./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_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_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/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_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/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_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/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 a7cfceb607367ceb5ddc9da4b4b337a554f2ce50f021f91119f80bf80cdbfb52 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:49:13,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:49:13,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:49:13,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:49:13,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:49:13,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:49:13,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:49:13,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:49:13,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:49:13,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:49:13,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:49:13,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:49:13,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:49:13,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:49:13,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:49:13,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:49:13,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:49:13,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:49:13,943 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:49:13,943 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:49:13,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:49:13,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:49:13,944 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:49:13,944 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:49:13,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:49:13,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:49:13,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:13,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:49:13,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:49:13,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:49:13,944 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:49:13,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:49:13,945 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_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/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 -> a7cfceb607367ceb5ddc9da4b4b337a554f2ce50f021f91119f80bf80cdbfb52 [2024-11-13 22:49:14,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:49:14,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:49:14,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:49:14,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:49:14,235 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:49:14,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i Unable to find full path for "g++" [2024-11-13 22:49:16,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:49:16,585 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:49:16,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i [2024-11-13 22:49:16,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/data/f95218a15/358c2f928bb3487aaa0b3e4a3a6c4ab8/FLAGcd2e16eaa [2024-11-13 22:49:16,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/data/f95218a15/358c2f928bb3487aaa0b3e4a3a6c4ab8 [2024-11-13 22:49:16,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:49:16,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:49:16,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:16,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:49:16,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:49:16,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:16" (1/1) ... [2024-11-13 22:49:16,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef9699f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:16, skipping insertion in model container [2024-11-13 22:49:16,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:16" (1/1) ... [2024-11-13 22:49:16,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:49:17,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:17,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:49:17,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:17,996 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:49:17,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17 WrapperNode [2024-11-13 22:49:17,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:17,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:17,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:49:17,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:49:18,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:18,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:18,058 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-13 22:49:18,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:18,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:49:18,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:49:18,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:49:18,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:18,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:18,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:18,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:18,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:18,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:18,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:18,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:18,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:49:18,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:49:18,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:49:18,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:49:18,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:17" (1/1) ... [2024-11-13 22:49:18,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:18,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:49:18,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:49:18,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:49:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:49:18,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:49:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:49:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:49:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:49:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:49:18,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:49:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:49:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:49:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:49:18,372 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:49:18,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:49:18,550 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 22:49:18,550 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:49:18,601 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:49:18,601 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:49:18,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:18 BoogieIcfgContainer [2024-11-13 22:49:18,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:49:18,603 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:49:18,603 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:49:18,614 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:49:18,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:18" (1/1) ... [2024-11-13 22:49:18,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:49:18,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:18,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 22:49:18,683 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 22:49:18,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:49:18,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:18,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:18,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:49:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:19,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:49:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:19,124 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:49:19,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:49:19 ImpRootNode [2024-11-13 22:49:19,166 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:49:19,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:49:19,168 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:49:19,168 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:49:19,170 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:18" (3/4) ... [2024-11-13 22:49:19,173 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:49:19,174 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:49:19,178 INFO L158 Benchmark]: Toolchain (without parser) took 2477.20ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 82.7MB in the end (delta: 32.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-13 22:49:19,181 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:19,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1296.15ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 56.5MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:49:19,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.32ms. Allocated memory is still 142.6MB. Free memory was 56.5MB in the beginning and 54.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:19,183 INFO L158 Benchmark]: Boogie Preprocessor took 38.63ms. Allocated memory is still 142.6MB. Free memory was 54.2MB in the beginning and 52.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:49:19,185 INFO L158 Benchmark]: RCFGBuilder took 504.57ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 105.7MB in the end (delta: -52.8MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 22:49:19,186 INFO L158 Benchmark]: CodeCheck took 563.84ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 82.7MB in the end (delta: 23.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:49:19,186 INFO L158 Benchmark]: Witness Printer took 7.37ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:19,190 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fgets_sub_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={31113:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE191_Integer_Underflow__int_fgets_sub_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] data - 1 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 0.41ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1296.15ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 56.5MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.32ms. Allocated memory is still 142.6MB. Free memory was 56.5MB in the beginning and 54.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.63ms. Allocated memory is still 142.6MB. Free memory was 54.2MB in the beginning and 52.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 504.57ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 105.7MB in the end (delta: -52.8MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 563.84ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 82.7MB in the end (delta: 23.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.37ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:49:19,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/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_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/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_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/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 a7cfceb607367ceb5ddc9da4b4b337a554f2ce50f021f91119f80bf80cdbfb52 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:49:21,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:49:22,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:49:22,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:49:22,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:49:22,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:49:22,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:49:22,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:49:22,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:49:22,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:49:22,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:49:22,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:49:22,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:49:22,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:49:22,142 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:49:22,142 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:49:22,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:49:22,142 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:49:22,142 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:49:22,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:49:22,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:49:22,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:49:22,143 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:49:22,143 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:49:22,143 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:49:22,145 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:49:22,145 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:49:22,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:49:22,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:22,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:49:22,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:49:22,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:49:22,146 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:49:22,146 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:49:22,146 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:49:22,146 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_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/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 -> a7cfceb607367ceb5ddc9da4b4b337a554f2ce50f021f91119f80bf80cdbfb52 [2024-11-13 22:49:22,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:49:22,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:49:22,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:49:22,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:49:22,492 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:49:22,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i Unable to find full path for "g++" [2024-11-13 22:49:24,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:49:24,974 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:49:24,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_63_bad.i [2024-11-13 22:49:25,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/data/015eba98b/016eb2385c3946949d40e33b129e5a33/FLAGbfb8b6440 [2024-11-13 22:49:25,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/data/015eba98b/016eb2385c3946949d40e33b129e5a33 [2024-11-13 22:49:25,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:49:25,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:49:25,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:25,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:49:25,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:49:25,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:25" (1/1) ... [2024-11-13 22:49:25,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ea987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:25, skipping insertion in model container [2024-11-13 22:49:25,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:25" (1/1) ... [2024-11-13 22:49:25,135 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:49:26,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:26,211 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:49:26,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:26,540 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:49:26,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26 WrapperNode [2024-11-13 22:49:26,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:26,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:26,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:49:26,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:49:26,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,590 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-13 22:49:26,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:26,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:49:26,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:49:26,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:49:26,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:49:26,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:49:26,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:49:26,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:49:26,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:26" (1/1) ... [2024-11-13 22:49:26,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:26,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:49:26,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:49:26,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:49:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:49:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:49:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:49:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:49:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:49:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:49:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:49:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:49:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:49:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:49:26,850 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:49:26,852 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:49:27,052 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 22:49:27,052 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:49:27,104 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:49:27,104 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:49:27,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:27 BoogieIcfgContainer [2024-11-13 22:49:27,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:49:27,115 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:49:27,115 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:49:27,127 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:49:27,127 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:27" (1/1) ... [2024-11-13 22:49:27,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:49:27,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 22:49:27,190 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 22:49:27,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:49:27,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:27,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:49:27,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:49:27,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:49:27,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:49:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:27,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:49:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:27,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:49:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:27,840 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:49:27,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:49:27,843 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:49:27,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:49:27 ImpRootNode [2024-11-13 22:49:27,883 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:49:27,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:49:27,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:49:27,884 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:49:27,886 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:27" (3/4) ... [2024-11-13 22:49:27,888 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:49:27,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:49:27,890 INFO L158 Benchmark]: Toolchain (without parser) took 2841.10ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 31.2MB in the end (delta: 25.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-11-13 22:49:27,891 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:27,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1489.22ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 51.5MB in the end (delta: 5.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 22:49:27,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.68ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 48.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:27,894 INFO L158 Benchmark]: Boogie Preprocessor took 28.06ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 46.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:27,894 INFO L158 Benchmark]: RCFGBuilder took 492.46ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 52.9MB in the end (delta: -6.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-13 22:49:27,895 INFO L158 Benchmark]: CodeCheck took 768.44ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 31.2MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:49:27,895 INFO L158 Benchmark]: Witness Printer took 5.44ms. Allocated memory is still 83.9MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:27,897 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, 16 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, 8 NumberOfCodeBlocks, 8 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fgets_sub_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE191_Integer_Underflow__int_fgets_sub_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] data - 1 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 0.46ms. Allocated memory is still 83.9MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1489.22ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 51.5MB in the end (delta: 5.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.68ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 48.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.06ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 46.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.46ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 52.9MB in the end (delta: -6.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * CodeCheck took 768.44ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 31.2MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.44ms. Allocated memory is still 83.9MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:49:27,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9303d8e-9fe4-487b-9ae5-966d0f99f42c/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