./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_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_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/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_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/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_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/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 b43468da60ff5fce2aa9e5ce5cae0002bb858d701a95629c3b5ac51615f774f7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:11:33,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:11:33,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:11:33,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:11:33,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:11:33,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:11:33,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:11:33,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:11:33,568 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:11:33,569 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:11:33,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:11:33,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:11:33,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:11:33,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:11:33,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:11:33,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:11:33,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:11:33,574 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:11:33,574 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:11:33,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:11:33,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:11:33,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:11:33,579 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:11:33,579 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:11:33,579 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:11:33,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:11:33,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:11:33,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:11:33,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:11:33,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:11:33,581 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:11:33,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:11:33,581 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_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b43468da60ff5fce2aa9e5ce5cae0002bb858d701a95629c3b5ac51615f774f7 [2024-11-09 00:11:33,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:11:33,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:11:33,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:11:33,900 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:11:33,901 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:11:33,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_bad.i Unable to find full path for "g++" [2024-11-09 00:11:35,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:11:36,247 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:11:36,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_bad.i [2024-11-09 00:11:36,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/data/8f47fa2d2/2ce887905d92498f9cd507ad2afb2a67/FLAG4c0cb2246 [2024-11-09 00:11:36,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/data/8f47fa2d2/2ce887905d92498f9cd507ad2afb2a67 [2024-11-09 00:11:36,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:11:36,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:11:36,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:11:36,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:11:36,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:11:36,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:11:36" (1/1) ... [2024-11-09 00:11:36,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b45e965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:36, skipping insertion in model container [2024-11-09 00:11:36,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:11:36" (1/1) ... [2024-11-09 00:11:36,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:11:37,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:11:37,697 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:11:37,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:11:38,023 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:11:38,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:38 WrapperNode [2024-11-09 00:11:38,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:11:38,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:11:38,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:11:38,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:11:38,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:38" (1/1) ... [2024-11-09 00:11:38,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:38" (1/1) ... [2024-11-09 00:11:38,097 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-09 00:11:38,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:11:38,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:11:38,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:11:38,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:11:38,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:38" (1/1) ... [2024-11-09 00:11:38,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:38" (1/1) ... [2024-11-09 00:11:38,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:38" (1/1) ... [2024-11-09 00:11:38,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:38" (1/1) ... [2024-11-09 00:11:38,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:38" (1/1) ... [2024-11-09 00:11:38,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:38" (1/1) ... [2024-11-09 00:11:38,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:38" (1/1) ... [2024-11-09 00:11:38,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:38" (1/1) ... [2024-11-09 00:11:38,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:11:38,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:11:38,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:11:38,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:11:38,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:38" (1/1) ... [2024-11-09 00:11:38,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:11:38,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:11:38,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:11:38,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:11:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:11:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:11:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:11:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:11:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:11:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:11:38,351 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:11:38,353 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:11:38,482 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 00:11:38,483 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:11:38,523 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:11:38,523 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:11:38,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:38 BoogieIcfgContainer [2024-11-09 00:11:38,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:11:38,525 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:11:38,525 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:11:38,536 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:11:38,537 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:38" (1/1) ... [2024-11-09 00:11:38,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:11:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-09 00:11:38,601 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-09 00:11:38,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:11:38,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:38,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:38,829 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 00:11:38,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-09 00:11:38,851 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-09 00:11:38,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:11:38,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:38,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:11:38,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:11:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:11:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:11:39,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:11:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:11:39,075 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:11:39,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:11:39 ImpRootNode [2024-11-09 00:11:39,106 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:11:39,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:11:39,106 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:11:39,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:11:39,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:38" (3/4) ... [2024-11-09 00:11:39,110 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:11:39,111 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:11:39,112 INFO L158 Benchmark]: Toolchain (without parser) took 2613.03ms. Allocated memory was 136.3MB in the beginning and 228.6MB in the end (delta: 92.3MB). Free memory was 94.8MB in the beginning and 130.4MB in the end (delta: -35.6MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-09 00:11:39,113 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:11:39,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1523.86ms. Allocated memory was 136.3MB in the beginning and 228.6MB in the end (delta: 92.3MB). Free memory was 94.6MB in the beginning and 175.8MB in the end (delta: -81.3MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2024-11-09 00:11:39,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.11ms. Allocated memory is still 228.6MB. Free memory was 175.8MB in the beginning and 173.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:11:39,115 INFO L158 Benchmark]: Boogie Preprocessor took 28.89ms. Allocated memory is still 228.6MB. Free memory was 173.7MB in the beginning and 171.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:11:39,116 INFO L158 Benchmark]: RCFGBuilder took 396.06ms. Allocated memory is still 228.6MB. Free memory was 171.6MB in the beginning and 157.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:11:39,116 INFO L158 Benchmark]: CodeCheck took 580.65ms. Allocated memory is still 228.6MB. Free memory was 155.9MB in the beginning and 130.4MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 00:11:39,117 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 228.6MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:11:39,120 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 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, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 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, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 1558, overapproximation of large string literal at line 1578, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fgets_predec_02_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1569] --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 0.30ms. Allocated memory is still 136.3MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1523.86ms. Allocated memory was 136.3MB in the beginning and 228.6MB in the end (delta: 92.3MB). Free memory was 94.6MB in the beginning and 175.8MB in the end (delta: -81.3MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.11ms. Allocated memory is still 228.6MB. Free memory was 175.8MB in the beginning and 173.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.89ms. Allocated memory is still 228.6MB. Free memory was 173.7MB in the beginning and 171.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.06ms. Allocated memory is still 228.6MB. Free memory was 171.6MB in the beginning and 157.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 580.65ms. Allocated memory is still 228.6MB. Free memory was 155.9MB in the beginning and 130.4MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 228.6MB. Free memory is still 130.4MB. 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 00:11:39,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/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_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/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_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/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_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/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 b43468da60ff5fce2aa9e5ce5cae0002bb858d701a95629c3b5ac51615f774f7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:11:41,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:11:41,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:11:41,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:11:41,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:11:41,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:11:41,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:11:41,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:11:41,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:11:41,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:11:41,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:11:41,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:11:41,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:11:41,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:11:41,776 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:11:41,777 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:11:41,777 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:11:41,777 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:11:41,778 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:11:41,778 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:11:41,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:11:41,779 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:11:41,779 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:11:41,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:11:41,780 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:11:41,780 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:41,781 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:11:41,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:11:41,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:11:41,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:11:41,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:11:41,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:11:41,783 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:11:41,783 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:41,784 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:11:41,784 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_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b43468da60ff5fce2aa9e5ce5cae0002bb858d701a95629c3b5ac51615f774f7 [2024-11-09 00:11:42,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:11:42,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:11:42,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:11:42,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:11:42,243 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:11:42,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_bad.i Unable to find full path for "g++" [2024-11-09 00:11:44,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:11:44,717 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:11:44,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_02_bad.i [2024-11-09 00:11:44,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/data/853730067/b19b5383f65a434c8b961a853d24f4ab/FLAG6bd135c17 [2024-11-09 00:11:44,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/data/853730067/b19b5383f65a434c8b961a853d24f4ab [2024-11-09 00:11:44,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:11:44,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:11:44,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:11:44,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:11:44,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:11:44,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:11:44" (1/1) ... [2024-11-09 00:11:44,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36125fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:44, skipping insertion in model container [2024-11-09 00:11:44,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:11:44" (1/1) ... [2024-11-09 00:11:44,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:11:45,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:11:45,955 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:11:46,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:11:46,307 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:11:46,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:46 WrapperNode [2024-11-09 00:11:46,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:11:46,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:11:46,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:11:46,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:11:46,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:46" (1/1) ... [2024-11-09 00:11:46,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:46" (1/1) ... [2024-11-09 00:11:46,393 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-09 00:11:46,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:11:46,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:11:46,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:11:46,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:11:46,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:46" (1/1) ... [2024-11-09 00:11:46,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:46" (1/1) ... [2024-11-09 00:11:46,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:46" (1/1) ... [2024-11-09 00:11:46,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:46" (1/1) ... [2024-11-09 00:11:46,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:46" (1/1) ... [2024-11-09 00:11:46,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:46" (1/1) ... [2024-11-09 00:11:46,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:46" (1/1) ... [2024-11-09 00:11:46,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:46" (1/1) ... [2024-11-09 00:11:46,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:11:46,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:11:46,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:11:46,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:11:46,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:46" (1/1) ... [2024-11-09 00:11:46,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:11:46,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:11:46,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:11:46,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:11:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:11:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:11:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:11:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:11:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:11:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:11:46,677 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:11:46,679 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:11:46,902 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-09 00:11:46,902 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:11:46,963 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:11:46,963 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:11:46,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:46 BoogieIcfgContainer [2024-11-09 00:11:46,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:11:46,965 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:11:46,965 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:11:46,975 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:11:46,975 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:46" (1/1) ... [2024-11-09 00:11:46,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:11:47,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:47,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-09 00:11:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-09 00:11:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:11:47,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:47,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:47,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:47,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:47,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:11:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:47,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:47,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:11:47,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:47,273 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 00:11:47,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:11:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-09 00:11:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-09 00:11:47,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:11:47,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:47,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:47,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:47,309 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:47,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:11:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:11:47,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:11:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:11:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:11:47,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:11:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:11:47,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:47,692 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:11:47,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:11:47 ImpRootNode [2024-11-09 00:11:47,724 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:11:47,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:11:47,725 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:11:47,725 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:11:47,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:46" (3/4) ... [2024-11-09 00:11:47,729 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:11:47,730 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:11:47,731 INFO L158 Benchmark]: Toolchain (without parser) took 2911.69ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.2MB in the beginning and 33.8MB in the end (delta: 11.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-11-09 00:11:47,732 INFO L158 Benchmark]: CDTParser took 1.62ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:11:47,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1487.45ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.0MB in the beginning and 55.8MB in the end (delta: -10.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-09 00:11:47,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.06ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 52.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:11:47,735 INFO L158 Benchmark]: Boogie Preprocessor took 47.61ms. Allocated memory is still 94.4MB. Free memory was 52.5MB in the beginning and 50.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:11:47,736 INFO L158 Benchmark]: RCFGBuilder took 519.74ms. Allocated memory is still 94.4MB. Free memory was 50.5MB in the beginning and 59.4MB in the end (delta: -8.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-09 00:11:47,737 INFO L158 Benchmark]: CodeCheck took 759.26ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 34.1MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 00:11:47,751 INFO L158 Benchmark]: Witness Printer took 5.46ms. Allocated memory is still 94.4MB. Free memory was 34.1MB in the beginning and 33.8MB in the end (delta: 251.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:11:47,755 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 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, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 52 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, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 1558, overapproximation of large string literal at line 1578, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fgets_predec_02_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1569] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1487.45ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.0MB in the beginning and 55.8MB in the end (delta: -10.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.06ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 52.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.61ms. Allocated memory is still 94.4MB. Free memory was 52.5MB in the beginning and 50.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.74ms. Allocated memory is still 94.4MB. Free memory was 50.5MB in the beginning and 59.4MB in the end (delta: -8.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * CodeCheck took 759.26ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 34.1MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.46ms. Allocated memory is still 94.4MB. Free memory was 34.1MB in the beginning and 33.8MB in the end (delta: 251.3kB). 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 00:11:47,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330dbe5d-33ad-4ee7-9543-a8bf58bd54d1/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