./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_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_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/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_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/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_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/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 398e601a7b05490ae23a95dbeb705914d8058aa3c83525521928baa5b8170348 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:20:15,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:20:15,096 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:20:15,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:20:15,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:20:15,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:20:15,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:20:15,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:20:15,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:20:15,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:20:15,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:20:15,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:20:15,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:20:15,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:20:15,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:20:15,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:20:15,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:20:15,128 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:20:15,128 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:20:15,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:20:15,128 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:20:15,128 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:20:15,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:20:15,129 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:20:15,129 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:20:15,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:20:15,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:20:15,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:20:15,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:20:15,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:20:15,132 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:20:15,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:20:15,132 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_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/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 -> 398e601a7b05490ae23a95dbeb705914d8058aa3c83525521928baa5b8170348 [2024-11-25 05:20:15,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:20:15,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:20:15,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:20:15,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:20:15,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:20:15,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i [2024-11-25 05:20:16,049 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/data/777875e74/1d7e7d1a1f4149a0994937b6181b1ef5/FLAG1fc4cd05c [2024-11-25 05:20:20,968 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:20:20,969 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i [2024-11-25 05:20:21,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/data/777875e74/1d7e7d1a1f4149a0994937b6181b1ef5/FLAG1fc4cd05c [2024-11-25 05:20:21,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/data/777875e74/1d7e7d1a1f4149a0994937b6181b1ef5 [2024-11-25 05:20:21,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:20:21,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:20:21,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:20:21,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:20:21,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:20:21,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:21" (1/1) ... [2024-11-25 05:20:21,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790bf9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21, skipping insertion in model container [2024-11-25 05:20:21,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:21" (1/1) ... [2024-11-25 05:20:21,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:20:22,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:20:22,110 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:20:22,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:20:22,407 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:20:22,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22 WrapperNode [2024-11-25 05:20:22,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:20:22,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:20:22,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:20:22,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:20:22,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,468 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-25 05:20:22,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:20:22,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:20:22,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:20:22,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:20:22,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,488 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:20:22,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:20:22,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:20:22,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:20:22,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:20:22,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:20:22,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:20:22,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:20:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 05:20:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 05:20:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:20:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:20:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:20:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:20:22,702 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:20:22,704 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:20:22,853 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 05:20:22,853 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:20:22,906 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:20:22,910 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:20:22,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:22 BoogieIcfgContainer [2024-11-25 05:20:22,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:20:22,911 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:20:22,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:20:22,924 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:20:22,924 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:22" (1/1) ... [2024-11-25 05:20:22,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:20:22,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 05:20:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 05:20:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:20:22,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:22,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:23,263 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 05:20:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:23,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 05:20:23,325 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 05:20:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:20:23,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:23,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:20:23,380 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:20:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:20:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:20:23,467 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:20:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:20:23,511 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 05:20:23,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:20:23 ImpRootNode [2024-11-25 05:20:23,550 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:20:23,551 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:20:23,551 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:20:23,552 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:20:23,552 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:22" (3/4) ... [2024-11-25 05:20:23,554 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:20:23,555 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:20:23,556 INFO L158 Benchmark]: Toolchain (without parser) took 2517.38ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 42.6MB in the end (delta: 49.1MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-25 05:20:23,556 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:23,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1369.68ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 82.5MB in the end (delta: 9.2MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-25 05:20:23,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.92ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 79.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:20:23,557 INFO L158 Benchmark]: Boogie Preprocessor took 27.74ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.2MB in the end (delta: 578.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:23,557 INFO L158 Benchmark]: RCFGBuilder took 413.44ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 65.2MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:20:23,558 INFO L158 Benchmark]: CodeCheck took 638.88ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 43.2MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:20:23,558 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 117.4MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:23,560 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, 15 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, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 53 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1568]: 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); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fgets_preinc_18_bad() [L1550] int data; [L1551] data = 0 [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) [L1568] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1369.68ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 82.5MB in the end (delta: 9.2MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.92ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 79.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.74ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.2MB in the end (delta: 578.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 413.44ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 65.2MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 638.88ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 43.2MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 117.4MB. Free memory is still 42.6MB. 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 05:20:23,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/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_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/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_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/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_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/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 398e601a7b05490ae23a95dbeb705914d8058aa3c83525521928baa5b8170348 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:20:26,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:20:26,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 05:20:26,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:20:26,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:20:26,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:20:26,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:20:26,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:20:26,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:20:26,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:20:26,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:20:26,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:20:26,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:20:26,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:20:26,523 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:20:26,523 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:20:26,523 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:20:26,523 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:20:26,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:20:26,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:20:26,523 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:20:26,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:20:26,523 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:20:26,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:20:26,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:20:26,524 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:20:26,525 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:20:26,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:20:26,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:20:26,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:20:26,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:20:26,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:20:26,527 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:20:26,527 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:20:26,527 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:20:26,527 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_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/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 -> 398e601a7b05490ae23a95dbeb705914d8058aa3c83525521928baa5b8170348 [2024-11-25 05:20:26,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:20:26,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:20:26,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:20:26,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:20:26,894 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:20:26,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i [2024-11-25 05:20:29,842 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/data/07232ae9f/61588fe110004fd7a2b9aed028698cae/FLAG8da461ab2 [2024-11-25 05:20:30,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:20:30,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i [2024-11-25 05:20:30,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/data/07232ae9f/61588fe110004fd7a2b9aed028698cae/FLAG8da461ab2 [2024-11-25 05:20:30,310 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/data/07232ae9f/61588fe110004fd7a2b9aed028698cae [2024-11-25 05:20:30,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:20:30,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:20:30,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:20:30,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:20:30,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:20:30,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:30" (1/1) ... [2024-11-25 05:20:30,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eed2c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:30, skipping insertion in model container [2024-11-25 05:20:30,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:30" (1/1) ... [2024-11-25 05:20:30,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:20:31,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:20:31,428 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:20:31,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:20:31,694 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:20:31,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31 WrapperNode [2024-11-25 05:20:31,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:20:31,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:20:31,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:20:31,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:20:31,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31" (1/1) ... [2024-11-25 05:20:31,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31" (1/1) ... [2024-11-25 05:20:31,745 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-25 05:20:31,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:20:31,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:20:31,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:20:31,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:20:31,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31" (1/1) ... [2024-11-25 05:20:31,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31" (1/1) ... [2024-11-25 05:20:31,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31" (1/1) ... [2024-11-25 05:20:31,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31" (1/1) ... [2024-11-25 05:20:31,769 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31" (1/1) ... [2024-11-25 05:20:31,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31" (1/1) ... [2024-11-25 05:20:31,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31" (1/1) ... [2024-11-25 05:20:31,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31" (1/1) ... [2024-11-25 05:20:31,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31" (1/1) ... [2024-11-25 05:20:31,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:20:31,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:20:31,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:20:31,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:20:31,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:31" (1/1) ... [2024-11-25 05:20:31,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:20:31,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:20:31,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:20:31,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:20:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 05:20:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 05:20:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:20:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:20:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:20:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:20:32,041 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:20:32,043 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:20:32,200 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-25 05:20:32,201 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:20:32,278 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:20:32,278 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:20:32,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:32 BoogieIcfgContainer [2024-11-25 05:20:32,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:20:32,279 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:20:32,280 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:20:32,292 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:20:32,292 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:32" (1/1) ... [2024-11-25 05:20:32,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:20:32,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:32,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 05:20:32,362 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 05:20:32,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:20:32,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:32,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:20:32,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:20:32,375 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:20:32,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:20:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:32,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:20:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:32,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 05:20:32,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:20:32,588 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 05:20:32,592 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:20:32,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:20:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 05:20:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 05:20:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:20:32,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:32,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:20:32,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:20:32,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:20:32,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:20:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:20:32,788 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:20:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:20:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:20:32,910 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:20:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:20:32,947 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 05:20:32,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 05:20:32,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:20:32 ImpRootNode [2024-11-25 05:20:32,986 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:20:32,987 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:20:32,987 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:20:32,988 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:20:32,989 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:32" (3/4) ... [2024-11-25 05:20:32,993 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:20:32,994 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:20:32,996 INFO L158 Benchmark]: Toolchain (without parser) took 2681.56ms. Allocated memory was 83.9MB in the beginning and 142.6MB in the end (delta: 58.7MB). Free memory was 55.8MB in the beginning and 69.8MB in the end (delta: -14.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 05:20:32,999 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 83.9MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:32,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1379.24ms. Allocated memory was 83.9MB in the beginning and 142.6MB in the end (delta: 58.7MB). Free memory was 55.6MB in the beginning and 110.8MB in the end (delta: -55.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-25 05:20:33,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.84ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 107.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:33,000 INFO L158 Benchmark]: Boogie Preprocessor took 32.29ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:33,000 INFO L158 Benchmark]: RCFGBuilder took 500.43ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 90.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:20:33,001 INFO L158 Benchmark]: CodeCheck took 706.67ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 69.8MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:20:33,001 INFO L158 Benchmark]: Witness Printer took 8.31ms. Allocated memory is still 142.6MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:33,006 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, 15 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, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1568]: 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); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fgets_preinc_18_bad() [L1550] int data; [L1551] data = 0 [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) [L1568] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46ms. Allocated memory is still 83.9MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1379.24ms. Allocated memory was 83.9MB in the beginning and 142.6MB in the end (delta: 58.7MB). Free memory was 55.6MB in the beginning and 110.8MB in the end (delta: -55.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.84ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 107.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.29ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 500.43ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 90.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 706.67ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 69.8MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 8.31ms. Allocated memory is still 142.6MB. Free memory is still 69.8MB. 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 05:20:33,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75e6aed-a1bc-4d14-b264-7fcd863aedbe/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