./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_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_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/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_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/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_59916c82-b6fb-4551-885f-edbc2d5818d1/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 f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:56:45,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:56:45,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:56:45,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:56:45,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:56:45,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:56:45,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:56:45,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:56:45,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:56:45,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:56:45,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:56:45,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:56:45,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:56:45,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:56:45,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:56:45,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:56:45,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:56:45,272 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:56:45,272 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:56:45,272 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:56:45,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:56:45,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:56:45,273 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:56:45,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:56:45,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:56:45,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:56:45,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:45,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:56:45,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:56:45,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:56:45,275 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:56:45,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:56:45,275 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_59916c82-b6fb-4551-885f-edbc2d5818d1/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 -> f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 [2024-11-13 21:56:45,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:56:45,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:56:45,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:56:45,582 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:56:45,583 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:56:45,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i Unable to find full path for "g++" [2024-11-13 21:56:47,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:56:47,851 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:56:47,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2024-11-13 21:56:47,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/data/45aef2c89/95f6906718134b1db91ac227162a9f8a/FLAG0da6a3e19 [2024-11-13 21:56:47,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/data/45aef2c89/95f6906718134b1db91ac227162a9f8a [2024-11-13 21:56:47,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:56:47,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:56:47,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:56:47,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:56:47,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:56:47,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:56:47" (1/1) ... [2024-11-13 21:56:47,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500b0736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:47, skipping insertion in model container [2024-11-13 21:56:47,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:56:47" (1/1) ... [2024-11-13 21:56:47,976 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:56:48,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:56:48,841 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:56:48,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:56:49,094 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:56:49,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:49 WrapperNode [2024-11-13 21:56:49,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:56:49,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:56:49,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:56:49,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:56:49,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:49" (1/1) ... [2024-11-13 21:56:49,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:49" (1/1) ... [2024-11-13 21:56:49,139 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 70 [2024-11-13 21:56:49,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:56:49,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:56:49,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:56:49,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:56:49,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:49" (1/1) ... [2024-11-13 21:56:49,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:49" (1/1) ... [2024-11-13 21:56:49,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:49" (1/1) ... [2024-11-13 21:56:49,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:49" (1/1) ... [2024-11-13 21:56:49,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:49" (1/1) ... [2024-11-13 21:56:49,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:49" (1/1) ... [2024-11-13 21:56:49,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:49" (1/1) ... [2024-11-13 21:56:49,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:49" (1/1) ... [2024-11-13 21:56:49,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:56:49,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:56:49,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:56:49,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:56:49,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:49" (1/1) ... [2024-11-13 21:56:49,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:49,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:56:49,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:56:49,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:56:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:56:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:56:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:56:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:56:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:56:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:56:49,460 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:56:49,463 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:56:49,624 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 21:56:49,624 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:56:49,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:56:49,682 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:56:49,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:49 BoogieIcfgContainer [2024-11-13 21:56:49,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:56:49,684 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:56:49,684 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:56:49,696 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:56:49,696 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:49" (1/1) ... [2024-11-13 21:56:49,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:56:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 21:56:49,751 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 21:56:49,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:56:49,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:49,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:50,272 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 21:56:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:50,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 21:56:50,388 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 21:56:50,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:56:50,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:50,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:50,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:56:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:50,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:56:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:50,592 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:56:50,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:56:50 ImpRootNode [2024-11-13 21:56:50,628 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:56:50,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:56:50,629 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:56:50,630 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:56:50,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:49" (3/4) ... [2024-11-13 21:56:50,633 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:56:50,633 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:56:50,638 INFO L158 Benchmark]: Toolchain (without parser) took 2724.05ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 75.4MB in the end (delta: 14.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-13 21:56:50,639 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:50,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1183.76ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 81.0MB in the end (delta: 8.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 21:56:50,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.75ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 78.6MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:56:50,640 INFO L158 Benchmark]: Boogie Preprocessor took 27.32ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:50,640 INFO L158 Benchmark]: RCFGBuilder took 514.71ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 62.9MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:56:50,640 INFO L158 Benchmark]: CodeCheck took 943.79ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 75.4MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:50,641 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 75.4MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:50,643 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1562. 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_add_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1564] data = atoi(inputBuffer) [L1571] CALL funcPtr(data) [L1551] 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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1183.76ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 81.0MB in the end (delta: 8.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.75ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 78.6MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.32ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.71ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 62.9MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 943.79ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 75.4MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 75.4MB in the end (delta: 11.8kB). 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 21:56:50,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/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_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/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_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/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_59916c82-b6fb-4551-885f-edbc2d5818d1/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 f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:56:53,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:56:53,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:56:53,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:56:53,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:56:53,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:56:53,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:56:53,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:56:53,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:56:53,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:56:53,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:56:53,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:56:53,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:56:53,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:56:53,507 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:56:53,507 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:56:53,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:56:53,507 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:56:53,507 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:56:53,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:56:53,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:56:53,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:56:53,508 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:56:53,508 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:56:53,508 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:56:53,508 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:53,508 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:56:53,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:56:53,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:53,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:56:53,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:56:53,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:56:53,509 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:56:53,509 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:53,509 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:56:53,509 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_59916c82-b6fb-4551-885f-edbc2d5818d1/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 -> f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 [2024-11-13 21:56:53,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:56:53,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:56:53,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:56:53,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:56:53,857 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:56:53,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i Unable to find full path for "g++" [2024-11-13 21:56:55,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:56:56,166 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:56:56,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2024-11-13 21:56:56,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/data/a26963405/63d1a59ca0604850b5093fe13470d518/FLAGcb8a51049 [2024-11-13 21:56:56,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/data/a26963405/63d1a59ca0604850b5093fe13470d518 [2024-11-13 21:56:56,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:56:56,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:56:56,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:56:56,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:56:56,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:56:56,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:56:56" (1/1) ... [2024-11-13 21:56:56,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b34c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:56, skipping insertion in model container [2024-11-13 21:56:56,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:56:56" (1/1) ... [2024-11-13 21:56:56,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:56:57,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:56:57,201 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:56:57,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:56:57,479 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:56:57,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:57 WrapperNode [2024-11-13 21:56:57,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:56:57,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:56:57,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:56:57,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:56:57,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:57" (1/1) ... [2024-11-13 21:56:57,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:57" (1/1) ... [2024-11-13 21:56:57,542 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 69 [2024-11-13 21:56:57,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:56:57,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:56:57,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:56:57,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:56:57,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:57" (1/1) ... [2024-11-13 21:56:57,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:57" (1/1) ... [2024-11-13 21:56:57,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:57" (1/1) ... [2024-11-13 21:56:57,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:57" (1/1) ... [2024-11-13 21:56:57,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:57" (1/1) ... [2024-11-13 21:56:57,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:57" (1/1) ... [2024-11-13 21:56:57,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:57" (1/1) ... [2024-11-13 21:56:57,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:57" (1/1) ... [2024-11-13 21:56:57,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:56:57,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:56:57,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:56:57,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:56:57,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:57" (1/1) ... [2024-11-13 21:56:57,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:57,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:56:57,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:56:57,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:56:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:56:57,636 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:56:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:56:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:56:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:56:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:56:57,785 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:56:57,786 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:56:57,954 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 21:56:57,954 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:56:58,023 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:56:58,023 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:56:58,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:58 BoogieIcfgContainer [2024-11-13 21:56:58,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:56:58,025 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:56:58,025 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:56:58,035 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:56:58,035 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:58" (1/1) ... [2024-11-13 21:56:58,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:56:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:58,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 21:56:58,090 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 21:56:58,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:56:58,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:58,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:58,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:58,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:58,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:56:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:58,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:58,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:56:58,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:58,374 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 21:56:58,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:56:58,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:58,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 21:56:58,404 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 21:56:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:56:58,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:58,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:58,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:58,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:58,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:56:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:58,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:56:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:58,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:56:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:56:58,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:58,812 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:56:58,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:56:58 ImpRootNode [2024-11-13 21:56:58,849 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:56:58,850 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:56:58,850 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:56:58,850 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:56:58,851 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:58" (3/4) ... [2024-11-13 21:56:58,854 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:56:58,855 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:56:58,856 INFO L158 Benchmark]: Toolchain (without parser) took 2650.07ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 47.3MB in the end (delta: 10.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-13 21:56:58,860 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:58,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1272.80ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 52.4MB in the end (delta: 4.7MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 21:56:58,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.30ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 49.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:58,861 INFO L158 Benchmark]: Boogie Preprocessor took 30.32ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:58,861 INFO L158 Benchmark]: RCFGBuilder took 450.29ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 30.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:56:58,862 INFO L158 Benchmark]: CodeCheck took 824.68ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 47.3MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:58,862 INFO L158 Benchmark]: Witness Printer took 5.46ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:56:58,864 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: 0.8s, 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, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 1 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1562. 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_add_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1564] data = atoi(inputBuffer) [L1571] CALL funcPtr(data) [L1551] 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 0.30ms. Allocated memory is still 83.9MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1272.80ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 52.4MB in the end (delta: 4.7MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.30ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 49.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.32ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 450.29ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 30.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 824.68ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 47.3MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.46ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 29.5kB). 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 21:56:58,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59916c82-b6fb-4551-885f-edbc2d5818d1/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