./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_31_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_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/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_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/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_a464aed2-fa59-46e3-81ee-30a959303bb0/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 031a39fc0cbc0e470459104bc4288cc7a428728d1d79e0fde20ce92c284d813f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:15:29,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:15:29,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:15:29,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:15:29,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:15:29,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:15:29,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:15:29,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:15:29,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:15:29,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:15:29,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:15:29,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:15:29,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:15:29,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:15:29,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:15:29,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:15:29,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:15:29,484 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:15:29,484 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:15:29,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:15:29,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:15:29,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:15:29,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:15:29,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:15:29,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:15:29,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:15:29,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:29,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:15:29,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:15:29,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:15:29,485 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:15:29,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:15:29,485 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_a464aed2-fa59-46e3-81ee-30a959303bb0/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 -> 031a39fc0cbc0e470459104bc4288cc7a428728d1d79e0fde20ce92c284d813f [2024-11-13 21:15:29,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:15:29,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:15:29,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:15:29,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:15:29,906 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:15:29,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_31_bad.i Unable to find full path for "g++" [2024-11-13 21:15:32,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:15:32,712 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:15:32,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_31_bad.i [2024-11-13 21:15:32,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/data/e919c3e47/eeec4f9fe6e24498bb317b95999b451f/FLAG52527f6cc [2024-11-13 21:15:32,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/data/e919c3e47/eeec4f9fe6e24498bb317b95999b451f [2024-11-13 21:15:32,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:15:32,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:15:32,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:32,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:15:32,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:15:32,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:32" (1/1) ... [2024-11-13 21:15:32,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41bb246e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:32, skipping insertion in model container [2024-11-13 21:15:32,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:32" (1/1) ... [2024-11-13 21:15:32,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:15:34,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:34,031 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:15:34,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:34,373 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:15:34,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:34 WrapperNode [2024-11-13 21:15:34,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:34,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:34,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:15:34,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:15:34,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:34" (1/1) ... [2024-11-13 21:15:34,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:34" (1/1) ... [2024-11-13 21:15:34,432 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-13 21:15:34,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:34,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:15:34,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:15:34,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:15:34,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:34" (1/1) ... [2024-11-13 21:15:34,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:34" (1/1) ... [2024-11-13 21:15:34,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:34" (1/1) ... [2024-11-13 21:15:34,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:34" (1/1) ... [2024-11-13 21:15:34,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:34" (1/1) ... [2024-11-13 21:15:34,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:34" (1/1) ... [2024-11-13 21:15:34,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:34" (1/1) ... [2024-11-13 21:15:34,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:34" (1/1) ... [2024-11-13 21:15:34,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:15:34,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:15:34,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:15:34,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:15:34,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:34" (1/1) ... [2024-11-13 21:15:34,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:34,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:15:34,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:15:34,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:15:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:15:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:15:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:15:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:15:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:15:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:15:34,770 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:15:34,773 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:15:34,976 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 21:15:34,976 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:15:35,048 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:15:35,049 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:15:35,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:35 BoogieIcfgContainer [2024-11-13 21:15:35,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:15:35,054 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:15:35,054 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:15:35,067 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:15:35,067 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:35" (1/1) ... [2024-11-13 21:15:35,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:15:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:35,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 21:15:35,157 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 21:15:35,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:15:35,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:35,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:15:35,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 21:15:35,561 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 21:15:35,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:15:35,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:35,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:35,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:15:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:35,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:15:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:35,867 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:15:35,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:15:35 ImpRootNode [2024-11-13 21:15:35,916 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:15:35,916 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:15:35,917 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:15:35,918 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:15:35,919 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:35" (3/4) ... [2024-11-13 21:15:35,922 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:15:35,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:15:35,925 INFO L158 Benchmark]: Toolchain (without parser) took 3143.60ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 77.1MB in the end (delta: 13.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-13 21:15:35,928 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:35,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1592.16ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 83.3MB in the end (delta: 6.4MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:35,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.37ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 80.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:35,930 INFO L158 Benchmark]: Boogie Preprocessor took 25.41ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:35,930 INFO L158 Benchmark]: RCFGBuilder took 593.65ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 65.7MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:35,931 INFO L158 Benchmark]: CodeCheck took 861.99ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 77.1MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:35,931 INFO L158 Benchmark]: Witness Printer took 7.13ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 77.1MB in the end (delta: 9.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:35,938 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] 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 0.37ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1592.16ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 83.3MB in the end (delta: 6.4MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.37ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 80.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.41ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 593.65ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 65.7MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 861.99ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 77.1MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.13ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 77.1MB in the end (delta: 9.8kB). 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 21:15:35,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/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_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/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_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/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_a464aed2-fa59-46e3-81ee-30a959303bb0/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 031a39fc0cbc0e470459104bc4288cc7a428728d1d79e0fde20ce92c284d813f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:15:39,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:15:39,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:15:39,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:15:39,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:15:39,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:15:39,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:15:39,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:15:39,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:15:39,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:15:39,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:15:39,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:15:39,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:15:39,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:15:39,177 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:15:39,177 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:15:39,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:15:39,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:15:39,178 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:15:39,178 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:15:39,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:15:39,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:15:39,178 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:15:39,178 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:15:39,178 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:15:39,178 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:39,179 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:15:39,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:15:39,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:39,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:15:39,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:15:39,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:15:39,179 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:15:39,179 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:39,179 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:15:39,185 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_a464aed2-fa59-46e3-81ee-30a959303bb0/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 -> 031a39fc0cbc0e470459104bc4288cc7a428728d1d79e0fde20ce92c284d813f [2024-11-13 21:15:39,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:15:39,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:15:39,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:15:39,589 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:15:39,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:15:39,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_31_bad.i Unable to find full path for "g++" [2024-11-13 21:15:41,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:15:42,134 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:15:42,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_31_bad.i [2024-11-13 21:15:42,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/data/e65386122/508b644548f047dabf947651c2b81a98/FLAG350c4dd59 [2024-11-13 21:15:42,210 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/data/e65386122/508b644548f047dabf947651c2b81a98 [2024-11-13 21:15:42,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:15:42,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:15:42,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:42,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:15:42,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:15:42,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:42" (1/1) ... [2024-11-13 21:15:42,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a138d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:42, skipping insertion in model container [2024-11-13 21:15:42,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:42" (1/1) ... [2024-11-13 21:15:42,296 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:15:43,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:43,268 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:15:43,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:43,616 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:15:43,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:43 WrapperNode [2024-11-13 21:15:43,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:43,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:43,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:15:43,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:15:43,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:43" (1/1) ... [2024-11-13 21:15:43,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:43" (1/1) ... [2024-11-13 21:15:43,698 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-13 21:15:43,699 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:43,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:15:43,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:15:43,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:15:43,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:43" (1/1) ... [2024-11-13 21:15:43,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:43" (1/1) ... [2024-11-13 21:15:43,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:43" (1/1) ... [2024-11-13 21:15:43,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:43" (1/1) ... [2024-11-13 21:15:43,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:43" (1/1) ... [2024-11-13 21:15:43,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:43" (1/1) ... [2024-11-13 21:15:43,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:43" (1/1) ... [2024-11-13 21:15:43,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:43" (1/1) ... [2024-11-13 21:15:43,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:15:43,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:15:43,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:15:43,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:15:43,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:43" (1/1) ... [2024-11-13 21:15:43,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:43,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:15:43,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:15:43,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:15:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:15:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:15:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:15:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:15:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:15:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:15:43,996 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:15:43,998 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:15:44,133 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 21:15:44,133 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:15:44,189 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:15:44,190 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:15:44,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:44 BoogieIcfgContainer [2024-11-13 21:15:44,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:15:44,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:15:44,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:15:44,201 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:15:44,202 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:44" (1/1) ... [2024-11-13 21:15:44,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:15:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:44,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 21:15:44,263 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 21:15:44,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:15:44,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:44,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:44,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:44,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:44,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:15:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:44,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:44,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:15:44,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:44,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:15:44,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:15:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:44,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 21:15:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 21:15:44,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:15:44,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:44,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:44,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:44,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:44,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:15:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:44,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:15:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:45,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:15:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:45,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:15:45,119 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:15:45,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:15:45 ImpRootNode [2024-11-13 21:15:45,156 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:15:45,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:15:45,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:15:45,158 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:15:45,159 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:44" (3/4) ... [2024-11-13 21:15:45,162 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:15:45,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:15:45,164 INFO L158 Benchmark]: Toolchain (without parser) took 2948.59ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 87.9MB in the beginning and 223.2MB in the end (delta: -135.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:45,167 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:45,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1400.13ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 65.5MB in the end (delta: 22.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-13 21:15:45,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.22ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 62.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:45,168 INFO L158 Benchmark]: Boogie Preprocessor took 46.72ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 61.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:45,169 INFO L158 Benchmark]: RCFGBuilder took 442.29ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 43.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:15:45,169 INFO L158 Benchmark]: CodeCheck took 965.54ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 43.8MB in the beginning and 223.9MB in the end (delta: -180.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:45,171 INFO L158 Benchmark]: Witness Printer took 6.33ms. Allocated memory is still 276.8MB. Free memory was 223.3MB in the beginning and 223.2MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:45,173 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; 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] [L1566] 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] [L1568] 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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1400.13ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 65.5MB in the end (delta: 22.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.22ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 62.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.72ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 61.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 442.29ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 43.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 965.54ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 43.8MB in the beginning and 223.9MB in the end (delta: -180.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.33ms. Allocated memory is still 276.8MB. Free memory was 223.3MB in the beginning and 223.2MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:15:45,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a464aed2-fa59-46e3-81ee-30a959303bb0/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