./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_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_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/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_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/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_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/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 9669eaa504993e58400e39aa486d7137654633921a41df1436ba4312e9969738 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:02:17,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:02:17,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:02:17,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:02:17,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:02:17,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:02:17,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:02:17,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:02:17,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:02:17,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:02:17,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:02:17,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:02:17,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:02:17,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:02:17,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:02:17,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:02:17,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:02:17,924 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:02:17,924 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:02:17,924 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:02:17,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:02:17,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:02:17,926 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:02:17,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:02:17,927 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:02:17,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:02:17,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:02:17,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:02:17,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:02:17,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:02:17,927 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:02:17,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:02:17,928 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_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/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 -> 9669eaa504993e58400e39aa486d7137654633921a41df1436ba4312e9969738 [2024-11-13 22:02:18,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:02:18,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:02:18,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:02:18,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:02:18,278 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:02:18,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i Unable to find full path for "g++" [2024-11-13 22:02:20,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:02:20,589 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:02:20,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i [2024-11-13 22:02:20,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/data/bebd9173f/480d0953501e46829b3efa234e71d033/FLAGc65cb02f5 [2024-11-13 22:02:20,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/data/bebd9173f/480d0953501e46829b3efa234e71d033 [2024-11-13 22:02:20,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:02:20,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:02:20,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:02:20,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:02:20,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:02:20,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:02:20" (1/1) ... [2024-11-13 22:02:20,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40648b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:20, skipping insertion in model container [2024-11-13 22:02:20,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:02:20" (1/1) ... [2024-11-13 22:02:20,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:02:21,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:02:21,627 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:02:21,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:02:21,862 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:02:21,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:21 WrapperNode [2024-11-13 22:02:21,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:02:21,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:02:21,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:02:21,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:02:21,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:21" (1/1) ... [2024-11-13 22:02:21,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:21" (1/1) ... [2024-11-13 22:02:21,933 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2024-11-13 22:02:21,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:02:21,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:02:21,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:02:21,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:02:21,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:21" (1/1) ... [2024-11-13 22:02:21,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:21" (1/1) ... [2024-11-13 22:02:21,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:21" (1/1) ... [2024-11-13 22:02:21,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:21" (1/1) ... [2024-11-13 22:02:21,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:21" (1/1) ... [2024-11-13 22:02:21,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:21" (1/1) ... [2024-11-13 22:02:21,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:21" (1/1) ... [2024-11-13 22:02:21,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:21" (1/1) ... [2024-11-13 22:02:21,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:02:21,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:02:21,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:02:21,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:02:21,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:21" (1/1) ... [2024-11-13 22:02:21,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:02:21,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:02:22,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:02:22,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:02:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-13 22:02:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-13 22:02:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-13 22:02:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-13 22:02:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:02:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:02:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:02:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:02:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:02:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:02:22,209 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:02:22,211 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:02:22,429 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 22:02:22,432 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:02:22,494 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:02:22,494 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:02:22,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:22 BoogieIcfgContainer [2024-11-13 22:02:22,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:02:22,495 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:02:22,495 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:02:22,504 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:02:22,504 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:22" (1/1) ... [2024-11-13 22:02:22,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:02:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:22,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2024-11-13 22:02:22,564 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2024-11-13 22:02:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:02:22,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:22,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:22,903 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 22:02:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:22,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2024-11-13 22:02:22,969 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2024-11-13 22:02:22,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:02:22,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:22,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:23,059 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 22:02:23,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:23,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2024-11-13 22:02:23,140 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2024-11-13 22:02:23,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:02:23,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:23,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:23,223 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 22:02:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2024-11-13 22:02:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2024-11-13 22:02:23,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:02:23,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:23,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:23,315 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 22:02:23,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2024-11-13 22:02:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2024-11-13 22:02:23,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:02:23,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:23,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:02:23,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:02:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:02:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:02:23,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:02:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:02:23,580 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-13 22:02:23,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:02:23 ImpRootNode [2024-11-13 22:02:23,622 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:02:23,623 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:02:23,623 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:02:23,623 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:02:23,624 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:22" (3/4) ... [2024-11-13 22:02:23,626 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:02:23,627 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:02:23,630 INFO L158 Benchmark]: Toolchain (without parser) took 2981.24ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 106.3MB in the end (delta: 8.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-11-13 22:02:23,630 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:23,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1215.22ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 54.9MB in the end (delta: 60.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:02:23,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.64ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 52.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:02:23,631 INFO L158 Benchmark]: Boogie Preprocessor took 26.52ms. Allocated memory is still 142.6MB. Free memory was 52.2MB in the beginning and 51.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:23,631 INFO L158 Benchmark]: RCFGBuilder took 533.15ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 104.0MB in the end (delta: -52.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 22:02:23,632 INFO L158 Benchmark]: CodeCheck took 1127.13ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 106.3MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:23,632 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 106.3MB in the end (delta: 15.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:23,638 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: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 178 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 116 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 480 GetRequests, 468 SyntacticMatches, 6 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 1593, 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); [L1593] 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) [L1593] 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] [L1594] CALL CWE191_Integer_Underflow__int_fgets_sub_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=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1573] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1215.22ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 54.9MB in the end (delta: 60.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.64ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 52.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.52ms. Allocated memory is still 142.6MB. Free memory was 52.2MB in the beginning and 51.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.15ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 104.0MB in the end (delta: -52.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * CodeCheck took 1127.13ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 106.3MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 106.3MB in the end (delta: 15.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:02:23,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/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_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/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_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/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_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/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 9669eaa504993e58400e39aa486d7137654633921a41df1436ba4312e9969738 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:02:26,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:02:26,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:02:26,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:02:26,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:02:26,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:02:26,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:02:26,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:02:26,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:02:26,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:02:26,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:02:26,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:02:26,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:02:26,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:02:26,548 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:02:26,548 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:02:26,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:02:26,548 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:02:26,548 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:02:26,548 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:02:26,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:02:26,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:02:26,549 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:02:26,549 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:02:26,549 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:02:26,549 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:26,549 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:02:26,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:02:26,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:02:26,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:02:26,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:02:26,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:02:26,550 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:02:26,550 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:26,550 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:02:26,550 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_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/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 -> 9669eaa504993e58400e39aa486d7137654633921a41df1436ba4312e9969738 [2024-11-13 22:02:26,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:02:26,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:02:26,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:02:26,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:02:26,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:02:26,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i Unable to find full path for "g++" [2024-11-13 22:02:28,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:02:29,104 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:02:29,105 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i [2024-11-13 22:02:29,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/data/541c39d59/f88b1e723d284e8f8ae7196acf9b4171/FLAG94e43ba84 [2024-11-13 22:02:29,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/data/541c39d59/f88b1e723d284e8f8ae7196acf9b4171 [2024-11-13 22:02:29,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:02:29,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:02:29,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:02:29,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:02:29,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:02:29,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:02:29" (1/1) ... [2024-11-13 22:02:29,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d2d589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:29, skipping insertion in model container [2024-11-13 22:02:29,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:02:29" (1/1) ... [2024-11-13 22:02:29,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:02:30,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:02:30,186 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:02:30,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:02:30,558 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:02:30,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:30 WrapperNode [2024-11-13 22:02:30,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:02:30,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:02:30,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:02:30,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:02:30,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:30" (1/1) ... [2024-11-13 22:02:30,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:30" (1/1) ... [2024-11-13 22:02:30,619 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2024-11-13 22:02:30,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:02:30,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:02:30,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:02:30,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:02:30,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:30" (1/1) ... [2024-11-13 22:02:30,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:30" (1/1) ... [2024-11-13 22:02:30,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:30" (1/1) ... [2024-11-13 22:02:30,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:30" (1/1) ... [2024-11-13 22:02:30,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:30" (1/1) ... [2024-11-13 22:02:30,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:30" (1/1) ... [2024-11-13 22:02:30,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:30" (1/1) ... [2024-11-13 22:02:30,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:30" (1/1) ... [2024-11-13 22:02:30,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:02:30,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:02:30,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:02:30,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:02:30,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:30" (1/1) ... [2024-11-13 22:02:30,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:02:30,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:02:30,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:02:30,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:02:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-13 22:02:30,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-13 22:02:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-13 22:02:30,743 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-13 22:02:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:02:30,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:02:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:02:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:02:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:02:30,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:02:30,924 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:02:30,926 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:02:31,187 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:02:31,187 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:02:31,271 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:02:31,271 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:02:31,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:31 BoogieIcfgContainer [2024-11-13 22:02:31,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:02:31,272 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:02:31,272 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:02:31,284 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:02:31,284 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:31" (1/1) ... [2024-11-13 22:02:31,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:02:31,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:31,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2024-11-13 22:02:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-11-13 22:02:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:02:31,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:31,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:31,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:31,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:31,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:02:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:31,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:31,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:02:31,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:31,695 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 22:02:31,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:02:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2024-11-13 22:02:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2024-11-13 22:02:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:02:31,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:31,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:31,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:31,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:31,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:02:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:31,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:31,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:02:31,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:31,965 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 22:02:31,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:02:31,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2024-11-13 22:02:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2024-11-13 22:02:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:02:31,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:31,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:31,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:31,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:31,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:02:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:32,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:32,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:02:32,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:32,247 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 22:02:32,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:02:32,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:32,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2024-11-13 22:02:32,289 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2024-11-13 22:02:32,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:02:32,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:32,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:32,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:32,293 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:32,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:02:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:02:32,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:02:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:02:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:02:32,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:02:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:02:32,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:02:32,733 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-13 22:02:32,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:02:32 ImpRootNode [2024-11-13 22:02:32,778 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:02:32,780 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:02:32,780 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:02:32,780 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:02:32,781 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:31" (3/4) ... [2024-11-13 22:02:32,783 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:02:32,784 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:02:32,788 INFO L158 Benchmark]: Toolchain (without parser) took 3627.31ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 27.6MB in the end (delta: 29.4MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-13 22:02:32,788 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:32,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1400.51ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.2MB in the end (delta: 6.5MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 22:02:32,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.07ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 47.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:32,789 INFO L158 Benchmark]: Boogie Preprocessor took 47.72ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:02:32,789 INFO L158 Benchmark]: RCFGBuilder took 602.41ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 51.4MB in the end (delta: -5.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-13 22:02:32,790 INFO L158 Benchmark]: CodeCheck took 1506.43ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 28.0MB in the end (delta: 23.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-13 22:02:32,793 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 83.9MB. Free memory was 28.0MB in the beginning and 27.6MB in the end (delta: 451.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:32,795 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: 1.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 113 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 71 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 334 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 6/6 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 1593, 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); [L1593] 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) [L1593] 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] [L1594] CALL CWE191_Integer_Underflow__int_fgets_sub_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=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1573] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1400.51ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.2MB in the end (delta: 6.5MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.07ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 47.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.72ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 602.41ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 51.4MB in the end (delta: -5.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * CodeCheck took 1506.43ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 28.0MB in the end (delta: 23.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 83.9MB. Free memory was 28.0MB in the beginning and 27.6MB in the end (delta: 451.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:02:32,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffca50e-0cd6-4873-bccf-a31ab08c5c64/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample