./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_34_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_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/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_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/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_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/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 dc4661913c807bd7d7810a4cdc9341a20d7a8e08955eacb607bcee14d7ed33af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:32:14,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:32:14,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:32:14,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:32:14,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:32:14,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:32:14,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:32:14,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:32:14,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:32:14,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:32:14,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:32:14,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:32:14,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:32:14,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:32:14,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:32:14,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:32:14,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:32:14,685 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:32:14,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:32:14,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:32:14,685 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:32:14,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:32:14,686 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:32:14,686 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:32:14,686 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:32:14,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:32:14,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:14,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:32:14,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:32:14,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:32:14,689 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:32:14,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:32:14,689 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_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/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 -> dc4661913c807bd7d7810a4cdc9341a20d7a8e08955eacb607bcee14d7ed33af [2024-11-25 02:32:15,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:32:15,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:32:15,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:32:15,067 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:32:15,068 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:32:15,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_34_bad.i [2024-11-25 02:32:18,729 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/data/5777e5a7e/2190134caf024dde8bb4d7b67d4c058e/FLAG9b9aa31f8 [2024-11-25 02:32:19,375 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:32:19,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_34_bad.i [2024-11-25 02:32:19,406 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/data/5777e5a7e/2190134caf024dde8bb4d7b67d4c058e/FLAG9b9aa31f8 [2024-11-25 02:32:19,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/data/5777e5a7e/2190134caf024dde8bb4d7b67d4c058e [2024-11-25 02:32:19,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:32:19,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:32:19,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:32:19,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:32:19,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:32:19,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:32:19" (1/1) ... [2024-11-25 02:32:19,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5dbeff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:19, skipping insertion in model container [2024-11-25 02:32:19,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:32:19" (1/1) ... [2024-11-25 02:32:19,521 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:32:20,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:32:20,720 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:32:20,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:32:21,052 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:32:21,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21 WrapperNode [2024-11-25 02:32:21,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:32:21,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:32:21,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:32:21,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:32:21,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,121 INFO L138 Inliner]: procedures = 498, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-25 02:32:21,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:32:21,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:32:21,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:32:21,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:32:21,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:32:21,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:32:21,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:32:21,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:32:21,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:21,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:32:21,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:32:21,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:32:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:32:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:32:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:32:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:32:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:32:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:32:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:32:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:32:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:32:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:32:21,443 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:32:21,445 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:32:21,612 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-25 02:32:21,613 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:32:21,672 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:32:21,672 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:32:21,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:21 BoogieIcfgContainer [2024-11-25 02:32:21,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:32:21,673 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:32:21,673 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:32:21,686 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:32:21,686 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:21" (1/1) ... [2024-11-25 02:32:21,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:32:21,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 02:32:21,765 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 02:32:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:32:21,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:21,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:32:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:32:22,515 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:32:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:32:22,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:22,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:32:22,578 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:32:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:32:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:32:22,748 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:32:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:32:22,799 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:32:22,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:32:22 ImpRootNode [2024-11-25 02:32:22,857 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:32:22,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:32:22,858 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:32:22,858 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:32:22,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:21" (3/4) ... [2024-11-25 02:32:22,861 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:32:22,862 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:32:22,863 INFO L158 Benchmark]: Toolchain (without parser) took 3430.01ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 46.3MB in the end (delta: 55.2MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2024-11-25 02:32:22,863 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:22,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1619.21ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 41.5MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 02:32:22,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.23ms. Allocated memory is still 142.6MB. Free memory was 41.5MB in the beginning and 38.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:32:22,865 INFO L158 Benchmark]: Boogie Preprocessor took 36.17ms. Allocated memory is still 142.6MB. Free memory was 38.9MB in the beginning and 37.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:22,865 INFO L158 Benchmark]: RCFGBuilder took 512.80ms. Allocated memory is still 142.6MB. Free memory was 37.5MB in the beginning and 91.8MB in the end (delta: -54.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-25 02:32:22,866 INFO L158 Benchmark]: CodeCheck took 1184.46ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 46.3MB in the end (delta: 45.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:32:22,866 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 142.6MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:22,869 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of fgets at line 1560. 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); [L1582] 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) [L1582] 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] [L1583] CALL CWE190_Integer_Overflow__int_fgets_preinc_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_preinc_34_unionType myUnion; [L1557] data = 0 [L1559] 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, myUnion={28873:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1573] ++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 0.48ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1619.21ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 41.5MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.23ms. Allocated memory is still 142.6MB. Free memory was 41.5MB in the beginning and 38.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.17ms. Allocated memory is still 142.6MB. Free memory was 38.9MB in the beginning and 37.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.80ms. Allocated memory is still 142.6MB. Free memory was 37.5MB in the beginning and 91.8MB in the end (delta: -54.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 1184.46ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 46.3MB in the end (delta: 45.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 142.6MB. Free memory is still 46.3MB. 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 02:32:22,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/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 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_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/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_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/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_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/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 dc4661913c807bd7d7810a4cdc9341a20d7a8e08955eacb607bcee14d7ed33af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:32:26,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:32:26,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:32:26,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:32:26,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:32:26,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:32:26,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:32:26,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:32:26,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:32:26,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:32:26,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:32:26,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:32:26,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:32:26,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:32:26,634 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:32:26,634 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:32:26,635 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:32:26,635 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:32:26,635 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:32:26,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:32:26,635 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:32:26,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:32:26,638 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:32:26,638 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:32:26,638 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:32:26,639 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:32:26,639 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:32:26,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:32:26,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:26,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:32:26,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:32:26,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:32:26,639 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:32:26,639 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:32:26,640 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:32:26,640 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_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/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 -> dc4661913c807bd7d7810a4cdc9341a20d7a8e08955eacb607bcee14d7ed33af [2024-11-25 02:32:27,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:32:27,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:32:27,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:32:27,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:32:27,129 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:32:27,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_34_bad.i [2024-11-25 02:32:30,602 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/data/46822c998/f0918698a3bd4463a4138b5f6f9be8b4/FLAGd50af18be [2024-11-25 02:32:31,166 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:32:31,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_34_bad.i [2024-11-25 02:32:31,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/data/46822c998/f0918698a3bd4463a4138b5f6f9be8b4/FLAGd50af18be [2024-11-25 02:32:31,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/data/46822c998/f0918698a3bd4463a4138b5f6f9be8b4 [2024-11-25 02:32:31,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:32:31,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:32:31,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:32:31,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:32:31,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:32:31,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:32:31" (1/1) ... [2024-11-25 02:32:31,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc2e90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:31, skipping insertion in model container [2024-11-25 02:32:31,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:32:31" (1/1) ... [2024-11-25 02:32:31,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:32:33,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:32:33,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:32:33,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:32:33,485 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:32:33,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33 WrapperNode [2024-11-25 02:32:33,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:32:33,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:32:33,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:32:33,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:32:33,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33" (1/1) ... [2024-11-25 02:32:33,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33" (1/1) ... [2024-11-25 02:32:33,562 INFO L138 Inliner]: procedures = 503, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-25 02:32:33,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:32:33,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:32:33,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:32:33,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:32:33,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33" (1/1) ... [2024-11-25 02:32:33,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33" (1/1) ... [2024-11-25 02:32:33,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33" (1/1) ... [2024-11-25 02:32:33,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33" (1/1) ... [2024-11-25 02:32:33,588 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33" (1/1) ... [2024-11-25 02:32:33,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33" (1/1) ... [2024-11-25 02:32:33,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33" (1/1) ... [2024-11-25 02:32:33,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33" (1/1) ... [2024-11-25 02:32:33,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33" (1/1) ... [2024-11-25 02:32:33,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:32:33,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:32:33,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:32:33,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:32:33,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:33" (1/1) ... [2024-11-25 02:32:33,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:33,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:32:33,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:32:33,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:32:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:32:33,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:32:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:32:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:32:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:32:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:32:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:32:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 02:32:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:32:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 02:32:33,888 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:32:33,890 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:32:34,113 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 02:32:34,113 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:32:34,184 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:32:34,184 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:32:34,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:34 BoogieIcfgContainer [2024-11-25 02:32:34,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:32:34,186 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:32:34,186 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:32:34,201 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:32:34,202 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:34" (1/1) ... [2024-11-25 02:32:34,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:32:34,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 02:32:34,289 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 02:32:34,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:32:34,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:34,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:32:34,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:32:34,298 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:32:34,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:32:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:34,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:32:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:34,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:32:34,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:34,619 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 02:32:34,622 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:32:34,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 02:32:34,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 02:32:34,654 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 02:32:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:32:34,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:34,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:32:34,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:32:34,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:32:34,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:32:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:32:34,920 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:32:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:32:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:32:35,209 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:32:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:32:35,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:32:35,295 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:32:35,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:32:35 ImpRootNode [2024-11-25 02:32:35,345 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:32:35,346 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:32:35,346 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:32:35,346 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:32:35,347 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:34" (3/4) ... [2024-11-25 02:32:35,350 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:32:35,351 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:32:35,353 INFO L158 Benchmark]: Toolchain (without parser) took 3656.19ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 46.6MB in the end (delta: 10.7MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-25 02:32:35,353 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:35,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1790.07ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 51.9MB in the end (delta: 5.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 02:32:35,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.94ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 49.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:35,356 INFO L158 Benchmark]: Boogie Preprocessor took 36.32ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 47.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:35,357 INFO L158 Benchmark]: RCFGBuilder took 584.12ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 31.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:32:35,357 INFO L158 Benchmark]: CodeCheck took 1159.20ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 47.0MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:35,358 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 46.6MB in the end (delta: 458.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:35,360 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 66 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of fgets at line 1560. 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); [L1582] 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) [L1582] 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] [L1583] CALL CWE190_Integer_Overflow__int_fgets_preinc_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_preinc_34_unionType myUnion; [L1557] data = 0 [L1559] 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, myUnion={5:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1573] ++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 0.39ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1790.07ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 51.9MB in the end (delta: 5.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.94ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 49.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.32ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 47.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.12ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 31.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1159.20ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 47.0MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 46.6MB in the end (delta: 458.1kB). 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 02:32:35,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65b1a82-6e52-4ec2-a4d1-5bdb726a193d/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample