./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_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_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/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_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/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_9373df36-839b-4d8b-b16c-310c4720d32f/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 a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:35:45,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:35:45,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:35:45,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:35:45,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:35:45,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:35:46,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:35:46,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:35:46,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:35:46,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:35:46,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:35:46,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:35:46,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:35:46,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:35:46,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:35:46,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:35:46,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:35:46,006 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:35:46,006 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:35:46,006 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:35:46,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:35:46,007 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:35:46,008 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:35:46,008 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:35:46,009 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:35:46,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:35:46,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:46,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:35:46,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:35:46,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:35:46,011 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:35:46,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:35:46,012 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_9373df36-839b-4d8b-b16c-310c4720d32f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 [2024-11-08 23:35:46,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:35:46,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:35:46,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:35:46,308 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:35:46,310 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:35:46,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i Unable to find full path for "g++" [2024-11-08 23:35:48,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:35:48,702 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:35:48,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2024-11-08 23:35:48,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/data/0afa4658b/65edbeda11aa4326ae3414b67194f2ff/FLAGc6f12f822 [2024-11-08 23:35:48,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/data/0afa4658b/65edbeda11aa4326ae3414b67194f2ff [2024-11-08 23:35:48,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:35:48,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:35:48,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:48,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:35:48,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:35:48,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:48" (1/1) ... [2024-11-08 23:35:48,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385872d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:48, skipping insertion in model container [2024-11-08 23:35:48,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:48" (1/1) ... [2024-11-08 23:35:48,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:35:49,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:49,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:35:50,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:50,205 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:35:50,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:50 WrapperNode [2024-11-08 23:35:50,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:50,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:50,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:35:50,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:35:50,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:50" (1/1) ... [2024-11-08 23:35:50,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:50" (1/1) ... [2024-11-08 23:35:50,260 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 73 [2024-11-08 23:35:50,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:50,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:35:50,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:35:50,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:35:50,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:50" (1/1) ... [2024-11-08 23:35:50,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:50" (1/1) ... [2024-11-08 23:35:50,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:50" (1/1) ... [2024-11-08 23:35:50,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:50" (1/1) ... [2024-11-08 23:35:50,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:50" (1/1) ... [2024-11-08 23:35:50,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:50" (1/1) ... [2024-11-08 23:35:50,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:50" (1/1) ... [2024-11-08 23:35:50,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:50" (1/1) ... [2024-11-08 23:35:50,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:35:50,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:35:50,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:35:50,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:35:50,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:50" (1/1) ... [2024-11-08 23:35:50,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:50,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:35:50,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:35:50,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:35:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:35:50,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:35:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:35:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:35:50,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:35:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:35:50,629 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:35:50,646 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:35:50,804 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-08 23:35:50,804 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:35:50,844 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:35:50,844 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:35:50,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:50 BoogieIcfgContainer [2024-11-08 23:35:50,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:35:50,846 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:35:50,846 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:35:50,857 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:35:50,857 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:50" (1/1) ... [2024-11-08 23:35:50,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:35:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 23:35:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 23:35:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:35:50,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:50,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:51,423 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 23:35:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 23:35:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 23:35:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:35:51,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:51,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:51,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:35:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:51,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:35:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:51,691 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:35:51,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:35:51 ImpRootNode [2024-11-08 23:35:51,726 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:35:51,727 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:35:51,727 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:35:51,727 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:35:51,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:50" (3/4) ... [2024-11-08 23:35:51,731 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:35:51,732 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:35:51,733 INFO L158 Benchmark]: Toolchain (without parser) took 2919.76ms. Allocated memory is still 180.4MB. Free memory was 143.8MB in the beginning and 97.8MB in the end (delta: 46.0MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2024-11-08 23:35:51,734 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:51,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1389.56ms. Allocated memory is still 180.4MB. Free memory was 143.0MB in the beginning and 80.5MB in the end (delta: 62.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-08 23:35:51,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.87ms. Allocated memory is still 180.4MB. Free memory was 80.5MB in the beginning and 77.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:35:51,736 INFO L158 Benchmark]: Boogie Preprocessor took 27.23ms. Allocated memory is still 180.4MB. Free memory was 77.2MB in the beginning and 75.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:51,737 INFO L158 Benchmark]: RCFGBuilder took 556.23ms. Allocated memory is still 180.4MB. Free memory was 75.9MB in the beginning and 137.6MB in the end (delta: -61.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-08 23:35:51,737 INFO L158 Benchmark]: CodeCheck took 880.12ms. Allocated memory is still 180.4MB. Free memory was 137.6MB in the beginning and 97.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 23:35:51,738 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 180.4MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:51,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1578]: 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 1570, 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE190_Integer_Overflow__int_fgets_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_postinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, 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) [L1565] CALL funcPtr(data) [L1578] 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 0.32ms. Allocated memory is still 134.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1389.56ms. Allocated memory is still 180.4MB. Free memory was 143.0MB in the beginning and 80.5MB in the end (delta: 62.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.87ms. Allocated memory is still 180.4MB. Free memory was 80.5MB in the beginning and 77.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.23ms. Allocated memory is still 180.4MB. Free memory was 77.2MB in the beginning and 75.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 556.23ms. Allocated memory is still 180.4MB. Free memory was 75.9MB in the beginning and 137.6MB in the end (delta: -61.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 880.12ms. Allocated memory is still 180.4MB. Free memory was 137.6MB in the beginning and 97.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 180.4MB. Free memory is still 97.8MB. 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 23:35:51,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/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_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/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_9373df36-839b-4d8b-b16c-310c4720d32f/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 a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:35:54,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:35:54,367 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:35:54,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:35:54,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:35:54,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:35:54,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:35:54,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:35:54,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:35:54,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:35:54,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:35:54,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:35:54,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:35:54,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:35:54,416 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:35:54,416 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:35:54,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:35:54,421 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:35:54,421 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:35:54,422 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:35:54,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:35:54,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:35:54,422 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:35:54,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:35:54,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:35:54,423 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:35:54,423 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:35:54,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:35:54,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:54,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:35:54,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:35:54,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:35:54,425 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:35:54,425 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:35:54,425 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:35:54,426 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_9373df36-839b-4d8b-b16c-310c4720d32f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 [2024-11-08 23:35:54,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:35:54,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:35:54,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:35:54,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:35:54,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:35:54,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i Unable to find full path for "g++" [2024-11-08 23:35:56,830 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:35:57,247 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:35:57,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2024-11-08 23:35:57,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/data/148160d00/2d0619d3ecd2463bbe8a8e54f98cd03c/FLAGd01a1d3f7 [2024-11-08 23:35:57,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/data/148160d00/2d0619d3ecd2463bbe8a8e54f98cd03c [2024-11-08 23:35:57,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:35:57,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:35:57,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:57,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:35:57,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:35:57,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:57" (1/1) ... [2024-11-08 23:35:57,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578a4ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:57, skipping insertion in model container [2024-11-08 23:35:57,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:57" (1/1) ... [2024-11-08 23:35:57,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:35:58,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:58,569 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:35:58,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:58,798 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:35:58,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:58 WrapperNode [2024-11-08 23:35:58,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:58,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:58,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:35:58,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:35:58,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:58" (1/1) ... [2024-11-08 23:35:58,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:58" (1/1) ... [2024-11-08 23:35:58,865 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 72 [2024-11-08 23:35:58,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:58,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:35:58,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:35:58,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:35:58,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:58" (1/1) ... [2024-11-08 23:35:58,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:58" (1/1) ... [2024-11-08 23:35:58,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:58" (1/1) ... [2024-11-08 23:35:58,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:58" (1/1) ... [2024-11-08 23:35:58,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:58" (1/1) ... [2024-11-08 23:35:58,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:58" (1/1) ... [2024-11-08 23:35:58,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:58" (1/1) ... [2024-11-08 23:35:58,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:58" (1/1) ... [2024-11-08 23:35:58,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:35:58,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:35:58,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:35:58,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:35:58,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:58" (1/1) ... [2024-11-08 23:35:58,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:58,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:35:58,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:35:58,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:35:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:35:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:35:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:35:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:35:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:35:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:35:59,120 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:35:59,122 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:35:59,321 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 23:35:59,321 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:35:59,394 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:35:59,395 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:35:59,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:59 BoogieIcfgContainer [2024-11-08 23:35:59,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:35:59,397 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:35:59,397 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:35:59,407 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:35:59,407 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:59" (1/1) ... [2024-11-08 23:35:59,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:35:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 23:35:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 23:35:59,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:35:59,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:59,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:35:59,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:35:59,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:35:59,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:35:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:59,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:35:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:59,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:35:59,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:35:59,740 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 23:35:59,743 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:35:59,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:35:59,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 23:35:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 23:35:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:35:59,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:59,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:35:59,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:35:59,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:35:59,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:35:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:59,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:36:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:36:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:36:00,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:36:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:36:00,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:36:00,155 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:36:00,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:36:00 ImpRootNode [2024-11-08 23:36:00,186 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:36:00,186 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:36:00,187 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:36:00,187 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:36:00,187 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:59" (3/4) ... [2024-11-08 23:36:00,190 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:36:00,191 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:36:00,192 INFO L158 Benchmark]: Toolchain (without parser) took 2756.30ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 39.6MB in the beginning and 57.0MB in the end (delta: -17.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-08 23:36:00,193 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:36:00,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1361.31ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 39.4MB in the beginning and 49.2MB in the end (delta: -9.8MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-08 23:36:00,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.29ms. Allocated memory is still 86.0MB. Free memory was 49.2MB in the beginning and 45.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:36:00,195 INFO L158 Benchmark]: Boogie Preprocessor took 30.38ms. Allocated memory is still 86.0MB. Free memory was 45.9MB in the beginning and 43.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:36:00,196 INFO L158 Benchmark]: RCFGBuilder took 495.05ms. Allocated memory is still 86.0MB. Free memory was 43.8MB in the beginning and 47.2MB in the end (delta: -3.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-08 23:36:00,196 INFO L158 Benchmark]: CodeCheck took 788.98ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.2MB in the beginning and 57.6MB in the end (delta: -10.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-11-08 23:36:00,197 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 104.9MB. Free memory was 57.6MB in the beginning and 57.0MB in the end (delta: 605.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:36:00,201 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 59 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: 1578]: 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 1570, 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE190_Integer_Overflow__int_fgets_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_postinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, 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) [L1565] CALL funcPtr(data) [L1578] 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 0.22ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1361.31ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 39.4MB in the beginning and 49.2MB in the end (delta: -9.8MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.29ms. Allocated memory is still 86.0MB. Free memory was 49.2MB in the beginning and 45.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.38ms. Allocated memory is still 86.0MB. Free memory was 45.9MB in the beginning and 43.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.05ms. Allocated memory is still 86.0MB. Free memory was 43.8MB in the beginning and 47.2MB in the end (delta: -3.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * CodeCheck took 788.98ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.2MB in the beginning and 57.6MB in the end (delta: -10.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 104.9MB. Free memory was 57.6MB in the beginning and 57.0MB in the end (delta: 605.2kB). 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 23:36:00,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9373df36-839b-4d8b-b16c-310c4720d32f/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