./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3 --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 ce1696e81cfe13c51ade229e4f426712ee728cef6dac30b7b39193f0e1923a73 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:01,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:01,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 01:58:01,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:58:01,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:58:01,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:01,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:01,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:01,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:01,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:01,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:01,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:01,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:58:01,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:01,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:01,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:01,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:01,139 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:58:01,139 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:58:01,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:01,139 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:01,139 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:01,140 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:01,140 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:01,140 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:01,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:01,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:01,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:01,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:01,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:01,141 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:58:01,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:58:01,141 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_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3 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 -> ce1696e81cfe13c51ade229e4f426712ee728cef6dac30b7b39193f0e1923a73 [2024-11-25 01:58:01,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:01,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:01,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:01,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:01,492 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:01,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_10_bad.i [2024-11-25 01:58:04,629 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/data/4dd76fa57/b6b190934ea446caae7cb058bf9a2444/FLAGd7f0d2f00 [2024-11-25 01:58:05,141 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:05,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_10_bad.i [2024-11-25 01:58:05,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/data/4dd76fa57/b6b190934ea446caae7cb058bf9a2444/FLAGd7f0d2f00 [2024-11-25 01:58:05,223 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/data/4dd76fa57/b6b190934ea446caae7cb058bf9a2444 [2024-11-25 01:58:05,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:05,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:05,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:05,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:05,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:05,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a1e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05, skipping insertion in model container [2024-11-25 01:58:05,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:06,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:06,348 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:06,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:06,620 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:06,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06 WrapperNode [2024-11-25 01:58:06,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:06,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:06,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:06,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:06,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,679 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-25 01:58:06,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:06,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:06,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:06,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:06,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,697 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:06,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:06,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:06,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:06,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:06,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:06,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:06,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 01:58:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 01:58:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:58:06,995 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:06,997 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:07,158 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:07,158 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:07,216 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:07,217 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:58:07,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:07 BoogieIcfgContainer [2024-11-25 01:58:07,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:07,219 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:07,219 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:07,230 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:07,231 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:07" (1/1) ... [2024-11-25 01:58:07,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:07,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:07,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 01:58:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 01:58:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:58:07,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:07,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:07,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 23 transitions. [2024-11-25 01:58:07,653 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 01:58:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 01:58:07,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:07,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:07,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 22 transitions. [2024-11-25 01:58:07,841 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 01:58:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 01:58:07,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:07,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:07,925 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:08,044 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:08,081 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 01:58:08,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:58:08 ImpRootNode [2024-11-25 01:58:08,115 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:58:08,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:58:08,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:58:08,116 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:58:08,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:07" (3/4) ... [2024-11-25 01:58:08,119 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 01:58:08,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:58:08,120 INFO L158 Benchmark]: Toolchain (without parser) took 2893.96ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 89.8MB in the beginning and 313.2MB in the end (delta: -223.4MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-25 01:58:08,121 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:08,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1394.15ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 81.4MB in the end (delta: 8.4MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2024-11-25 01:58:08,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.81ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.8MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:08,122 INFO L158 Benchmark]: Boogie Preprocessor took 23.36ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:08,122 INFO L158 Benchmark]: RCFGBuilder took 512.79ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 64.1MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:08,123 INFO L158 Benchmark]: CodeCheck took 896.75ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 63.5MB in the beginning and 313.9MB in the end (delta: -250.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:08,123 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 352.3MB. Free memory was 313.2MB in the beginning and 313.2MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:08,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 36 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1570]: 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 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_10_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] COND TRUE \read(globalTrue) [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) [L1566] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 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 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1394.15ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 81.4MB in the end (delta: 8.4MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.81ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.8MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.36ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.79ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 64.1MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 896.75ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 63.5MB in the beginning and 313.9MB in the end (delta: -250.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 352.3MB. Free memory was 313.2MB in the beginning and 313.2MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 01:58:08,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/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_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3 --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 ce1696e81cfe13c51ade229e4f426712ee728cef6dac30b7b39193f0e1923a73 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:11,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:11,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 01:58:11,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:11,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:11,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:11,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:11,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:11,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:11,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:11,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:11,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:11,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:11,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:11,286 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 01:58:11,286 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 01:58:11,286 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:58:11,286 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 01:58:11,286 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:58:11,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:11,286 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:11,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:11,289 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:11,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:11,289 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:11,289 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:11,289 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 01:58:11,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:11,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:11,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:11,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:11,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:11,291 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 01:58:11,291 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:11,291 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 01:58:11,291 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_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3 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 -> ce1696e81cfe13c51ade229e4f426712ee728cef6dac30b7b39193f0e1923a73 [2024-11-25 01:58:11,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:11,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:11,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:11,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:11,630 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:11,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_10_bad.i [2024-11-25 01:58:14,981 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/data/1fb2aedd5/0feb6bffc2524f05b3f7a40802b149fa/FLAG4f9ce0302 [2024-11-25 01:58:15,399 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:15,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_10_bad.i [2024-11-25 01:58:15,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/data/1fb2aedd5/0feb6bffc2524f05b3f7a40802b149fa/FLAG4f9ce0302 [2024-11-25 01:58:15,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/data/1fb2aedd5/0feb6bffc2524f05b3f7a40802b149fa [2024-11-25 01:58:15,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:15,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:15,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:15,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:15,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:15,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:15" (1/1) ... [2024-11-25 01:58:15,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6559aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:15, skipping insertion in model container [2024-11-25 01:58:15,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:15" (1/1) ... [2024-11-25 01:58:15,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:16,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:16,655 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:16,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:16,991 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:16,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16 WrapperNode [2024-11-25 01:58:16,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:16,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:16,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:16,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:16,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:17,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:17,045 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-25 01:58:17,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:17,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:17,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:17,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:17,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:17,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:17,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:17,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:17,066 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:17,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:17,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:17,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:17,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:17,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:17,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:17,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:17,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:17,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:17,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:17,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:17,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:17,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 01:58:17,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 01:58:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 01:58:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:17,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:17,338 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:17,341 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:17,531 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:17,531 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:17,592 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:17,596 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:58:17,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:17 BoogieIcfgContainer [2024-11-25 01:58:17,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:17,600 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:17,600 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:17,611 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:17,611 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:17,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 01:58:17,698 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 01:58:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:58:17,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:17,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:17,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:17,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:17,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 01:58:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:17,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:58:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:17,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 01:58:17,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:17,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:17,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 01:58:18,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-25 01:58:18,016 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-25 01:58:18,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 01:58:18,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:18,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:18,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:18,019 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:18,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 01:58:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:18,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:58:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:18,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 01:58:18,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:18,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 01:58:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 01:58:18,315 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 01:58:18,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 01:58:18,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:18,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:18,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:18,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:18,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 01:58:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:18,496 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:18,631 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:18,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 01:58:18,679 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 01:58:18,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:58:18 ImpRootNode [2024-11-25 01:58:18,719 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:58:18,720 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:58:18,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:58:18,720 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:58:18,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:17" (3/4) ... [2024-11-25 01:58:18,724 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 01:58:18,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:58:18,728 INFO L158 Benchmark]: Toolchain (without parser) took 3268.93ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 57.9MB in the beginning and 136.2MB in the end (delta: -78.3MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-11-25 01:58:18,728 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:18,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1533.92ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 53.6MB in the end (delta: 4.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-25 01:58:18,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.17ms. Allocated memory is still 83.9MB. Free memory was 53.6MB in the beginning and 50.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:18,729 INFO L158 Benchmark]: Boogie Preprocessor took 29.42ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 49.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:18,730 INFO L158 Benchmark]: RCFGBuilder took 523.01ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 33.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:58:18,730 INFO L158 Benchmark]: CodeCheck took 1119.20ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 32.9MB in the beginning and 136.6MB in the end (delta: -103.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-25 01:58:18,730 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 201.3MB. Free memory was 136.2MB in the beginning and 136.2MB in the end (delta: 13.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:18,736 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 28 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 86 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1570]: 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 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_10_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] COND TRUE \read(globalTrue) [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) [L1566] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 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 0.47ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1533.92ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 53.6MB in the end (delta: 4.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.17ms. Allocated memory is still 83.9MB. Free memory was 53.6MB in the beginning and 50.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.42ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 49.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 523.01ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 33.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1119.20ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 32.9MB in the beginning and 136.6MB in the end (delta: -103.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 201.3MB. Free memory was 136.2MB in the beginning and 136.2MB in the end (delta: 13.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 01:58:18,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b9a352-922a-4310-83ef-d4542ba075d8/bin/ukojak-verify-ENZ3QT5qd3/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