./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_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_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/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_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/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_4b761ebd-6190-4d6e-907d-45d2481a8998/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 ae52c5d582497291c525bb7e5d6f537c4a681411b48fa6449cbc12b3d30c90d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:21:20,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:21:20,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:21:20,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:21:20,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:21:20,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:21:20,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:21:20,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:21:20,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:21:20,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:21:20,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:21:20,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:21:20,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:21:20,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:21:20,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:21:20,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:21:20,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:21:20,675 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:21:20,676 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:21:20,676 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:21:20,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:21:20,676 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:21:20,676 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:21:20,676 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:21:20,676 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:21:20,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:21:20,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:21:20,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:21:20,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:21:20,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:21:20,677 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:21:20,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:21:20,678 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_4b761ebd-6190-4d6e-907d-45d2481a8998/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 -> ae52c5d582497291c525bb7e5d6f537c4a681411b48fa6449cbc12b3d30c90d5 [2024-11-13 21:21:21,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:21:21,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:21:21,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:21:21,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:21:21,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:21:21,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i Unable to find full path for "g++" [2024-11-13 21:21:23,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:21:24,063 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:21:24,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i [2024-11-13 21:21:24,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/data/bb48a2fb3/46efdbe844084343bbafdba6e51109d4/FLAGeec185fbc [2024-11-13 21:21:24,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/data/bb48a2fb3/46efdbe844084343bbafdba6e51109d4 [2024-11-13 21:21:24,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:21:24,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:21:24,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:21:24,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:21:24,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:21:24,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:21:24" (1/1) ... [2024-11-13 21:21:24,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aacf247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:24, skipping insertion in model container [2024-11-13 21:21:24,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:21:24" (1/1) ... [2024-11-13 21:21:24,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:21:25,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:21:25,834 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:21:25,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:21:26,108 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:21:26,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:26 WrapperNode [2024-11-13 21:21:26,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:21:26,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:21:26,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:21:26,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:21:26,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:26" (1/1) ... [2024-11-13 21:21:26,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:26" (1/1) ... [2024-11-13 21:21:26,203 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2024-11-13 21:21:26,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:21:26,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:21:26,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:21:26,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:21:26,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:26" (1/1) ... [2024-11-13 21:21:26,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:26" (1/1) ... [2024-11-13 21:21:26,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:26" (1/1) ... [2024-11-13 21:21:26,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:26" (1/1) ... [2024-11-13 21:21:26,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:26" (1/1) ... [2024-11-13 21:21:26,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:26" (1/1) ... [2024-11-13 21:21:26,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:26" (1/1) ... [2024-11-13 21:21:26,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:26" (1/1) ... [2024-11-13 21:21:26,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:21:26,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:21:26,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:21:26,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:21:26,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:26" (1/1) ... [2024-11-13 21:21:26,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:21:26,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:21:26,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:21:26,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:21:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-13 21:21:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-13 21:21:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-13 21:21:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-13 21:21:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:21:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:21:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:21:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:21:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:21:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:21:26,569 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:21:26,571 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:21:26,771 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 21:21:26,771 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:21:26,836 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:21:26,837 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:21:26,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:26 BoogieIcfgContainer [2024-11-13 21:21:26,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:21:26,840 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:21:26,840 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:21:26,853 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:21:26,854 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:26" (1/1) ... [2024-11-13 21:21:26,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:21:26,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:26,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2024-11-13 21:21:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2024-11-13 21:21:26,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:21:26,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:26,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:21:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:27,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2024-11-13 21:21:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2024-11-13 21:21:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:21:27,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:27,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:27,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:21:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:27,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 43 states and 54 transitions. [2024-11-13 21:21:27,739 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2024-11-13 21:21:27,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:21:27,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:27,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:21:27,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2024-11-13 21:21:27,959 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2024-11-13 21:21:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:21:27,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:27,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:21:28,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 46 states and 57 transitions. [2024-11-13 21:21:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2024-11-13 21:21:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:21:28,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:28,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:28,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:21:28,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2024-11-13 21:21:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2024-11-13 21:21:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:21:28,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:28,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:28,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:21:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:28,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:21:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:28,701 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-13 21:21:28,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:21:28 ImpRootNode [2024-11-13 21:21:28,744 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:21:28,745 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:21:28,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:21:28,745 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:21:28,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:26" (3/4) ... [2024-11-13 21:21:28,749 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:21:28,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:21:28,751 INFO L158 Benchmark]: Toolchain (without parser) took 4195.76ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 80.1MB in the end (delta: 35.7MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-11-13 21:21:28,751 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:28,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1553.92ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 55.4MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 21:21:28,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.37ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 52.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:21:28,752 INFO L158 Benchmark]: Boogie Preprocessor took 50.43ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 51.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:28,753 INFO L158 Benchmark]: RCFGBuilder took 582.96ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 104.5MB in the end (delta: -53.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 21:21:28,754 INFO L158 Benchmark]: CodeCheck took 1904.59ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 81.0MB in the end (delta: 23.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-13 21:21:28,754 INFO L158 Benchmark]: Witness Printer took 4.68ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 80.1MB in the end (delta: 883.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:28,757 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 4 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 163 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 124 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 590 GetRequests, 576 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 10/10 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1595, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1595] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={4:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1595] 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] [L1596] CALL CWE190_Integer_Overflow__int_fgets_postinc_12_bad() [L1550] int data; [L1551] data = 0 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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() 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] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1555] 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1573] 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 0.52ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1553.92ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 55.4MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.37ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 52.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.43ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 51.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 582.96ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 104.5MB in the end (delta: -53.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 1904.59ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 81.0MB in the end (delta: 23.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Witness Printer took 4.68ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 80.1MB in the end (delta: 883.5kB). 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 21:21:28,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/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_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/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_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/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_4b761ebd-6190-4d6e-907d-45d2481a8998/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 ae52c5d582497291c525bb7e5d6f537c4a681411b48fa6449cbc12b3d30c90d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:21:32,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:21:32,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:21:32,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:21:32,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:21:32,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:21:32,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:21:32,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:21:32,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:21:32,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:21:32,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:21:32,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:21:32,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:21:32,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:21:32,441 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:21:32,441 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:21:32,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:21:32,442 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:21:32,442 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:21:32,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:21:32,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:21:32,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:21:32,442 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:21:32,443 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:21:32,443 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:21:32,443 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:21:32,443 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:21:32,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:21:32,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:21:32,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:21:32,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:21:32,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:21:32,447 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:21:32,447 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:21:32,447 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:21:32,448 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_4b761ebd-6190-4d6e-907d-45d2481a8998/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 -> ae52c5d582497291c525bb7e5d6f537c4a681411b48fa6449cbc12b3d30c90d5 [2024-11-13 21:21:32,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:21:32,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:21:32,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:21:32,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:21:32,866 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:21:32,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i Unable to find full path for "g++" [2024-11-13 21:21:35,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:21:35,614 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:21:35,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_bad.i [2024-11-13 21:21:35,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/data/fe449cffa/3bff178691fd433db2440f017368dcf6/FLAG499302f8f [2024-11-13 21:21:35,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/data/fe449cffa/3bff178691fd433db2440f017368dcf6 [2024-11-13 21:21:35,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:21:35,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:21:35,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:21:35,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:21:35,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:21:35,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:21:35" (1/1) ... [2024-11-13 21:21:35,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314a9b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:35, skipping insertion in model container [2024-11-13 21:21:35,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:21:35" (1/1) ... [2024-11-13 21:21:35,897 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:21:37,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:21:37,249 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:21:37,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:21:37,671 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:21:37,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37 WrapperNode [2024-11-13 21:21:37,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:21:37,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:21:37,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:21:37,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:21:37,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,754 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2024-11-13 21:21:37,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:21:37,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:21:37,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:21:37,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:21:37,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:21:37,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:21:37,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:21:37,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:21:37,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:21:37,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:21:37,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:21:37,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:21:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-13 21:21:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-13 21:21:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-13 21:21:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-13 21:21:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:21:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:21:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:21:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:21:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:21:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:21:38,150 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:21:38,153 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:21:38,432 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:21:38,432 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:21:38,536 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:21:38,538 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:21:38,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:38 BoogieIcfgContainer [2024-11-13 21:21:38,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:21:38,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:21:38,540 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:21:38,552 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:21:38,553 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:38" (1/1) ... [2024-11-13 21:21:38,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:21:38,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:38,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2024-11-13 21:21:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-11-13 21:21:38,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:21:38,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:38,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:21:38,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:21:38,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:21:38,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:21:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:38,873 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:21:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:38,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:21:38,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:21:38,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:21:38,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:21:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:39,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2024-11-13 21:21:39,018 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2024-11-13 21:21:39,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:21:39,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:39,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:21:39,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:21:39,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:21:39,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:21:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:39,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:21:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:39,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:21:39,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:21:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:21:39,384 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:21:39,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:21:39,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:39,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2024-11-13 21:21:39,507 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2024-11-13 21:21:39,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:21:39,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:39,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:21:39,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:21:39,515 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:21:39,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:21:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:39,696 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:21:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:39,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:21:39,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:21:39,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:21:39,742 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:21:39,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:21:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:39,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2024-11-13 21:21:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2024-11-13 21:21:39,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:21:39,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:39,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:21:39,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:21:39,763 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:21:39,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:21:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:39,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:21:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:39,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:21:39,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:21:40,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:21:40,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 21:21:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:40,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2024-11-13 21:21:40,097 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2024-11-13 21:21:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:21:40,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:40,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:21:40,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:21:40,104 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:21:40,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:21:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:40,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:21:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:40,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:21:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:40,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:21:40,682 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-13 21:21:40,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:21:40 ImpRootNode [2024-11-13 21:21:40,717 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:21:40,718 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:21:40,718 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:21:40,718 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:21:40,719 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:38" (3/4) ... [2024-11-13 21:21:40,722 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:21:40,723 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:21:40,725 INFO L158 Benchmark]: Toolchain (without parser) took 4947.25ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 57.3MB in the beginning and 96.2MB in the end (delta: -38.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-13 21:21:40,725 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:40,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1892.51ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.5MB in the end (delta: 6.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 21:21:40,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.68ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 47.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:40,727 INFO L158 Benchmark]: Boogie Preprocessor took 49.70ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:40,727 INFO L158 Benchmark]: RCFGBuilder took 733.32ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 52.2MB in the end (delta: -6.5MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-13 21:21:40,728 INFO L158 Benchmark]: CodeCheck took 2177.87ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 52.2MB in the beginning and 96.2MB in the end (delta: -44.0MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-13 21:21:40,728 INFO L158 Benchmark]: Witness Printer took 5.57ms. Allocated memory is still 134.2MB. Free memory was 96.2MB in the beginning and 96.2MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:40,731 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 4 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 100 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 452 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 216 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1595, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1595] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={4:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1595] 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] [L1596] CALL CWE190_Integer_Overflow__int_fgets_postinc_12_bad() [L1550] int data; [L1551] data = 0 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] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() 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] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1555] 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1573] 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 0.33ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1892.51ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.5MB in the end (delta: 6.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.68ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 47.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.70ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 733.32ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 52.2MB in the end (delta: -6.5MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * CodeCheck took 2177.87ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 52.2MB in the beginning and 96.2MB in the end (delta: -44.0MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 5.57ms. Allocated memory is still 134.2MB. Free memory was 96.2MB in the beginning and 96.2MB 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 21:21:40,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b761ebd-6190-4d6e-907d-45d2481a8998/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