./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_51_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_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3 --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 df05be8d75dbd70ac30927f6a934133d02541668661e133068725c0eec89c4d4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:51:36,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:51:36,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:51:36,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:51:36,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:51:36,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:51:36,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:51:36,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:51:36,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:51:36,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:51:36,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:51:36,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:51:36,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:51:36,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:51:36,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:51:36,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:51:36,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:51:36,956 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:51:36,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:51:36,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:51:36,956 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:51:36,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:51:36,956 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:51:36,956 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:51:36,957 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:51:36,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:51:36,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:36,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:51:36,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:51:36,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:51:36,960 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:51:36,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:51:36,960 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_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3 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 -> df05be8d75dbd70ac30927f6a934133d02541668661e133068725c0eec89c4d4 [2024-11-25 02:51:37,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:51:37,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:51:37,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:51:37,261 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:51:37,264 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:51:37,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_51_bad.i [2024-11-25 02:51:40,230 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/data/dbdcac8b1/51f47bfa250443e7ae9eb09f345e545f/FLAG83b7343b9 [2024-11-25 02:51:40,742 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:51:40,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_51_bad.i [2024-11-25 02:51:40,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/data/dbdcac8b1/51f47bfa250443e7ae9eb09f345e545f/FLAG83b7343b9 [2024-11-25 02:51:40,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/data/dbdcac8b1/51f47bfa250443e7ae9eb09f345e545f [2024-11-25 02:51:40,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:51:40,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:51:40,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:40,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:51:40,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:51:40,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:51:40" (1/1) ... [2024-11-25 02:51:40,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d8ba7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:40, skipping insertion in model container [2024-11-25 02:51:40,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:51:40" (1/1) ... [2024-11-25 02:51:40,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:51:41,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:41,786 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:51:41,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:42,062 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:51:42,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42 WrapperNode [2024-11-25 02:51:42,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:42,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:42,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:51:42,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:51:42,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,118 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-25 02:51:42,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:42,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:51:42,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:51:42,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:51:42,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,134 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:51:42,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:51:42,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:51:42,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:51:42,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:42,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:51:42,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:51:42,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:51:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:51:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:51:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:51:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:51:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:51:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:51:42,351 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:51:42,353 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:51:42,502 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-25 02:51:42,502 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:51:42,554 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:51:42,557 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:51:42,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:42 BoogieIcfgContainer [2024-11-25 02:51:42,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:51:42,559 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:51:42,559 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:51:42,569 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:51:42,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:42" (1/1) ... [2024-11-25 02:51:42,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:51:42,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:42,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:51:42,637 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:51:42,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:51:42,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:42,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:42,792 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:51:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:42,915 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:51:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:42,955 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:51:42,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:51:42 ImpRootNode [2024-11-25 02:51:42,990 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:51:42,990 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:51:42,990 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:51:42,991 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:51:42,991 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:42" (3/4) ... [2024-11-25 02:51:42,995 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:51:42,996 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:51:42,997 INFO L158 Benchmark]: Toolchain (without parser) took 2179.57ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 46.0MB in the end (delta: 43.8MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-25 02:51:42,997 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:42,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1243.61ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 82.7MB in the end (delta: 7.1MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-25 02:51:42,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.42ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 80.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:42,999 INFO L158 Benchmark]: Boogie Preprocessor took 21.43ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:51:43,000 INFO L158 Benchmark]: RCFGBuilder took 417.49ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 64.6MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:51:43,001 INFO L158 Benchmark]: CodeCheck took 431.06ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 46.0MB in the end (delta: 18.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:51:43,003 INFO L158 Benchmark]: Witness Printer took 5.86ms. Allocated memory is still 117.4MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:43,008 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_51_bad() [L1551] int data; [L1552] data = 0 [L1554] 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] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_51b_badSink(data) [L1576] 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] [L1578] 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 1.44ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1243.61ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 82.7MB in the end (delta: 7.1MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.42ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 80.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.43ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 417.49ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 64.6MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 431.06ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 46.0MB in the end (delta: 18.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.86ms. Allocated memory is still 117.4MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:51:43,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/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_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3 --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 df05be8d75dbd70ac30927f6a934133d02541668661e133068725c0eec89c4d4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:51:45,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:51:45,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:51:45,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:51:45,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:51:45,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:51:45,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:51:45,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:51:45,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:51:45,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:51:45,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:51:45,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:51:45,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:51:45,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:51:45,946 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:51:45,946 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:51:45,947 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:51:45,947 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:51:45,947 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:51:45,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:51:45,947 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:51:45,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:51:45,948 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:51:45,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:51:45,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:51:45,948 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:45,948 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:51:45,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:51:45,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:45,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:51:45,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:51:45,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:51:45,950 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:51:45,950 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:45,950 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:51:45,950 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_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3 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 -> df05be8d75dbd70ac30927f6a934133d02541668661e133068725c0eec89c4d4 [2024-11-25 02:51:46,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:51:46,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:51:46,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:51:46,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:51:46,274 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:51:46,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_51_bad.i [2024-11-25 02:51:49,325 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/data/2188232f9/f84e5f46e391413c97f615a5a064a6ed/FLAG51caa8d33 [2024-11-25 02:51:49,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:51:49,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_51_bad.i [2024-11-25 02:51:49,833 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/data/2188232f9/f84e5f46e391413c97f615a5a064a6ed/FLAG51caa8d33 [2024-11-25 02:51:49,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/data/2188232f9/f84e5f46e391413c97f615a5a064a6ed [2024-11-25 02:51:49,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:51:49,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:51:49,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:49,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:51:49,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:51:49,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:51:49" (1/1) ... [2024-11-25 02:51:49,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a88ac12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:49, skipping insertion in model container [2024-11-25 02:51:49,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:51:49" (1/1) ... [2024-11-25 02:51:49,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:51:50,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:50,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:51:51,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:51,348 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:51:51,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51 WrapperNode [2024-11-25 02:51:51,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:51,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:51,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:51:51,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:51:51,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,404 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-25 02:51:51,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:51,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:51:51,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:51:51,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:51:51,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,432 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:51:51,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:51:51,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:51:51,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:51:51,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:51,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:51:51,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:51:51,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:51:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:51:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:51:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:51:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:51:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:51:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:51:51,732 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:51:51,734 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:51:51,873 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-25 02:51:51,873 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:51:51,925 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:51:51,925 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:51:51,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:51 BoogieIcfgContainer [2024-11-25 02:51:51,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:51:51,927 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:51:51,927 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:51:51,952 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:51:51,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:51" (1/1) ... [2024-11-25 02:51:51,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:51:52,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:51:52,009 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:51:52,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:51:52,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:52,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:52,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:51:52,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:51:52,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:51:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:52,241 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:51:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:52,360 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:51:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:52,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:51:52,403 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:51:52,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:51:52 ImpRootNode [2024-11-25 02:51:52,444 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:51:52,445 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:51:52,446 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:51:52,446 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:51:52,447 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:51" (3/4) ... [2024-11-25 02:51:52,451 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:51:52,452 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:51:52,453 INFO L158 Benchmark]: Toolchain (without parser) took 2536.28ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 35.8MB in the end (delta: 21.2MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-11-25 02:51:52,454 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:52,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1430.23ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.3MB in the end (delta: 6.4MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 02:51:52,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.28ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 47.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:52,456 INFO L158 Benchmark]: Boogie Preprocessor took 43.50ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 46.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:52,457 INFO L158 Benchmark]: RCFGBuilder took 476.90ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 30.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:51:52,457 INFO L158 Benchmark]: CodeCheck took 517.53ms. Allocated memory is still 83.9MB. Free memory was 29.9MB in the beginning and 35.8MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:52,457 INFO L158 Benchmark]: Witness Printer took 7.08ms. Allocated memory is still 83.9MB. Free memory was 35.8MB in the beginning and 35.8MB in the end (delta: 3.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:51:52,460 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_51_bad() [L1551] int data; [L1552] data = 0 [L1554] 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] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_51b_badSink(data) [L1576] 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] [L1578] 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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1430.23ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.3MB in the end (delta: 6.4MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.28ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 47.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.50ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 46.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.90ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 30.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 517.53ms. Allocated memory is still 83.9MB. Free memory was 29.9MB in the beginning and 35.8MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.08ms. Allocated memory is still 83.9MB. Free memory was 35.8MB in the beginning and 35.8MB in the end (delta: 3.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:51:52,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf574ee-6f77-4e31-863f-be8fbce5413b/bin/ukojak-verify-ENZ3QT5qd3/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