./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4a2ffd715bb237e27de081f3fb509e4759707f61fe3957e5688adb5c1e28a582 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:14:49,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:14:49,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:14:49,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:14:49,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:14:50,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:14:50,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:14:50,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:14:50,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:14:50,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:14:50,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:14:50,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:14:50,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:14:50,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:14:50,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:14:50,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:14:50,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:14:50,007 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:14:50,007 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:14:50,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:14:50,007 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:14:50,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:14:50,008 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:14:50,008 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:14:50,008 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:14:50,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:14:50,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:50,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:14:50,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:14:50,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:14:50,009 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:14:50,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:14:50,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a2ffd715bb237e27de081f3fb509e4759707f61fe3957e5688adb5c1e28a582 [2024-11-25 04:14:50,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:14:50,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:14:50,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:14:50,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:14:50,344 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:14:50,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i [2024-11-25 04:14:53,280 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/data/b7445f50b/d6f1bd5557f04adbaea1c5d1e6eae0ec/FLAGacd400100 [2024-11-25 04:14:53,729 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:14:53,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i [2024-11-25 04:14:53,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/data/b7445f50b/d6f1bd5557f04adbaea1c5d1e6eae0ec/FLAGacd400100 [2024-11-25 04:14:53,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/data/b7445f50b/d6f1bd5557f04adbaea1c5d1e6eae0ec [2024-11-25 04:14:53,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:14:53,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:14:53,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:14:53,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:14:53,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:14:53,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6816401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53, skipping insertion in model container [2024-11-25 04:14:53,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:14:54,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:14:54,799 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:14:54,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:14:55,052 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:14:55,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55 WrapperNode [2024-11-25 04:14:55,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:14:55,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:14:55,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:14:55,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:14:55,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,112 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-25 04:14:55,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:14:55,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:14:55,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:14:55,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:14:55,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,126 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:14:55,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:14:55,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:14:55,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:14:55,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:55,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:14:55,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:14:55,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:14:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:14:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:14:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:14:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:14:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:14:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:14:55,344 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:14:55,346 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:14:55,475 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 04:14:55,476 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:14:55,519 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:14:55,519 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:14:55,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:55 BoogieIcfgContainer [2024-11-25 04:14:55,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:14:55,520 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:14:55,520 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:14:55,531 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:14:55,531 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:55" (1/1) ... [2024-11-25 04:14:55,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:14:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:55,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 04:14:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 04:14:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:14:55,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:55,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:14:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:14:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:55,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 23 transitions. [2024-11-25 04:14:55,938 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 04:14:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:14:55,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:55,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:14:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:56,009 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:14:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:56,135 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:14:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:56,175 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:14:56,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:14:56 ImpRootNode [2024-11-25 04:14:56,214 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:14:56,215 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:14:56,215 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:14:56,215 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:14:56,216 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:55" (3/4) ... [2024-11-25 04:14:56,218 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:14:56,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:14:56,222 INFO L158 Benchmark]: Toolchain (without parser) took 2446.60ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 37.0MB in the end (delta: 52.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-25 04:14:56,222 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:56,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1279.21ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.5MB in the end (delta: 9.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-25 04:14:56,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.45ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:56,223 INFO L158 Benchmark]: Boogie Preprocessor took 20.39ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 76.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:56,224 INFO L158 Benchmark]: RCFGBuilder took 386.10ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 62.1MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:14:56,224 INFO L158 Benchmark]: CodeCheck took 694.36ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 37.0MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:14:56,224 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 117.4MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:56,230 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 17 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [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_multiply_14_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] [L1552] COND TRUE globalFive==5 [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) [L1566] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1279.21ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.5MB in the end (delta: 9.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.45ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.39ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 76.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 386.10ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 62.1MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 694.36ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 37.0MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 117.4MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:14:56,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4a2ffd715bb237e27de081f3fb509e4759707f61fe3957e5688adb5c1e28a582 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:14:58,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:14:58,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:14:58,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:14:58,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:14:58,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:14:58,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:14:58,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:14:58,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:14:58,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:14:58,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:14:58,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:14:58,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:14:58,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:14:58,975 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:14:58,975 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:14:58,975 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:14:58,975 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:14:58,975 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:14:58,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:14:58,976 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:14:58,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:14:58,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:14:58,976 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:14:58,976 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:14:58,976 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:58,977 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:14:58,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:14:58,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:58,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:14:58,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:14:58,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:14:58,978 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:14:58,978 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:58,978 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:14:58,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a2ffd715bb237e27de081f3fb509e4759707f61fe3957e5688adb5c1e28a582 [2024-11-25 04:14:59,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:14:59,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:14:59,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:14:59,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:14:59,294 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:14:59,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i [2024-11-25 04:15:02,341 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/data/58faa44dd/1efb2e80f14a4f4e909f2d5794dbbbb8/FLAG31a706d13 [2024-11-25 04:15:02,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:15:02,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_bad.i [2024-11-25 04:15:02,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/data/58faa44dd/1efb2e80f14a4f4e909f2d5794dbbbb8/FLAG31a706d13 [2024-11-25 04:15:02,916 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/data/58faa44dd/1efb2e80f14a4f4e909f2d5794dbbbb8 [2024-11-25 04:15:02,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:15:02,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:15:02,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:15:02,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:15:02,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:15:02,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:15:02" (1/1) ... [2024-11-25 04:15:02,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69fd9bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:02, skipping insertion in model container [2024-11-25 04:15:02,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:15:02" (1/1) ... [2024-11-25 04:15:02,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:15:03,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:15:03,846 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:15:03,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:15:04,094 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:15:04,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04 WrapperNode [2024-11-25 04:15:04,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:15:04,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:15:04,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:15:04,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:15:04,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,143 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-25 04:15:04,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:15:04,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:15:04,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:15:04,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:15:04,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,162 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:15:04,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:15:04,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:15:04,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:15:04,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:15:04,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:15:04,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:15:04,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:15:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:15:04,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:15:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:15:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:15:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:15:04,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:15:04,420 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:15:04,421 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:15:04,582 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 04:15:04,583 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:15:04,646 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:15:04,647 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:15:04,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:15:04 BoogieIcfgContainer [2024-11-25 04:15:04,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:15:04,648 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:15:04,649 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:15:04,664 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:15:04,664 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:15:04" (1/1) ... [2024-11-25 04:15:04,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:15:04,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 04:15:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 04:15:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:15:04,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:04,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:04,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:04,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:04,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:15:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:04,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:04,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:15:04,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:04,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:15:05,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:15:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:05,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 28 transitions. [2024-11-25 04:15:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 04:15:05,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:15:05,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:05,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:05,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:05,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:05,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:15:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:15:05,274 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:15:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:15:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:15:05,398 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:15:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:15:05,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 04:15:05,461 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:15:05,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:15:05 ImpRootNode [2024-11-25 04:15:05,498 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:15:05,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:15:05,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:15:05,500 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:15:05,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:15:04" (3/4) ... [2024-11-25 04:15:05,504 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:15:05,504 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:15:05,508 INFO L158 Benchmark]: Toolchain (without parser) took 2583.92ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 89.5MB in the beginning and 189.5MB in the end (delta: -100.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-25 04:15:05,508 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:05,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1169.84ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 70.0MB in the end (delta: 19.5MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-25 04:15:05,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.82ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 67.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:05,509 INFO L158 Benchmark]: Boogie Preprocessor took 31.21ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 65.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:05,509 INFO L158 Benchmark]: RCFGBuilder took 472.29ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 49.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:15:05,509 INFO L158 Benchmark]: CodeCheck took 850.00ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 49.1MB in the beginning and 189.5MB in the end (delta: -140.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:05,510 INFO L158 Benchmark]: Witness Printer took 5.47ms. Allocated memory is still 234.9MB. Free memory was 189.5MB in the beginning and 189.5MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:15:05,514 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, 19 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, 18 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 19 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [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_multiply_14_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] [L1552] COND TRUE globalFive==5 [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) [L1566] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 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 0.33ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1169.84ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 70.0MB in the end (delta: 19.5MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.82ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 67.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.21ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 65.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 472.29ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 49.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 850.00ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 49.1MB in the beginning and 189.5MB in the end (delta: -140.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.47ms. Allocated memory is still 234.9MB. Free memory was 189.5MB in the beginning and 189.5MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:15:05,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c38a6e3-53ae-4b9f-961a-f62992d892b0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample