./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b --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 735bec2d92b40d36888c4d6d4d2524539eca8e7121208b17b6ac057f2169b8f3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:04:51,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:04:51,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 04:04:51,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:04:51,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:04:51,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:04:51,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:04:51,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:04:51,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:04:51,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:04:51,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:04:51,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:04:51,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:04:51,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:04:51,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:04:51,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:04:51,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:04:51,840 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:04:51,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:04:51,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:04:51,840 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:04:51,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:04:51,841 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:04:51,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:04:51,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:04:51,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:04:51,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:04:51,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:04:51,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:04:51,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:04:51,841 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:04:51,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:04:51,842 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_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b 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 -> 735bec2d92b40d36888c4d6d4d2524539eca8e7121208b17b6ac057f2169b8f3 [2024-12-06 04:04:52,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:04:52,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:04:52,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:04:52,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:04:52,086 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:04:52,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_bad.i [2024-12-06 04:04:54,767 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/data/96b5e1ee7/7837111688dc4876b54c85b9101c5658/FLAGee5de0cfd [2024-12-06 04:04:55,074 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:04:55,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_bad.i [2024-12-06 04:04:55,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/data/96b5e1ee7/7837111688dc4876b54c85b9101c5658/FLAGee5de0cfd [2024-12-06 04:04:55,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/data/96b5e1ee7/7837111688dc4876b54c85b9101c5658 [2024-12-06 04:04:55,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:04:55,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:04:55,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:04:55,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:04:55,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:04:55,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:04:55" (1/1) ... [2024-12-06 04:04:55,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f60ce9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:55, skipping insertion in model container [2024-12-06 04:04:55,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:04:55" (1/1) ... [2024-12-06 04:04:55,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:04:55,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:04:55,929 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:04:56,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:04:56,105 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:04:56,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56 WrapperNode [2024-12-06 04:04:56,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:04:56,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:04:56,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:04:56,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:04:56,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,146 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 65 [2024-12-06 04:04:56,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:04:56,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:04:56,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:04:56,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:04:56,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,164 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:04:56,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:04:56,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:04:56,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:04:56,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:04:56,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:04:56,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:04:56,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:04:56,225 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:04:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:04:56,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:04:56,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:04:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:04:56,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:04:56,337 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:04:56,339 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:04:56,452 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 04:04:56,452 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:04:56,485 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:04:56,486 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:04:56,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:04:56 BoogieIcfgContainer [2024-12-06 04:04:56,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:04:56,487 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:04:56,487 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:04:56,497 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:04:56,497 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:04:56" (1/1) ... [2024-12-06 04:04:56,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:04:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:04:56,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 04:04:56,560 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 04:04:56,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:04:56,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:04:56,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:04:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:04:56,703 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:04:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:04:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:04:56,800 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:04:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:04:56,832 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:04:56,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:04:56 ImpRootNode [2024-12-06 04:04:56,857 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:04:56,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:04:56,858 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:04:56,858 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:04:56,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:04:56" (3/4) ... [2024-12-06 04:04:56,860 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:04:56,861 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:04:56,862 INFO L158 Benchmark]: Toolchain (without parser) took 1742.48ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 42.9MB in the end (delta: 45.9MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-12-06 04:04:56,862 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:04:56,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 984.87ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 80.0MB in the end (delta: 8.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-12-06 04:04:56,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.44ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:04:56,864 INFO L158 Benchmark]: Boogie Preprocessor took 22.43ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:04:56,864 INFO L158 Benchmark]: RCFGBuilder took 315.82ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 62.4MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:04:56,865 INFO L158 Benchmark]: CodeCheck took 370.42ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 42.9MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:04:56,865 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 117.4MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:04:56,867 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, 17 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, 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_fgets_multiply_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_fgets_multiply_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CALL funcPtr(data) [L1577] 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] [L1579] 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 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 984.87ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 80.0MB in the end (delta: 8.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.44ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.43ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 315.82ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 62.4MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 370.42ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 42.9MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 117.4MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:04:56,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/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_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b --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 735bec2d92b40d36888c4d6d4d2524539eca8e7121208b17b6ac057f2169b8f3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:04:58,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:04:59,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 04:04:59,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:04:59,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:04:59,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:04:59,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:04:59,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:04:59,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:04:59,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:04:59,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:04:59,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:04:59,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:04:59,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:04:59,050 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:04:59,050 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:04:59,050 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:04:59,050 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:04:59,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:04:59,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:04:59,050 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:04:59,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:04:59,050 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:04:59,051 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:04:59,051 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:04:59,051 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:59,051 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:04:59,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:04:59,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:04:59,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:04:59,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:04:59,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:04:59,051 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:04:59,052 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:04:59,052 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:04:59,052 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_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b 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 -> 735bec2d92b40d36888c4d6d4d2524539eca8e7121208b17b6ac057f2169b8f3 [2024-12-06 04:04:59,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:04:59,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:04:59,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:04:59,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:04:59,316 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:04:59,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_bad.i [2024-12-06 04:05:02,107 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/data/51fcaa756/77b3ff15868f4d87ad06818f6449d323/FLAG1bea27fd3 [2024-12-06 04:05:02,436 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:05:02,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_bad.i [2024-12-06 04:05:02,458 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/data/51fcaa756/77b3ff15868f4d87ad06818f6449d323/FLAG1bea27fd3 [2024-12-06 04:05:02,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/data/51fcaa756/77b3ff15868f4d87ad06818f6449d323 [2024-12-06 04:05:02,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:05:02,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:05:02,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:05:02,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:05:02,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:05:02,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:05:02" (1/1) ... [2024-12-06 04:05:02,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fee4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:02, skipping insertion in model container [2024-12-06 04:05:02,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:05:02" (1/1) ... [2024-12-06 04:05:02,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:05:03,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:05:03,234 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:05:03,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:05:03,422 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:05:03,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03 WrapperNode [2024-12-06 04:05:03,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:05:03,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:05:03,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:05:03,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:05:03,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,466 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 64 [2024-12-06 04:05:03,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:05:03,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:05:03,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:05:03,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:05:03,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,486 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:05:03,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:05:03,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:05:03,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:05:03,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:05:03,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:05:03,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:05:03,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:05:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:05:03,551 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:05:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:05:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:05:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:05:03,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:05:03,667 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:05:03,668 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:05:03,798 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 04:05:03,798 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:05:03,833 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:05:03,833 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:05:03,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:05:03 BoogieIcfgContainer [2024-12-06 04:05:03,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:05:03,835 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:05:03,835 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:05:03,845 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:05:03,845 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:05:03" (1/1) ... [2024-12-06 04:05:03,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:05:03,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 04:05:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 04:05:03,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:05:03,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:03,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:05:03,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:05:03,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:05:03,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:05:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:05:04,087 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:05:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:05:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:05:04,214 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:05:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:05:04,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:05:04,254 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:05:04,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:05:04 ImpRootNode [2024-12-06 04:05:04,280 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:05:04,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:05:04,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:05:04,281 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:05:04,281 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:05:03" (3/4) ... [2024-12-06 04:05:04,284 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:05:04,285 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:05:04,286 INFO L158 Benchmark]: Toolchain (without parser) took 1809.87ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.3MB in the beginning and 101.1MB in the end (delta: -34.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-06 04:05:04,286 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:05:04,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 945.82ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 59.5MB in the end (delta: 6.6MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 04:05:04,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.37ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 56.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:05:04,287 INFO L158 Benchmark]: Boogie Preprocessor took 29.23ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:05:04,288 INFO L158 Benchmark]: RCFGBuilder took 337.05ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 38.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:05:04,288 INFO L158 Benchmark]: CodeCheck took 445.04ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 38.2MB in the beginning and 101.1MB in the end (delta: -62.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:05:04,289 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 101.1MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:05:04,291 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, 17 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_fgets_multiply_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_fgets_multiply_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CALL funcPtr(data) [L1577] 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] [L1579] 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 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 945.82ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 59.5MB in the end (delta: 6.6MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.37ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 56.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.23ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 337.05ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 38.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 445.04ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 38.2MB in the beginning and 101.1MB in the end (delta: -62.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 101.1MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:05:04,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949ac2c4-09a9-43bf-a5f7-6769483d297c/bin/ukojak-verify-CZk0znPC7b/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