./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_13_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_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/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_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/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_03e9ed9a-4d63-489b-be76-a8b418dcc406/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 e314a29ac007dec98ba2eef30ad04385da74b9dda89843d5c04504c999a9e9ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:45,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:45,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 01:57:45,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:45,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:45,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:45,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:45,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:45,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:45,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:45,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:45,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:45,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:45,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:45,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:45,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:45,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:45,355 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:57:45,355 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:57:45,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:45,355 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:45,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:45,356 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:45,356 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:45,356 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:45,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:45,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:45,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:45,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:45,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:45,358 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:45,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:45,358 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_03e9ed9a-4d63-489b-be76-a8b418dcc406/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 -> e314a29ac007dec98ba2eef30ad04385da74b9dda89843d5c04504c999a9e9ea [2024-11-25 01:57:45,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:45,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:45,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:45,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:45,711 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:45,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_13_bad.i [2024-11-25 01:57:48,810 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/data/6ca7db51e/c1bcc899c036416b852e4b384d10a82d/FLAG03e1e3287 [2024-11-25 01:57:49,343 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:49,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_13_bad.i [2024-11-25 01:57:49,381 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/data/6ca7db51e/c1bcc899c036416b852e4b384d10a82d/FLAG03e1e3287 [2024-11-25 01:57:49,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/data/6ca7db51e/c1bcc899c036416b852e4b384d10a82d [2024-11-25 01:57:49,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:49,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:49,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:49,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:49,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:49,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506b57ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49, skipping insertion in model container [2024-11-25 01:57:49,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:50,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:50,811 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:50,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:51,054 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:51,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51 WrapperNode [2024-11-25 01:57:51,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:51,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:51,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:51,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:51,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,099 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-25 01:57:51,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:51,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:51,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:51,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:51,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,115 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:51,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:51,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:51,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:51,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:51,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:51,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:51,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 01:57:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 01:57:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:57:51,353 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:51,355 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:51,458 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 01:57:51,459 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:57:51,493 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:57:51,498 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:57:51,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:51 BoogieIcfgContainer [2024-11-25 01:57:51,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:57:51,499 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:57:51,499 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:57:51,509 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:57:51,509 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:51" (1/1) ... [2024-11-25 01:57:51,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:57:51,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:51,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 01:57:51,580 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 01:57:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:57:51,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:51,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:51,851 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 01:57:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:51,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 23 transitions. [2024-11-25 01:57:51,897 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 01:57:51,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 01:57:51,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:51,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:51,972 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:57:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:52,103 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:57:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:52,142 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 01:57:52,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:57:52 ImpRootNode [2024-11-25 01:57:52,182 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:57:52,182 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:57:52,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:57:52,183 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:57:52,184 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:51" (3/4) ... [2024-11-25 01:57:52,186 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 01:57:52,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:57:52,190 INFO L158 Benchmark]: Toolchain (without parser) took 2314.17ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 63.9MB in the end (delta: 50.8MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-25 01:57:52,191 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:52,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1180.14ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 107.8MB in the end (delta: 6.9MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-25 01:57:52,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.97ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 104.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:52,192 INFO L158 Benchmark]: Boogie Preprocessor took 22.61ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 104.1MB in the end (delta: 690.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:52,192 INFO L158 Benchmark]: RCFGBuilder took 375.22ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 90.4MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:52,193 INFO L158 Benchmark]: CodeCheck took 682.34ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 64.5MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 01:57:52,193 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 63.9MB in the end (delta: 587.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:52,198 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 17 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 69 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, 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 CWE191_Integer_Underflow__int_fgets_multiply_13_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 GLOBAL_CONST_FIVE==5 [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 GLOBAL_CONST_FIVE==5 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 0.46ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1180.14ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 107.8MB in the end (delta: 6.9MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.97ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 104.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.61ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 104.1MB in the end (delta: 690.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 375.22ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 90.4MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 682.34ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 64.5MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 63.9MB in the end (delta: 587.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 01:57:52,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/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_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/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_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/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_03e9ed9a-4d63-489b-be76-a8b418dcc406/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 e314a29ac007dec98ba2eef30ad04385da74b9dda89843d5c04504c999a9e9ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:55,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:55,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 01:57:55,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:55,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:55,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:55,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:55,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:55,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:55,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:55,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:55,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:55,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:55,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:55,446 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 01:57:55,446 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 01:57:55,446 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:57:55,446 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 01:57:55,446 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:57:55,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:55,447 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:55,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:55,447 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:55,447 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:55,448 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:55,448 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:57:55,448 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 01:57:55,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:55,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:55,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:55,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:55,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:55,450 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 01:57:55,450 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:57:55,450 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 01:57:55,450 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_03e9ed9a-4d63-489b-be76-a8b418dcc406/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 -> e314a29ac007dec98ba2eef30ad04385da74b9dda89843d5c04504c999a9e9ea [2024-11-25 01:57:55,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:55,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:55,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:55,851 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:55,851 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:55,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_13_bad.i [2024-11-25 01:57:59,514 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/data/ca8061b50/f2da905dd4e04337aba32b576d6eaf24/FLAG7dfcca487 [2024-11-25 01:58:00,064 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:00,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_13_bad.i [2024-11-25 01:58:00,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/data/ca8061b50/f2da905dd4e04337aba32b576d6eaf24/FLAG7dfcca487 [2024-11-25 01:58:00,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/data/ca8061b50/f2da905dd4e04337aba32b576d6eaf24 [2024-11-25 01:58:00,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:00,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:00,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:00,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:00,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:00,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:00" (1/1) ... [2024-11-25 01:58:00,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d689ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:00, skipping insertion in model container [2024-11-25 01:58:00,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:00" (1/1) ... [2024-11-25 01:58:00,671 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:02,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:02,061 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:02,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:02,486 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:02,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02 WrapperNode [2024-11-25 01:58:02,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:02,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:02,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:02,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:02,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,567 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-25 01:58:02,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:02,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:02,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:02,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:02,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,594 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:02,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:02,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:02,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:02,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:02,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:02,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:02,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 01:58:02,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 01:58:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 01:58:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:02,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:02,958 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:02,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:03,174 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:03,174 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:03,232 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:03,232 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:58:03,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:03 BoogieIcfgContainer [2024-11-25 01:58:03,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:03,233 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:03,234 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:03,247 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:03,248 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:03" (1/1) ... [2024-11-25 01:58:03,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 01:58:03,323 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 01:58:03,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:58:03,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:03,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:03,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:03,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:03,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 01:58:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:03,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:58:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:03,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 01:58:03,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:03,563 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 01:58:03,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 01:58:03,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:03,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 28 transitions. [2024-11-25 01:58:03,649 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 01:58:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 01:58:03,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:03,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:03,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:03,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:03,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 01:58:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:03,823 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:03,930 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:03,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 01:58:03,963 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 01:58:03,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:58:03 ImpRootNode [2024-11-25 01:58:03,996 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:58:03,997 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:58:03,997 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:58:03,998 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:58:03,999 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:03" (3/4) ... [2024-11-25 01:58:04,003 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 01:58:04,004 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:58:04,005 INFO L158 Benchmark]: Toolchain (without parser) took 3401.64ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 29.3MB in the end (delta: 27.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-25 01:58:04,005 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:04,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1883.56ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 52.8MB in the end (delta: 4.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-25 01:58:04,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.78ms. Allocated memory is still 83.9MB. Free memory was 52.8MB in the beginning and 50.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:04,006 INFO L158 Benchmark]: Boogie Preprocessor took 37.08ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 48.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:04,006 INFO L158 Benchmark]: RCFGBuilder took 626.36ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 32.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:58:04,011 INFO L158 Benchmark]: CodeCheck took 762.90ms. Allocated memory is still 83.9MB. Free memory was 32.7MB in the beginning and 29.7MB in the end (delta: 3.0MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2024-11-25 01:58:04,011 INFO L158 Benchmark]: Witness Printer took 6.93ms. Allocated memory is still 83.9MB. Free memory was 29.7MB in the beginning and 29.3MB in the end (delta: 430.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:04,013 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 19 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 76 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, 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 CWE191_Integer_Underflow__int_fgets_multiply_13_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 GLOBAL_CONST_FIVE==5 [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 GLOBAL_CONST_FIVE==5 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] [L1568] COND TRUE data < 0 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] 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 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1883.56ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 52.8MB in the end (delta: 4.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.78ms. Allocated memory is still 83.9MB. Free memory was 52.8MB in the beginning and 50.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.08ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 48.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 626.36ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 32.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 762.90ms. Allocated memory is still 83.9MB. Free memory was 32.7MB in the beginning and 29.7MB in the end (delta: 3.0MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 6.93ms. Allocated memory is still 83.9MB. Free memory was 29.7MB in the beginning and 29.3MB in the end (delta: 430.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 01:58:04,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e9ed9a-4d63-489b-be76-a8b418dcc406/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