./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/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_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/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_319af64f-62f2-4a0e-ab73-919f65828ff8/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 eda12160154353cf185ccbc509ca51f05ac56926c1784c68cf31f517bec05989 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:23:46,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:23:46,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:23:46,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:23:46,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:23:46,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:23:46,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:23:46,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:23:46,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:23:46,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:23:46,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:23:46,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:23:46,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:23:46,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:23:46,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:23:46,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:23:46,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:23:46,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:23:46,647 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:23:46,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:23:46,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:23:46,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:23:46,653 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:23:46,653 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:23:46,653 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:23:46,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:23:46,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:46,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:23:46,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:23:46,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:23:46,656 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:23:46,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:23:46,656 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_319af64f-62f2-4a0e-ab73-919f65828ff8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eda12160154353cf185ccbc509ca51f05ac56926c1784c68cf31f517bec05989 [2024-11-08 22:23:46,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:23:47,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:23:47,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:23:47,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:23:47,008 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:23:47,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_42_bad.i Unable to find full path for "g++" [2024-11-08 22:23:49,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:23:49,555 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:23:49,558 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_42_bad.i [2024-11-08 22:23:49,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/data/3bbbc7ac7/4fdc2b553b144a8b951e9701888ea2b6/FLAGb59ffc508 [2024-11-08 22:23:49,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/data/3bbbc7ac7/4fdc2b553b144a8b951e9701888ea2b6 [2024-11-08 22:23:49,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:23:49,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:23:49,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:49,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:23:49,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:23:49,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:49" (1/1) ... [2024-11-08 22:23:49,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6ef6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:49, skipping insertion in model container [2024-11-08 22:23:49,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:49" (1/1) ... [2024-11-08 22:23:49,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:23:50,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:50,988 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:23:51,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:51,286 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:23:51,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51 WrapperNode [2024-11-08 22:23:51,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:51,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:51,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:23:51,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:23:51,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,370 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-08 22:23:51,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:51,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:23:51,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:23:51,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:23:51,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:23:51,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:23:51,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:23:51,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:23:51,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:51,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:23:51,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:23:51,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:23:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:23:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:23:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:23:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:23:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:23:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:23:51,645 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:23:51,648 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:23:51,780 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 22:23:51,780 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:23:51,829 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:23:51,829 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:23:51,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:51 BoogieIcfgContainer [2024-11-08 22:23:51,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:23:51,831 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:23:51,831 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:23:51,842 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:23:51,842 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:51" (1/1) ... [2024-11-08 22:23:51,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:23:51,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 22:23:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:23:51,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:23:51,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:51,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:52,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:52,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 22:23:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 22:23:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:23:52,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:52,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:52,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:52,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:52,626 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:23:52,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:23:52 ImpRootNode [2024-11-08 22:23:52,672 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:23:52,673 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:23:52,673 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:23:52,673 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:23:52,674 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:51" (3/4) ... [2024-11-08 22:23:52,679 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:23:52,680 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:23:52,681 INFO L158 Benchmark]: Toolchain (without parser) took 3073.90ms. Allocated memory is still 134.2MB. Free memory was 92.1MB in the beginning and 73.0MB in the end (delta: 19.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-08 22:23:52,682 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:23:52,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1678.85ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 71.7MB in the end (delta: 20.1MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-11-08 22:23:52,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.44ms. Allocated memory is still 134.2MB. Free memory was 71.7MB in the beginning and 69.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:52,686 INFO L158 Benchmark]: Boogie Preprocessor took 40.10ms. Allocated memory is still 134.2MB. Free memory was 69.3MB in the beginning and 67.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:52,686 INFO L158 Benchmark]: RCFGBuilder took 417.97ms. Allocated memory is still 134.2MB. Free memory was 67.5MB in the beginning and 51.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:23:52,687 INFO L158 Benchmark]: CodeCheck took 841.17ms. Allocated memory is still 134.2MB. Free memory was 51.9MB in the beginning and 73.8MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:23:52,688 INFO L158 Benchmark]: Witness Printer took 7.72ms. Allocated memory is still 134.2MB. Free memory was 73.8MB in the beginning and 73.0MB in the end (delta: 807.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:23:52,694 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, 19 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, 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, 53 GetRequests, 51 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1552. 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_add_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] 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] [L1552] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] data = atoi(inputBuffer) [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1569] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1678.85ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 71.7MB in the end (delta: 20.1MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.44ms. Allocated memory is still 134.2MB. Free memory was 71.7MB in the beginning and 69.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.10ms. Allocated memory is still 134.2MB. Free memory was 69.3MB in the beginning and 67.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.97ms. Allocated memory is still 134.2MB. Free memory was 67.5MB in the beginning and 51.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 841.17ms. Allocated memory is still 134.2MB. Free memory was 51.9MB in the beginning and 73.8MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.72ms. Allocated memory is still 134.2MB. Free memory was 73.8MB in the beginning and 73.0MB in the end (delta: 807.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:23:52,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/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_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/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_319af64f-62f2-4a0e-ab73-919f65828ff8/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 eda12160154353cf185ccbc509ca51f05ac56926c1784c68cf31f517bec05989 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:23:55,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:23:55,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:23:55,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:23:55,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:23:55,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:23:55,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:23:55,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:23:55,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:23:55,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:23:55,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:23:55,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:23:55,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:23:55,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:23:55,523 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:23:55,524 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:23:55,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:23:55,525 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:23:55,525 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:23:55,526 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:23:55,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:23:55,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:23:55,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:23:55,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:23:55,532 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:23:55,533 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:55,533 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:23:55,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:23:55,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:55,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:23:55,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:23:55,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:23:55,536 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:23:55,536 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:55,536 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:23:55,537 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_319af64f-62f2-4a0e-ab73-919f65828ff8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eda12160154353cf185ccbc509ca51f05ac56926c1784c68cf31f517bec05989 [2024-11-08 22:23:55,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:23:55,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:23:55,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:23:55,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:23:55,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:23:55,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_42_bad.i Unable to find full path for "g++" [2024-11-08 22:23:58,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:23:58,727 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:23:58,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_42_bad.i [2024-11-08 22:23:58,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/data/5f53beedd/dbf9a7ac4a574d93bcc27fd899bed9ed/FLAGc4700b1f8 [2024-11-08 22:23:58,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/data/5f53beedd/dbf9a7ac4a574d93bcc27fd899bed9ed [2024-11-08 22:23:58,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:23:58,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:23:58,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:58,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:23:58,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:23:58,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:58" (1/1) ... [2024-11-08 22:23:58,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613e332b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:58, skipping insertion in model container [2024-11-08 22:23:58,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:58" (1/1) ... [2024-11-08 22:23:58,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:24:00,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:00,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:24:00,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:00,379 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:24:00,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:00 WrapperNode [2024-11-08 22:24:00,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:00,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:00,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:24:00,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:24:00,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:00" (1/1) ... [2024-11-08 22:24:00,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:00" (1/1) ... [2024-11-08 22:24:00,442 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2024-11-08 22:24:00,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:00,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:24:00,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:24:00,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:24:00,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:00" (1/1) ... [2024-11-08 22:24:00,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:00" (1/1) ... [2024-11-08 22:24:00,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:00" (1/1) ... [2024-11-08 22:24:00,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:00" (1/1) ... [2024-11-08 22:24:00,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:00" (1/1) ... [2024-11-08 22:24:00,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:00" (1/1) ... [2024-11-08 22:24:00,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:00" (1/1) ... [2024-11-08 22:24:00,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:00" (1/1) ... [2024-11-08 22:24:00,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:24:00,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:24:00,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:24:00,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:24:00,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:00" (1/1) ... [2024-11-08 22:24:00,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:00,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:24:00,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:24:00,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:24:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:24:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:24:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:24:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:24:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:24:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:24:00,756 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:24:00,759 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:24:00,954 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 22:24:00,954 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:24:01,054 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:24:01,054 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:24:01,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:01 BoogieIcfgContainer [2024-11-08 22:24:01,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:24:01,056 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:24:01,056 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:24:01,068 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:24:01,068 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:01" (1/1) ... [2024-11-08 22:24:01,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:24:01,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:01,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 22:24:01,139 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:24:01,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:24:01,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:01,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:01,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:01,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:01,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:24:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:01,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:01,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:24:01,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:01,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:24:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 22:24:01,505 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 22:24:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:24:01,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:01,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:01,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:01,510 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:01,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:24:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:24:01,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:24:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:24:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:24:01,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:24:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:24:01,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 22:24:01,971 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:24:02,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:24:02 ImpRootNode [2024-11-08 22:24:02,013 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:24:02,014 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:24:02,014 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:24:02,014 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:24:02,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:01" (3/4) ... [2024-11-08 22:24:02,018 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:24:02,019 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:24:02,021 INFO L158 Benchmark]: Toolchain (without parser) took 3232.61ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.4MB in the beginning and 61.8MB in the end (delta: -9.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-08 22:24:02,022 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:24:02,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1590.23ms. Allocated memory is still 79.7MB. Free memory was 52.2MB in the beginning and 49.8MB in the end (delta: 2.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-11-08 22:24:02,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.27ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 46.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:24:02,025 INFO L158 Benchmark]: Boogie Preprocessor took 33.02ms. Allocated memory is still 79.7MB. Free memory was 46.5MB in the beginning and 44.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:24:02,026 INFO L158 Benchmark]: RCFGBuilder took 578.18ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 44.5MB in the beginning and 65.3MB in the end (delta: -20.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-08 22:24:02,027 INFO L158 Benchmark]: CodeCheck took 957.22ms. Allocated memory is still 96.5MB. Free memory was 65.3MB in the beginning and 61.8MB in the end (delta: 3.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-11-08 22:24:02,027 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 96.5MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:24:02,032 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, 11 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, 11 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, 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1552. 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_add_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] 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] [L1552] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] data = atoi(inputBuffer) [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1569] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1590.23ms. Allocated memory is still 79.7MB. Free memory was 52.2MB in the beginning and 49.8MB in the end (delta: 2.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.27ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 46.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.02ms. Allocated memory is still 79.7MB. Free memory was 46.5MB in the beginning and 44.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 578.18ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 44.5MB in the beginning and 65.3MB in the end (delta: -20.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * CodeCheck took 957.22ms. Allocated memory is still 96.5MB. Free memory was 65.3MB in the beginning and 61.8MB in the end (delta: 3.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 96.5MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:24:02,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319af64f-62f2-4a0e-ab73-919f65828ff8/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