./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk --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 97c5f24e2fd5359ce9a5d3b8df5abc921b8ab1b4a463a138e7bad7d8c7dc4b04 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:25:40,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:25:40,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:25:40,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:25:40,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:25:40,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:25:40,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:25:40,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:25:40,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:25:40,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:25:40,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:25:40,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:25:40,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:25:40,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:25:40,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:25:40,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:25:40,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:25:40,515 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:25:40,515 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:25:40,515 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:25:40,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:25:40,517 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:25:40,517 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:25:40,517 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:25:40,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:25:40,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:25:40,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:40,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:25:40,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:25:40,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:25:40,525 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:25:40,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:25:40,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97c5f24e2fd5359ce9a5d3b8df5abc921b8ab1b4a463a138e7bad7d8c7dc4b04 [2024-11-09 00:25:40,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:25:40,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:25:40,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:25:40,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:25:40,919 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:25:40,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_31_bad.i Unable to find full path for "g++" [2024-11-09 00:25:43,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:25:43,781 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:25:43,784 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_31_bad.i [2024-11-09 00:25:43,821 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/data/41a00259e/285909c20392424894f7829853cd58a9/FLAG3a68aaec1 [2024-11-09 00:25:43,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/data/41a00259e/285909c20392424894f7829853cd58a9 [2024-11-09 00:25:43,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:25:43,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:25:43,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:43,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:25:43,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:25:43,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:43" (1/1) ... [2024-11-09 00:25:43,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a9ae79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:43, skipping insertion in model container [2024-11-09 00:25:43,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:43" (1/1) ... [2024-11-09 00:25:43,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:25:44,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:44,968 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:25:45,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:45,277 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:25:45,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:45 WrapperNode [2024-11-09 00:25:45,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:45,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:45,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:25:45,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:25:45,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:45" (1/1) ... [2024-11-09 00:25:45,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:45" (1/1) ... [2024-11-09 00:25:45,352 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-09 00:25:45,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:45,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:25:45,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:25:45,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:25:45,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:45" (1/1) ... [2024-11-09 00:25:45,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:45" (1/1) ... [2024-11-09 00:25:45,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:45" (1/1) ... [2024-11-09 00:25:45,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:45" (1/1) ... [2024-11-09 00:25:45,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:45" (1/1) ... [2024-11-09 00:25:45,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:45" (1/1) ... [2024-11-09 00:25:45,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:45" (1/1) ... [2024-11-09 00:25:45,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:45" (1/1) ... [2024-11-09 00:25:45,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:25:45,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:25:45,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:25:45,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:25:45,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:45" (1/1) ... [2024-11-09 00:25:45,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:45,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:25:45,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:25:45,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:25:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:25:45,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:25:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:25:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:25:45,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:25:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:25:45,639 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:25:45,642 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:25:45,769 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-09 00:25:45,770 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:25:45,807 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:25:45,807 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:25:45,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:45 BoogieIcfgContainer [2024-11-09 00:25:45,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:25:45,809 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:25:45,809 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:25:45,819 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:25:45,819 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:45" (1/1) ... [2024-11-09 00:25:45,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:25:45,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:25:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:25:45,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:25:45,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:45,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:25:46,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:25:46,485 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:25:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:25:46,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:46,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:25:46,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:25:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:25:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:25:46,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:25:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:25:46,680 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:25:46,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:25:46 ImpRootNode [2024-11-09 00:25:46,724 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:25:46,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:25:46,726 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:25:46,727 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:25:46,727 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:45" (3/4) ... [2024-11-09 00:25:46,730 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:25:46,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:25:46,732 INFO L158 Benchmark]: Toolchain (without parser) took 2879.68ms. Allocated memory is still 172.0MB. Free memory was 128.5MB in the beginning and 123.8MB in the end (delta: 4.6MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-11-09 00:25:46,732 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 132.1MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:46,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1422.65ms. Allocated memory is still 172.0MB. Free memory was 128.5MB in the beginning and 108.7MB in the end (delta: 19.8MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2024-11-09 00:25:46,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.51ms. Allocated memory is still 172.0MB. Free memory was 108.7MB in the beginning and 106.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:25:46,734 INFO L158 Benchmark]: Boogie Preprocessor took 36.05ms. Allocated memory is still 172.0MB. Free memory was 106.6MB in the beginning and 104.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:25:46,737 INFO L158 Benchmark]: RCFGBuilder took 417.95ms. Allocated memory is still 172.0MB. Free memory was 104.5MB in the beginning and 89.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:25:46,738 INFO L158 Benchmark]: CodeCheck took 915.87ms. Allocated memory is still 172.0MB. Free memory was 89.8MB in the beginning and 123.8MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:46,738 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 172.0MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:46,743 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s 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 - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1554. 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_postinc_31_bad() [L1550] int data; [L1551] data = 0 [L1553] 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] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; [L1567] 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 0.41ms. Allocated memory is still 132.1MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1422.65ms. Allocated memory is still 172.0MB. Free memory was 128.5MB in the beginning and 108.7MB in the end (delta: 19.8MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.51ms. Allocated memory is still 172.0MB. Free memory was 108.7MB in the beginning and 106.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.05ms. Allocated memory is still 172.0MB. Free memory was 106.6MB in the beginning and 104.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.95ms. Allocated memory is still 172.0MB. Free memory was 104.5MB in the beginning and 89.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 915.87ms. Allocated memory is still 172.0MB. Free memory was 89.8MB in the beginning and 123.8MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 172.0MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:25:46,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk --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 97c5f24e2fd5359ce9a5d3b8df5abc921b8ab1b4a463a138e7bad7d8c7dc4b04 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:25:49,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:25:49,528 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:25:49,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:25:49,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:25:49,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:25:49,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:25:49,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:25:49,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:25:49,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:25:49,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:25:49,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:25:49,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:25:49,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:25:49,587 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:25:49,587 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:25:49,588 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:25:49,588 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:25:49,589 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:25:49,589 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:25:49,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:25:49,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:25:49,594 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:25:49,595 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:25:49,595 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:25:49,595 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:49,596 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:25:49,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:25:49,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:49,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:25:49,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:25:49,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:25:49,599 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:25:49,600 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:49,600 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:25:49,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97c5f24e2fd5359ce9a5d3b8df5abc921b8ab1b4a463a138e7bad7d8c7dc4b04 [2024-11-09 00:25:50,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:25:50,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:25:50,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:25:50,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:25:50,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:25:50,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_31_bad.i Unable to find full path for "g++" [2024-11-09 00:25:52,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:25:52,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:25:52,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_31_bad.i [2024-11-09 00:25:52,821 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/data/a7fd642f2/b3ec017448d446869541d08e4a073549/FLAG8c1ce5b0e [2024-11-09 00:25:52,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/data/a7fd642f2/b3ec017448d446869541d08e4a073549 [2024-11-09 00:25:52,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:25:52,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:25:52,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:52,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:25:52,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:25:52,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:52" (1/1) ... [2024-11-09 00:25:52,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28da077b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:52, skipping insertion in model container [2024-11-09 00:25:52,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:52" (1/1) ... [2024-11-09 00:25:52,964 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:25:54,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:54,534 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:25:54,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:54,913 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:25:54,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:54 WrapperNode [2024-11-09 00:25:54,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:54,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:54,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:25:54,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:25:54,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:54" (1/1) ... [2024-11-09 00:25:54,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:54" (1/1) ... [2024-11-09 00:25:55,011 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-09 00:25:55,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:55,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:25:55,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:25:55,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:25:55,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:54" (1/1) ... [2024-11-09 00:25:55,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:54" (1/1) ... [2024-11-09 00:25:55,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:54" (1/1) ... [2024-11-09 00:25:55,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:54" (1/1) ... [2024-11-09 00:25:55,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:54" (1/1) ... [2024-11-09 00:25:55,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:54" (1/1) ... [2024-11-09 00:25:55,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:54" (1/1) ... [2024-11-09 00:25:55,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:54" (1/1) ... [2024-11-09 00:25:55,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:25:55,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:25:55,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:25:55,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:25:55,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:54" (1/1) ... [2024-11-09 00:25:55,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:55,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:25:55,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:25:55,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:25:55,141 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:25:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:25:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:25:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:25:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:25:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:25:55,413 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:25:55,417 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:25:55,622 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 00:25:55,622 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:25:55,712 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:25:55,712 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:25:55,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:55 BoogieIcfgContainer [2024-11-09 00:25:55,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:25:55,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:25:55,714 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:25:55,727 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:25:55,728 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:55" (1/1) ... [2024-11-09 00:25:55,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:25:55,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:25:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:25:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:25:55,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:55,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:55,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:55,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:55,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:25:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:56,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:56,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:25:56,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:56,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:25:56,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-09 00:25:56,187 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-09 00:25:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:25:56,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:56,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:56,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:56,193 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:56,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:25:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:25:56,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:25:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:25:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:25:56,626 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:25:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:25:56,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:25:56,695 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:25:56,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:25:56 ImpRootNode [2024-11-09 00:25:56,736 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:25:56,738 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:25:56,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:25:56,738 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:25:56,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:55" (3/4) ... [2024-11-09 00:25:56,742 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:25:56,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:25:56,746 INFO L158 Benchmark]: Toolchain (without parser) took 3890.97ms. Allocated memory was 75.5MB in the beginning and 121.6MB in the end (delta: 46.1MB). Free memory was 48.3MB in the beginning and 87.1MB in the end (delta: -38.8MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-09 00:25:56,747 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:56,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2057.11ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 48.1MB in the beginning and 63.2MB in the end (delta: -15.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-09 00:25:56,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.57ms. Allocated memory is still 96.5MB. Free memory was 63.2MB in the beginning and 60.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:25:56,749 INFO L158 Benchmark]: Boogie Preprocessor took 41.17ms. Allocated memory is still 96.5MB. Free memory was 60.1MB in the beginning and 58.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:25:56,751 INFO L158 Benchmark]: RCFGBuilder took 656.61ms. Allocated memory is still 96.5MB. Free memory was 58.0MB in the beginning and 66.1MB in the end (delta: -8.1MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-09 00:25:56,752 INFO L158 Benchmark]: CodeCheck took 1022.76ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 66.1MB in the beginning and 87.1MB in the end (delta: -21.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-09 00:25:56,753 INFO L158 Benchmark]: Witness Printer took 6.43ms. Allocated memory is still 121.6MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:56,758 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 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 - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1554. 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_postinc_31_bad() [L1550] int data; [L1551] data = 0 [L1553] 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] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; [L1567] 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 0.59ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2057.11ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 48.1MB in the beginning and 63.2MB in the end (delta: -15.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.57ms. Allocated memory is still 96.5MB. Free memory was 63.2MB in the beginning and 60.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.17ms. Allocated memory is still 96.5MB. Free memory was 60.1MB in the beginning and 58.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.61ms. Allocated memory is still 96.5MB. Free memory was 58.0MB in the beginning and 66.1MB in the end (delta: -8.1MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * CodeCheck took 1022.76ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 66.1MB in the beginning and 87.1MB in the end (delta: -21.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 6.43ms. Allocated memory is still 121.6MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:25:56,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f870484-509b-4eaa-be27-7f5f29fb0f66/bin/ukojak-verify-ImItNfHLgk/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