./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_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_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/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_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/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_8f085468-8ddd-47cf-97ea-2f5311be05eb/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 0aa9550d019c11f10948fcb1b55fe6cfd4d8dee2c3358905f9b702698c5c7c4c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:29:56,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:29:56,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:29:56,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:29:56,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:29:56,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:29:56,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:29:56,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:29:56,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:29:56,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:29:56,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:29:56,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:29:56,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:29:56,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:29:56,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:29:56,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:29:56,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:29:56,480 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:29:56,480 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:29:56,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:29:56,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:29:56,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:29:56,481 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:29:56,481 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:29:56,481 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:29:56,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:29:56,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:29:56,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:29:56,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:29:56,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:29:56,482 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:29:56,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:29:56,482 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_8f085468-8ddd-47cf-97ea-2f5311be05eb/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 -> 0aa9550d019c11f10948fcb1b55fe6cfd4d8dee2c3358905f9b702698c5c7c4c [2024-11-13 22:29:56,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:29:56,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:29:56,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:29:56,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:29:56,823 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:29:56,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i Unable to find full path for "g++" [2024-11-13 22:29:58,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:29:59,349 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:29:59,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i [2024-11-13 22:29:59,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/data/0cb348d64/c8e6003ef75943468b66d0381df9d340/FLAGe6bf4ff3f [2024-11-13 22:29:59,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/data/0cb348d64/c8e6003ef75943468b66d0381df9d340 [2024-11-13 22:29:59,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:29:59,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:29:59,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:29:59,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:29:59,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:29:59,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:29:59" (1/1) ... [2024-11-13 22:29:59,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6acd5026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:59, skipping insertion in model container [2024-11-13 22:29:59,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:29:59" (1/1) ... [2024-11-13 22:29:59,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:30:00,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:30:00,513 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:30:00,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:30:00,761 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:30:00,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:00 WrapperNode [2024-11-13 22:30:00,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:30:00,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:30:00,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:30:00,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:30:00,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:00" (1/1) ... [2024-11-13 22:30:00,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:00" (1/1) ... [2024-11-13 22:30:00,809 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-13 22:30:00,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:30:00,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:30:00,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:30:00,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:30:00,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:00" (1/1) ... [2024-11-13 22:30:00,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:00" (1/1) ... [2024-11-13 22:30:00,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:00" (1/1) ... [2024-11-13 22:30:00,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:00" (1/1) ... [2024-11-13 22:30:00,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:00" (1/1) ... [2024-11-13 22:30:00,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:00" (1/1) ... [2024-11-13 22:30:00,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:00" (1/1) ... [2024-11-13 22:30:00,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:00" (1/1) ... [2024-11-13 22:30:00,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:30:00,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:30:00,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:30:00,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:30:00,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:00" (1/1) ... [2024-11-13 22:30:00,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:30:00,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:30:00,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:30:00,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:30:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:30:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:30:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:30:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:30:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:30:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:30:01,061 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:30:01,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:30:01,191 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 22:30:01,192 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:30:01,257 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:30:01,258 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:30:01,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:30:01 BoogieIcfgContainer [2024-11-13 22:30:01,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:30:01,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:30:01,263 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:30:01,274 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:30:01,274 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:30:01" (1/1) ... [2024-11-13 22:30:01,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:30:01,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 22:30:01,348 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 22:30:01,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:30:01,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:01,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:30:01,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:30:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:30:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:30:01,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:30:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:30:01,719 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:30:01,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:30:01 ImpRootNode [2024-11-13 22:30:01,754 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:30:01,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:30:01,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:30:01,757 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:30:01,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:30:01" (3/4) ... [2024-11-13 22:30:01,761 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:30:01,762 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:30:01,766 INFO L158 Benchmark]: Toolchain (without parser) took 2347.28ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 69.8MB in the end (delta: 46.0MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-13 22:30:01,766 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:30:01,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1342.66ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 106.7MB in the end (delta: 9.1MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-13 22:30:01,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.96ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 104.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:30:01,767 INFO L158 Benchmark]: Boogie Preprocessor took 30.15ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:30:01,768 INFO L158 Benchmark]: RCFGBuilder took 416.99ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 88.6MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:30:01,768 INFO L158 Benchmark]: CodeCheck took 495.97ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 69.8MB in the end (delta: 18.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:30:01,768 INFO L158 Benchmark]: Witness Printer took 5.57ms. Allocated memory is still 142.6MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:30:01,771 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, 18 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, 9 NumberOfCodeBlocks, 9 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: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1572, overapproximation of fgets at line 1554. 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); [L1572] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_fgets_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1563] 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] [L1565] 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 1.18ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1342.66ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 106.7MB in the end (delta: 9.1MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.96ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 104.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.15ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 416.99ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 88.6MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 495.97ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 69.8MB in the end (delta: 18.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.57ms. Allocated memory is still 142.6MB. Free memory is still 69.8MB. 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 22:30:01,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/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 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_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/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_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/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_8f085468-8ddd-47cf-97ea-2f5311be05eb/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 0aa9550d019c11f10948fcb1b55fe6cfd4d8dee2c3358905f9b702698c5c7c4c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:30:04,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:30:04,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:30:04,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:30:04,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:30:04,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:30:04,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:30:04,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:30:04,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:30:04,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:30:04,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:30:04,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:30:04,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:30:04,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:30:04,694 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:30:04,695 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:30:04,695 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:30:04,695 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:30:04,695 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:30:04,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:30:04,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:30:04,702 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:30:04,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:30:04,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:30:04,703 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:30:04,703 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:04,703 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:30:04,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:30:04,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:30:04,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:30:04,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:30:04,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:30:04,704 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:30:04,704 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:04,704 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:30:04,704 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_8f085468-8ddd-47cf-97ea-2f5311be05eb/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 -> 0aa9550d019c11f10948fcb1b55fe6cfd4d8dee2c3358905f9b702698c5c7c4c [2024-11-13 22:30:05,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:30:05,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:30:05,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:30:05,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:30:05,088 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:30:05,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i Unable to find full path for "g++" [2024-11-13 22:30:07,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:30:07,496 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:30:07,500 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_01_bad.i [2024-11-13 22:30:07,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/data/349cadc6b/4c04f9b36884455a8c503be2cb1d56e9/FLAG8a9d747a0 [2024-11-13 22:30:07,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/data/349cadc6b/4c04f9b36884455a8c503be2cb1d56e9 [2024-11-13 22:30:07,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:30:07,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:30:07,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:30:07,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:30:07,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:30:07,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:30:07" (1/1) ... [2024-11-13 22:30:07,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4171a694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:07, skipping insertion in model container [2024-11-13 22:30:07,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:30:07" (1/1) ... [2024-11-13 22:30:07,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:30:08,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:30:08,854 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:30:09,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:30:09,215 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:30:09,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:09 WrapperNode [2024-11-13 22:30:09,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:30:09,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:30:09,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:30:09,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:30:09,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:09" (1/1) ... [2024-11-13 22:30:09,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:09" (1/1) ... [2024-11-13 22:30:09,294 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-13 22:30:09,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:30:09,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:30:09,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:30:09,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:30:09,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:09" (1/1) ... [2024-11-13 22:30:09,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:09" (1/1) ... [2024-11-13 22:30:09,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:09" (1/1) ... [2024-11-13 22:30:09,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:09" (1/1) ... [2024-11-13 22:30:09,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:09" (1/1) ... [2024-11-13 22:30:09,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:09" (1/1) ... [2024-11-13 22:30:09,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:09" (1/1) ... [2024-11-13 22:30:09,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:09" (1/1) ... [2024-11-13 22:30:09,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:30:09,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:30:09,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:30:09,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:30:09,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:09" (1/1) ... [2024-11-13 22:30:09,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:30:09,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:30:09,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:30:09,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:30:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:30:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:30:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:30:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:30:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:30:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:30:09,584 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:30:09,586 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:30:09,767 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 22:30:09,767 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:30:09,827 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:30:09,828 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:30:09,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:30:09 BoogieIcfgContainer [2024-11-13 22:30:09,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:30:09,829 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:30:09,829 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:30:09,840 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:30:09,841 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:30:09" (1/1) ... [2024-11-13 22:30:09,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:30:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 22:30:09,900 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 22:30:09,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:30:09,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:09,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:30:09,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:30:09,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:30:09,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:30:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:30:10,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:30:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:30:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:30:10,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:30:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:30:10,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:30:10,338 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:30:10,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:30:10 ImpRootNode [2024-11-13 22:30:10,373 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:30:10,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:30:10,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:30:10,375 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:30:10,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:30:09" (3/4) ... [2024-11-13 22:30:10,380 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:30:10,381 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:30:10,382 INFO L158 Benchmark]: Toolchain (without parser) took 2755.70ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 89.7MB in the beginning and 229.5MB in the end (delta: -139.8MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-13 22:30:10,384 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:30:10,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1589.08ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 67.9MB in the end (delta: 21.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 22:30:10,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.69ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 64.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:30:10,386 INFO L158 Benchmark]: Boogie Preprocessor took 53.14ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 63.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:30:10,386 INFO L158 Benchmark]: RCFGBuilder took 477.08ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 46.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:30:10,390 INFO L158 Benchmark]: CodeCheck took 543.98ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 46.7MB in the beginning and 229.5MB in the end (delta: -182.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:30:10,390 INFO L158 Benchmark]: Witness Printer took 6.41ms. Allocated memory is still 268.4MB. Free memory was 229.5MB in the beginning and 229.5MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:30:10,392 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1572, overapproximation of fgets at line 1554. 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); [L1572] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_fgets_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1563] 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] [L1565] 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 0.33ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1589.08ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 67.9MB in the end (delta: 21.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.69ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 64.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.14ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 63.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 477.08ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 46.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 543.98ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 46.7MB in the beginning and 229.5MB in the end (delta: -182.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.41ms. Allocated memory is still 268.4MB. Free memory was 229.5MB in the beginning and 229.5MB in the end (delta: 35.5kB). 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 22:30:10,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f085468-8ddd-47cf-97ea-2f5311be05eb/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