./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm --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 fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:20:15,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:20:15,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:20:15,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:20:15,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:20:15,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:20:15,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:20:15,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:20:15,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:20:15,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:20:15,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:20:15,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:20:15,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:20:15,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:20:15,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:20:15,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:20:15,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:20:15,576 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:20:15,576 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:20:15,576 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:20:15,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:20:15,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:20:15,576 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:20:15,577 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:20:15,577 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:20:15,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:20:15,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:15,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:20:15,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:20:15,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:20:15,578 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:20:15,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:20:15,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm 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 -> fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce [2024-11-13 22:20:15,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:20:15,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:20:15,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:20:15,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:20:15,950 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:20:15,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i Unable to find full path for "g++" [2024-11-13 22:20:17,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:20:18,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:20:18,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2024-11-13 22:20:18,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/data/b6ff724f8/e0585511c0dc4b399f2500b2e38386e2/FLAGe148ce3c3 [2024-11-13 22:20:18,509 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/data/b6ff724f8/e0585511c0dc4b399f2500b2e38386e2 [2024-11-13 22:20:18,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:20:18,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:20:18,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:18,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:20:18,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:20:18,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:18" (1/1) ... [2024-11-13 22:20:18,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca99df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:18, skipping insertion in model container [2024-11-13 22:20:18,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:18" (1/1) ... [2024-11-13 22:20:18,593 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:20:19,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:19,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:20:19,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:20,025 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:20:20,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:20 WrapperNode [2024-11-13 22:20:20,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:20,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:20,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:20:20,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:20:20,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:20" (1/1) ... [2024-11-13 22:20:20,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:20" (1/1) ... [2024-11-13 22:20:20,076 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 46 [2024-11-13 22:20:20,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:20,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:20:20,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:20:20,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:20:20,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:20" (1/1) ... [2024-11-13 22:20:20,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:20" (1/1) ... [2024-11-13 22:20:20,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:20" (1/1) ... [2024-11-13 22:20:20,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:20" (1/1) ... [2024-11-13 22:20:20,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:20" (1/1) ... [2024-11-13 22:20:20,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:20" (1/1) ... [2024-11-13 22:20:20,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:20" (1/1) ... [2024-11-13 22:20:20,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:20" (1/1) ... [2024-11-13 22:20:20,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:20:20,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:20:20,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:20:20,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:20:20,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:20" (1/1) ... [2024-11-13 22:20:20,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:20,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:20:20,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:20:20,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:20:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:20:20,201 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:20:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:20:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:20:20,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:20:20,387 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:20:20,389 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:20:20,538 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:20:20,539 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:20:20,582 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:20:20,582 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:20:20,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:20 BoogieIcfgContainer [2024-11-13 22:20:20,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:20:20,583 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:20:20,583 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:20:20,594 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:20:20,595 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:20" (1/1) ... [2024-11-13 22:20:20,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:20:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:20,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:20:20,664 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:20:20,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:20:20,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:20,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:20,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:20:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:20,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:20:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:20,953 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:20:20,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:20:20 ImpRootNode [2024-11-13 22:20:20,993 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:20:20,994 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:20:20,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:20:20,994 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:20:20,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:20" (3/4) ... [2024-11-13 22:20:20,999 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:20:21,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:20:21,001 INFO L158 Benchmark]: Toolchain (without parser) took 2486.63ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 53.6MB in the end (delta: 38.1MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-13 22:20:21,001 INFO L158 Benchmark]: CDTParser took 1.70ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:21,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1510.14ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 84.2MB in the end (delta: 7.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 22:20:21,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.60ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 81.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:21,005 INFO L158 Benchmark]: Boogie Preprocessor took 39.60ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.6MB in the end (delta: 899.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:20:21,006 INFO L158 Benchmark]: RCFGBuilder took 465.20ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 67.2MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:20:21,006 INFO L158 Benchmark]: CodeCheck took 409.73ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 53.6MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:20:21,006 INFO L158 Benchmark]: Witness Printer took 6.09ms. Allocated memory is still 117.4MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:21,012 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1510.14ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 84.2MB in the end (delta: 7.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.60ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 81.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.60ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.6MB in the end (delta: 899.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 465.20ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 67.2MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 409.73ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 53.6MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.09ms. Allocated memory is still 117.4MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:20:21,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm --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 fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:20:24,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:20:24,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:20:24,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:20:24,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:20:24,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:20:24,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:20:24,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:20:24,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:20:24,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:20:24,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:20:24,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:20:24,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:20:24,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:20:24,585 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:20:24,586 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:20:24,586 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:20:24,586 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:20:24,586 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:20:24,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:20:24,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:20:24,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:20:24,587 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:20:24,587 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:20:24,587 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:20:24,587 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:24,588 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:20:24,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:20:24,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:24,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:20:24,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:20:24,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:20:24,588 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:20:24,589 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:24,589 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:20:24,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm 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 -> fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce [2024-11-13 22:20:25,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:20:25,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:20:25,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:20:25,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:20:25,046 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:20:25,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i Unable to find full path for "g++" [2024-11-13 22:20:27,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:20:28,327 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:20:28,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2024-11-13 22:20:28,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/data/2d7432d66/b00981bc65054680b159a9a8969da81a/FLAGf40307e66 [2024-11-13 22:20:28,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/data/2d7432d66/b00981bc65054680b159a9a8969da81a [2024-11-13 22:20:28,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:20:28,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:20:28,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:28,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:20:28,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:20:28,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:28" (1/1) ... [2024-11-13 22:20:28,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121e731d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:28, skipping insertion in model container [2024-11-13 22:20:28,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:28" (1/1) ... [2024-11-13 22:20:28,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:20:29,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:29,543 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:20:29,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:29,857 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:20:29,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:29 WrapperNode [2024-11-13 22:20:29,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:29,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:29,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:20:29,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:20:29,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:29" (1/1) ... [2024-11-13 22:20:29,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:29" (1/1) ... [2024-11-13 22:20:29,910 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2024-11-13 22:20:29,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:29,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:20:29,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:20:29,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:20:29,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:29" (1/1) ... [2024-11-13 22:20:29,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:29" (1/1) ... [2024-11-13 22:20:29,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:29" (1/1) ... [2024-11-13 22:20:29,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:29" (1/1) ... [2024-11-13 22:20:29,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:29" (1/1) ... [2024-11-13 22:20:29,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:29" (1/1) ... [2024-11-13 22:20:29,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:29" (1/1) ... [2024-11-13 22:20:29,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:29" (1/1) ... [2024-11-13 22:20:29,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:20:29,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:20:29,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:20:29,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:20:29,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:29" (1/1) ... [2024-11-13 22:20:29,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:29,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:20:29,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:20:29,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:20:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:20:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:20:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:20:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:20:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:20:30,158 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:20:30,160 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:20:30,262 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 22:20:30,262 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:20:30,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:20:30,322 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:20:30,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:30 BoogieIcfgContainer [2024-11-13 22:20:30,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:20:30,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:20:30,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:20:30,335 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:20:30,335 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:30" (1/1) ... [2024-11-13 22:20:30,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:20:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:30,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:20:30,387 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:20:30,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:20:30,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:30,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:30,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:30,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:30,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:20:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:30,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:20:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:30,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:20:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:30,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:20:30,752 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:20:30,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:20:30 ImpRootNode [2024-11-13 22:20:30,787 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:20:30,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:20:30,788 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:20:30,788 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:20:30,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:30" (3/4) ... [2024-11-13 22:20:30,792 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:20:30,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:20:30,797 INFO L158 Benchmark]: Toolchain (without parser) took 2373.39ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 43.7MB in the end (delta: 13.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-13 22:20:30,797 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:30,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1434.63ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 52.6MB in the end (delta: 4.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 22:20:30,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.15ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 49.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:30,798 INFO L158 Benchmark]: Boogie Preprocessor took 26.04ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 48.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:30,802 INFO L158 Benchmark]: RCFGBuilder took 384.55ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 33.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:20:30,803 INFO L158 Benchmark]: CodeCheck took 463.97ms. Allocated memory is still 83.9MB. Free memory was 33.4MB in the beginning and 43.7MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:30,803 INFO L158 Benchmark]: Witness Printer took 5.94ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 9.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:20:30,805 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1434.63ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 52.6MB in the end (delta: 4.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.15ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 49.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.04ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 48.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 384.55ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 33.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 463.97ms. Allocated memory is still 83.9MB. Free memory was 33.4MB in the beginning and 43.7MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.94ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 9.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:20:30,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3831d8e6-3afe-4309-8023-0335086fa0e6/bin/ukojak-verify-EEHR8qb7sm/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