./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_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_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/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_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/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_23ba9802-19b6-48d8-843b-fa3cf236781b/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 19f71b33981d45bfaf89d18943aa51a1d43ccac507b6487cdf8542390b8e7750 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:22,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:22,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:17:22,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:22,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:22,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:22,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:22,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:22,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:22,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:22,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:22,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:22,980 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:22,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:22,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:22,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:22,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:22,981 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:22,981 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:22,981 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:22,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:22,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:22,981 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:22,981 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:22,982 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:22,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:22,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:22,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:22,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:22,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:22,983 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:22,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:22,983 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_23ba9802-19b6-48d8-843b-fa3cf236781b/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 -> 19f71b33981d45bfaf89d18943aa51a1d43ccac507b6487cdf8542390b8e7750 [2024-11-13 20:17:23,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:23,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:23,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:23,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:23,303 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:23,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i Unable to find full path for "g++" [2024-11-13 20:17:25,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:25,656 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:25,657 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i [2024-11-13 20:17:25,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/data/b1886b07b/ba5da56c66194e1bb146586ad5220c48/FLAG883eee99c [2024-11-13 20:17:25,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/data/b1886b07b/ba5da56c66194e1bb146586ad5220c48 [2024-11-13 20:17:25,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:25,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:25,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:25,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:25,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:25,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:25,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5636f7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25, skipping insertion in model container [2024-11-13 20:17:25,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:25,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:26,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:26,851 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:26,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:27,123 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:27,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27 WrapperNode [2024-11-13 20:17:27,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:27,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:27,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:27,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:27,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,198 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2024-11-13 20:17:27,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:27,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:27,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:27,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:27,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:27,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:27,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:27,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:27,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:27,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:27,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:27,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:27,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:27,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:27,508 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:27,511 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:27,704 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:27,704 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:27,773 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:27,773 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:27,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:27 BoogieIcfgContainer [2024-11-13 20:17:27,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:27,774 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:27,774 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:27,787 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:27,788 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:17:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:17:27,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:17:27,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:27,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:28,411 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 20:17:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:28,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:17:28,521 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:17:28,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:17:28,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:28,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:28,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:28,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:28,731 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:17:28,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:28 ImpRootNode [2024-11-13 20:17:28,771 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:28,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:28,772 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:28,772 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:28,773 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:27" (3/4) ... [2024-11-13 20:17:28,776 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:28,777 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:28,779 INFO L158 Benchmark]: Toolchain (without parser) took 2983.36ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 76.2MB in the end (delta: 12.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-13 20:17:28,780 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:28,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1327.36ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 80.0MB in the end (delta: 8.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-11-13 20:17:28,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.41ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:28,784 INFO L158 Benchmark]: Boogie Preprocessor took 41.44ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:28,784 INFO L158 Benchmark]: RCFGBuilder took 531.48ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 62.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:28,785 INFO L158 Benchmark]: CodeCheck took 996.58ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 76.9MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:28,787 INFO L158 Benchmark]: Witness Printer took 6.03ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 76.2MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:28,790 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, 0.0s 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_postinc_41_bad() [L1558] int data; [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, 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 badSink(data) [L1551] data++ 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 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1327.36ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 80.0MB in the end (delta: 8.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.41ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.44ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 531.48ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 62.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 996.58ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 76.9MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.03ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 76.2MB 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 20:17:28,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/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_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/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_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/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_23ba9802-19b6-48d8-843b-fa3cf236781b/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 19f71b33981d45bfaf89d18943aa51a1d43ccac507b6487cdf8542390b8e7750 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:31,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:32,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:17:32,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:32,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:32,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:32,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:32,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:32,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:32,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:32,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:32,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:32,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:32,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:32,169 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:17:32,170 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:17:32,170 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:32,170 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:32,170 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:17:32,170 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:32,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:32,170 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:32,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:32,171 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:32,171 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:32,171 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:32,171 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:17:32,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:32,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:32,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:32,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:32,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:32,172 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:17:32,173 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:32,173 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:17:32,173 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_23ba9802-19b6-48d8-843b-fa3cf236781b/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 -> 19f71b33981d45bfaf89d18943aa51a1d43ccac507b6487cdf8542390b8e7750 [2024-11-13 20:17:32,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:32,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:32,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:32,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:32,600 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:32,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i Unable to find full path for "g++" [2024-11-13 20:17:34,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:35,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:35,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i [2024-11-13 20:17:35,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/data/a70b410aa/49776681b512466b95c11062bb9b9cf3/FLAG6a971f80d [2024-11-13 20:17:35,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/data/a70b410aa/49776681b512466b95c11062bb9b9cf3 [2024-11-13 20:17:35,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:35,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:35,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:35,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:35,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:35,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:35" (1/1) ... [2024-11-13 20:17:35,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4171a694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:35, skipping insertion in model container [2024-11-13 20:17:35,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:35" (1/1) ... [2024-11-13 20:17:35,474 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:36,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:36,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:36,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:37,091 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:37,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37 WrapperNode [2024-11-13 20:17:37,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:37,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:37,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:37,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:37,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,166 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-11-13 20:17:37,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:37,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:37,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:37,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:37,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:37,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:37,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:37,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:37,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:37,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:37,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:37,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:17:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:37,558 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:37,560 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:37,720 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:37,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:37,780 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:37,780 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:37,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:37 BoogieIcfgContainer [2024-11-13 20:17:37,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:37,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:37,782 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:37,795 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:37,795 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:37,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:17:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:17:37,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:17:37,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:37,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:37,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:37,890 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:37,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:17:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:38,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:38,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:17:38,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:38,226 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 20:17:38,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:17:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:38,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:17:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:17:38,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:17:38,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:38,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:38,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:38,266 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:38,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:17:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:38,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:38,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:38,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 20:17:38,680 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:17:38,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:38 ImpRootNode [2024-11-13 20:17:38,714 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:38,715 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:38,715 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:38,716 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:38,716 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:37" (3/4) ... [2024-11-13 20:17:38,720 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:38,721 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:38,723 INFO L158 Benchmark]: Toolchain (without parser) took 3336.17ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 48.4MB in the end (delta: 8.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-13 20:17:38,726 INFO L158 Benchmark]: CDTParser took 5.03ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:38,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1703.66ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 50.8MB in the end (delta: 6.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:17:38,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.79ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:38,727 INFO L158 Benchmark]: Boogie Preprocessor took 57.93ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:38,727 INFO L158 Benchmark]: RCFGBuilder took 554.92ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 30.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:38,727 INFO L158 Benchmark]: CodeCheck took 932.36ms. Allocated memory is still 83.9MB. Free memory was 30.0MB in the beginning and 48.4MB in the end (delta: -18.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-13 20:17:38,728 INFO L158 Benchmark]: Witness Printer took 6.59ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 48.4MB in the end (delta: 4.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:38,733 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, 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, 53 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_postinc_41_bad() [L1558] int data; [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, 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 badSink(data) [L1551] data++ 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 5.03ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1703.66ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 50.8MB in the end (delta: 6.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.79ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.93ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 554.92ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 30.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 932.36ms. Allocated memory is still 83.9MB. Free memory was 30.0MB in the beginning and 48.4MB in the end (delta: -18.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 6.59ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 48.4MB in the end (delta: 4.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:17:38,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ba9802-19b6-48d8-843b-fa3cf236781b/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample