11,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:56:11,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:56:11,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:56:11,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:11" (1/1) ... [2024-11-08 23:56:11,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:56:12,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:56:12,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:56:12,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:56:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:56:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:56:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:56:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:56:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:56:12,286 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:56:12,288 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:56:12,417 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:56:12,417 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:56:12,476 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:56:12,476 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:56:12,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:56:12 BoogieIcfgContainer [2024-11-08 23:56:12,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:56:12,478 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:56:12,478 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:56:12,488 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:56:12,489 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:56:12" (1/1) ... [2024-11-08 23:56:12,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:56:12,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:12,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:56:12,564 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:56:12,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:56:12,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:12,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:56:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:56:12,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:56:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:56:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:56:12,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:56:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:56:12,884 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:56:12,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:56:12 ImpRootNode [2024-11-08 23:56:12,919 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:56:12,920 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:56:12,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:56:12,923 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:56:12,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:56:12" (3/4) ... [2024-11-08 23:56:12,927 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:56:12,928 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:56:12,929 INFO L158 Benchmark]: Toolchain (without parser) took 2904.03ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 84.2MB in the beginning and 87.2MB in the end (delta: -3.0MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2024-11-08 23:56:12,929 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:56:12,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1815.52ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 83.8MB in the beginning and 119.8MB in the end (delta: -36.0MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-11-08 23:56:12,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.10ms. Allocated memory is still 180.4MB. Free memory was 119.8MB in the beginning and 117.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:56:12,931 INFO L158 Benchmark]: Boogie Preprocessor took 37.61ms. Allocated memory is still 180.4MB. Free memory was 117.5MB in the beginning and 115.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:56:12,932 INFO L158 Benchmark]: RCFGBuilder took 515.87ms. Allocated memory is still 180.4MB. Free memory was 115.6MB in the beginning and 101.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:56:12,932 INFO L158 Benchmark]: CodeCheck took 441.36ms. Allocated memory is still 180.4MB. Free memory was 101.9MB in the beginning and 87.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:56:12,933 INFO L158 Benchmark]: Witness Printer took 8.23ms. Allocated memory is still 180.4MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:56:12,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 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 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1815.52ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 83.8MB in the beginning and 119.8MB in the end (delta: -36.0MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.10ms. Allocated memory is still 180.4MB. Free memory was 119.8MB in the beginning and 117.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.61ms. Allocated memory is still 180.4MB. Free memory was 117.5MB in the beginning and 115.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 515.87ms. Allocated memory is still 180.4MB. Free memory was 115.6MB in the beginning and 101.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 441.36ms. Allocated memory is still 180.4MB. Free memory was 101.9MB in the beginning and 87.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.23ms. Allocated memory is still 180.4MB. Free memory is still 87.2MB. 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 23:56:12,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/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_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/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_0aee0315-4b82-4110-ad62-4787eb9dac79/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 f7ea5f9ac437db0a8e9af5387b6def99826fed328a32126cb85f89e22750b6ae --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:56:15,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:56:16,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:56:16,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:56:16,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:56:16,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:56:16,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:56:16,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:56:16,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:56:16,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:56:16,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:56:16,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:56:16,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:56:16,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:56:16,126 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:56:16,127 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:56:16,127 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:56:16,128 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:56:16,128 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:56:16,129 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:56:16,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:56:16,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:56:16,134 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:56:16,135 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:56:16,135 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:56:16,135 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:16,136 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:56:16,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:56:16,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:56:16,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:56:16,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:56:16,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:56:16,142 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:56:16,142 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:16,142 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:56:16,143 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_0aee0315-4b82-4110-ad62-4787eb9dac79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7ea5f9ac437db0a8e9af5387b6def99826fed328a32126cb85f89e22750b6ae [2024-11-08 23:56:16,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:56:16,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:56:16,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:56:16,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:56:16,706 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:56:16,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i Unable to find full path for "g++" [2024-11-08 23:56:18,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:56:19,445 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:56:19,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_01_bad.i [2024-11-08 23:56:19,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/data/bdec4bfcf/fcedd494992d4279adc718afdb49dfbc/FLAG954b6bec3 [2024-11-08 23:56:19,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/data/bdec4bfcf/fcedd494992d4279adc718afdb49dfbc [2024-11-08 23:56:19,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:56:19,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:56:19,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:56:19,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:56:19,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:56:19,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:56:19" (1/1) ... [2024-11-08 23:56:19,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5183a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:19, skipping insertion in model container [2024-11-08 23:56:19,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:56:19" (1/1) ... [2024-11-08 23:56:19,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:56:21,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:56:21,230 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:56:21,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:56:21,548 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:56:21,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:21 WrapperNode [2024-11-08 23:56:21,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:56:21,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:56:21,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:56:21,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:56:21,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:21" (1/1) ... [2024-11-08 23:56:21,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:21" (1/1) ... [2024-11-08 23:56:21,660 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-11-08 23:56:21,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:56:21,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:56:21,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:56:21,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:56:21,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:21" (1/1) ... [2024-11-08 23:56:21,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:21" (1/1) ... [2024-11-08 23:56:21,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:21" (1/1) ... [2024-11-08 23:56:21,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:21" (1/1) ... [2024-11-08 23:56:21,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:21" (1/1) ... [2024-11-08 23:56:21,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:21" (1/1) ... [2024-11-08 23:56:21,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:21" (1/1) ... [2024-11-08 23:56:21,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:21" (1/1) ... [2024-11-08 23:56:21,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:56:21,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:56:21,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:56:21,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:56:21,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:56:21" (1/1) ... [2024-11-08 23:56:21,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:56:21,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:56:21,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:56:21,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:56:21,809 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:56:21,810 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:56:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:56:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:56:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:56:22,041 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:56:22,044 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:56:22,275 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:56:22,275 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:56:22,370 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:56:22,371 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:56:22,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:56:22 BoogieIcfgContainer [2024-11-08 23:56:22,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:56:22,373 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:56:22,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:56:22,389 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:56:22,389 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:56:22" (1/1) ... [2024-11-08 23:56:22,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:56:22,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:22,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:56:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:56:22,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:56:22,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:22,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:22,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:22,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:22,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:56:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:56:22,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:56:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:56:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:56:22,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:56:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:56:22,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:56:22,862 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:56:22,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:56:22 ImpRootNode [2024-11-08 23:56:22,898 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:56:22,900 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:56:22,900 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:56:22,900 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:56:22,901 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:56:22" (3/4) ... [2024-11-08 23:56:22,906 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:56:22,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:56:22,908 INFO L158 Benchmark]: Toolchain (without parser) took 3404.37ms. Allocated memory was 94.4MB in the beginning and 130.0MB in the end (delta: 35.7MB). Free memory was 68.2MB in the beginning and 82.5MB in the end (delta: -14.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-08 23:56:22,909 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:56:22,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2043.77ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 54.1MB in the end (delta: 13.8MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-11-08 23:56:22,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.86ms. Allocated memory is still 94.4MB. Free memory was 54.1MB in the beginning and 51.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:56:22,911 INFO L158 Benchmark]: Boogie Preprocessor took 37.77ms. Allocated memory is still 94.4MB. Free memory was 51.1MB in the beginning and 49.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:56:22,912 INFO L158 Benchmark]: RCFGBuilder took 671.53ms. Allocated memory was 94.4MB in the beginning and 130.0MB in the end (delta: 35.7MB). Free memory was 49.0MB in the beginning and 96.5MB in the end (delta: -47.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-08 23:56:22,913 INFO L158 Benchmark]: CodeCheck took 525.00ms. Allocated memory is still 130.0MB. Free memory was 96.5MB in the beginning and 83.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:56:22,914 INFO L158 Benchmark]: Witness Printer took 7.57ms. Allocated memory is still 130.0MB. Free memory was 83.2MB in the beginning and 82.5MB in the end (delta: 664.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:56:22,921 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_fscanf_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1553] COND TRUE data < 0 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] [L1555] data * 2 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 0.39ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2043.77ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 54.1MB in the end (delta: 13.8MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.86ms. Allocated memory is still 94.4MB. Free memory was 54.1MB in the beginning and 51.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.77ms. Allocated memory is still 94.4MB. Free memory was 51.1MB in the beginning and 49.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 671.53ms. Allocated memory was 94.4MB in the beginning and 130.0MB in the end (delta: 35.7MB). Free memory was 49.0MB in the beginning and 96.5MB in the end (delta: -47.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * CodeCheck took 525.00ms. Allocated memory is still 130.0MB. Free memory was 96.5MB in the beginning and 83.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.57ms. Allocated memory is still 130.0MB. Free memory was 83.2MB in the beginning and 82.5MB in the end (delta: 664.7kB). 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 23:56:22,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee0315-4b82-4110-ad62-4787eb9dac79/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