./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be3c297fe43a7bc8ea537df085d4f69535ba54c0205bfc09097f4c935400e3cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:47:42,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:47:42,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:47:42,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:47:42,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:47:42,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:47:42,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:47:42,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:47:42,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:47:42,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:47:42,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:47:42,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:47:42,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:47:42,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:47:42,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:47:42,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:47:42,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:47:42,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:47:42,684 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:47:42,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:47:42,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:47:42,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:47:42,684 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:47:42,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:47:42,684 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:47:42,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:47:42,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:47:42,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:47:42,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:47:42,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:47:42,685 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:47:42,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:47:42,685 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_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be3c297fe43a7bc8ea537df085d4f69535ba54c0205bfc09097f4c935400e3cd [2024-11-13 20:47:42,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:47:42,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:47:42,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:47:42,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:47:42,974 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:47:42,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i Unable to find full path for "g++" [2024-11-13 20:47:44,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:47:45,242 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:47:45,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i [2024-11-13 20:47:45,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/data/0acd50f50/48e081ead0fb4568ac562d355d4260a9/FLAG76e1c83f2 [2024-11-13 20:47:45,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/data/0acd50f50/48e081ead0fb4568ac562d355d4260a9 [2024-11-13 20:47:45,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:47:45,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:47:45,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:47:45,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:47:45,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:47:45,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:47:45" (1/1) ... [2024-11-13 20:47:45,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1a12f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:45, skipping insertion in model container [2024-11-13 20:47:45,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:47:45" (1/1) ... [2024-11-13 20:47:45,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:47:46,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:47:46,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:47:46,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:47:46,545 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:47:46,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:46 WrapperNode [2024-11-13 20:47:46,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:47:46,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:47:46,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:47:46,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:47:46,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:46" (1/1) ... [2024-11-13 20:47:46,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:46" (1/1) ... [2024-11-13 20:47:46,605 INFO L138 Inliner]: procedures = 499, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-13 20:47:46,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:47:46,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:47:46,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:47:46,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:47:46,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:46" (1/1) ... [2024-11-13 20:47:46,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:46" (1/1) ... [2024-11-13 20:47:46,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:46" (1/1) ... [2024-11-13 20:47:46,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:46" (1/1) ... [2024-11-13 20:47:46,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:46" (1/1) ... [2024-11-13 20:47:46,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:46" (1/1) ... [2024-11-13 20:47:46,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:46" (1/1) ... [2024-11-13 20:47:46,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:46" (1/1) ... [2024-11-13 20:47:46,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:47:46,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:47:46,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:47:46,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:47:46,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:46" (1/1) ... [2024-11-13 20:47:46,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:47:46,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:47:46,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:47:46,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:47:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:47:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:47:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:47:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:47:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:47:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:47:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:47:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:47:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:47:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:47:46,859 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:47:46,861 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:47:47,039 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 20:47:47,039 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:47:47,091 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:47:47,091 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:47:47,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:47:47 BoogieIcfgContainer [2024-11-13 20:47:47,092 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:47:47,093 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:47:47,093 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:47:47,102 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:47:47,102 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:47:47" (1/1) ... [2024-11-13 20:47:47,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:47:47,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:47:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:47:47,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:47:47,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:47,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:47:47,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:47:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:47:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:47:47,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:47:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:47:47,529 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:47:47,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:47:47 ImpRootNode [2024-11-13 20:47:47,554 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:47:47,554 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:47:47,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:47:47,555 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:47:47,555 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:47:47" (3/4) ... [2024-11-13 20:47:47,558 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:47:47,558 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:47:47,559 INFO L158 Benchmark]: Toolchain (without parser) took 2269.78ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 37.6MB in the end (delta: 50.6MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-13 20:47:47,560 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:47:47,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1255.44ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 78.8MB in the end (delta: 9.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 20:47:47,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.99ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 76.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:47:47,561 INFO L158 Benchmark]: Boogie Preprocessor took 22.41ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 75.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:47:47,561 INFO L158 Benchmark]: RCFGBuilder took 462.54ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 60.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:47:47,562 INFO L158 Benchmark]: CodeCheck took 460.89ms. Allocated memory is still 117.4MB. Free memory was 60.5MB in the beginning and 37.8MB in the end (delta: 22.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:47:47,562 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 117.4MB. Free memory was 37.8MB in the beginning and 37.6MB in the end (delta: 188.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:47:47,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1581]: 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 large string literal at line 1571, 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fgets_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [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, dataArray={7634:0}, 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] dataArray[2] = data [L1566] CALL CWE191_Integer_Underflow__int_fgets_multiply_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1579] 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] [L1581] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1255.44ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 78.8MB in the end (delta: 9.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.99ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 76.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.41ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 75.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 462.54ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 60.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 460.89ms. Allocated memory is still 117.4MB. Free memory was 60.5MB in the beginning and 37.8MB in the end (delta: 22.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 117.4MB. Free memory was 37.8MB in the beginning and 37.6MB in the end (delta: 188.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:47:47,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be3c297fe43a7bc8ea537df085d4f69535ba54c0205bfc09097f4c935400e3cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:47:50,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:47:50,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:47:50,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:47:50,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:47:50,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:47:50,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:47:50,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:47:50,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:47:50,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:47:50,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:47:50,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:47:50,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:47:50,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:47:50,419 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:47:50,423 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:47:50,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:47:50,424 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:47:50,424 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:47:50,424 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:47:50,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:47:50,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:47:50,424 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:47:50,424 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:47:50,424 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:47:50,424 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:50,424 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:47:50,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:47:50,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:47:50,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:47:50,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:47:50,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:47:50,425 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:47:50,425 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:50,425 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:47:50,425 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_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be3c297fe43a7bc8ea537df085d4f69535ba54c0205bfc09097f4c935400e3cd [2024-11-13 20:47:50,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:47:50,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:47:50,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:47:50,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:47:50,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:47:50,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i Unable to find full path for "g++" [2024-11-13 20:47:52,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:47:53,123 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:47:53,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i [2024-11-13 20:47:53,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/data/c385c8e20/7c9273b0c2234b8ea2d033108853b243/FLAGbe3c03899 [2024-11-13 20:47:53,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/data/c385c8e20/7c9273b0c2234b8ea2d033108853b243 [2024-11-13 20:47:53,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:47:53,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:47:53,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:47:53,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:47:53,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:47:53,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:47:53" (1/1) ... [2024-11-13 20:47:53,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e0879a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:53, skipping insertion in model container [2024-11-13 20:47:53,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:47:53" (1/1) ... [2024-11-13 20:47:53,362 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:47:54,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:47:54,468 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:47:54,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:47:54,758 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:47:54,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:54 WrapperNode [2024-11-13 20:47:54,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:47:54,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:47:54,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:47:54,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:47:54,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:54" (1/1) ... [2024-11-13 20:47:54,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:54" (1/1) ... [2024-11-13 20:47:54,811 INFO L138 Inliner]: procedures = 504, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-13 20:47:54,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:47:54,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:47:54,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:47:54,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:47:54,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:54" (1/1) ... [2024-11-13 20:47:54,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:54" (1/1) ... [2024-11-13 20:47:54,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:54" (1/1) ... [2024-11-13 20:47:54,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:54" (1/1) ... [2024-11-13 20:47:54,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:54" (1/1) ... [2024-11-13 20:47:54,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:54" (1/1) ... [2024-11-13 20:47:54,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:54" (1/1) ... [2024-11-13 20:47:54,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:54" (1/1) ... [2024-11-13 20:47:54,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:47:54,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:47:54,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:47:54,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:47:54,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:54" (1/1) ... [2024-11-13 20:47:54,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:47:54,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:47:54,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:47:54,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:47:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:47:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:47:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:47:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:47:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:47:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:47:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:47:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:47:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:47:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:47:55,083 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:47:55,085 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:47:55,275 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 20:47:55,275 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:47:55,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:47:55,321 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:47:55,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:47:55 BoogieIcfgContainer [2024-11-13 20:47:55,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:47:55,322 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:47:55,322 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:47:55,336 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:47:55,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:47:55" (1/1) ... [2024-11-13 20:47:55,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:47:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:47:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:47:55,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:47:55,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:55,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:55,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:55,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:55,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:47:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:47:55,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:47:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:47:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:47:55,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:47:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:47:56,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:47:56,008 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:47:56,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:47:56 ImpRootNode [2024-11-13 20:47:56,045 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:47:56,046 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:47:56,046 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:47:56,046 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:47:56,047 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:47:55" (3/4) ... [2024-11-13 20:47:56,049 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:47:56,050 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:47:56,052 INFO L158 Benchmark]: Toolchain (without parser) took 2776.49ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 32.7MB in the end (delta: 24.2MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-11-13 20:47:56,053 INFO L158 Benchmark]: CDTParser took 3.71ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:47:56,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1481.76ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.8MB in the end (delta: 5.1MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 20:47:56,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.62ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 49.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:47:56,054 INFO L158 Benchmark]: Boogie Preprocessor took 27.98ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:47:56,054 INFO L158 Benchmark]: RCFGBuilder took 480.87ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 30.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:47:56,056 INFO L158 Benchmark]: CodeCheck took 722.95ms. Allocated memory is still 83.9MB. Free memory was 30.1MB in the beginning and 33.1MB in the end (delta: -3.0MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2024-11-13 20:47:56,056 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 83.9MB. Free memory was 33.1MB in the beginning and 32.7MB in the end (delta: 423.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:47:56,058 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1581]: 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 large string literal at line 1571, 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fgets_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [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, dataArray={5:0}, 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] dataArray[2] = data [L1566] CALL CWE191_Integer_Underflow__int_fgets_multiply_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1579] 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] [L1581] 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 3.71ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1481.76ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.8MB in the end (delta: 5.1MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.62ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 49.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.98ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 480.87ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 30.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 722.95ms. Allocated memory is still 83.9MB. Free memory was 30.1MB in the beginning and 33.1MB in the end (delta: -3.0MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 83.9MB. Free memory was 33.1MB in the beginning and 32.7MB in the end (delta: 423.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:47:56,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54265b52-63f6-4dec-9877-2d3e5ac88b9f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample