./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_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_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/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_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/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_062189d4-ca31-4ef5-92ef-f5868955872b/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 ab7d49d335dcbabb383c2b5ef4ecb910d32bfd99157b6ef0c9783c8f6ed82420 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:56:18,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:56:18,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:56:18,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:56:18,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:56:18,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:56:18,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:56:18,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:56:18,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:56:18,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:56:18,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:56:18,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:56:18,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:56:18,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:56:18,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:56:18,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:56:18,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:56:18,773 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:56:18,774 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:56:18,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:56:18,774 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:56:18,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:56:18,774 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:56:18,774 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:56:18,774 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:56:18,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:56:18,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:56:18,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:56:18,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:56:18,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:56:18,775 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:56:18,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:56:18,776 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_062189d4-ca31-4ef5-92ef-f5868955872b/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 -> ab7d49d335dcbabb383c2b5ef4ecb910d32bfd99157b6ef0c9783c8f6ed82420 [2024-11-25 02:56:19,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:56:19,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:56:19,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:56:19,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:56:19,076 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:56:19,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2024-11-25 02:56:22,007 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/data/b3fd329c9/4aa48ddb1deb4bf989e4ef3f80107467/FLAG33f2f1cb2 [2024-11-25 02:56:22,411 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:56:22,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2024-11-25 02:56:22,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/data/b3fd329c9/4aa48ddb1deb4bf989e4ef3f80107467/FLAG33f2f1cb2 [2024-11-25 02:56:22,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/data/b3fd329c9/4aa48ddb1deb4bf989e4ef3f80107467 [2024-11-25 02:56:22,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:56:22,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:56:22,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:56:22,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:56:22,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:56:22,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:56:22" (1/1) ... [2024-11-25 02:56:22,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57880fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:22, skipping insertion in model container [2024-11-25 02:56:22,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:56:22" (1/1) ... [2024-11-25 02:56:22,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:56:23,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:56:23,371 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:56:23,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:56:23,651 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:56:23,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23 WrapperNode [2024-11-25 02:56:23,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:56:23,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:56:23,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:56:23,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:56:23,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23" (1/1) ... [2024-11-25 02:56:23,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23" (1/1) ... [2024-11-25 02:56:23,705 INFO L138 Inliner]: procedures = 498, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-25 02:56:23,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:56:23,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:56:23,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:56:23,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:56:23,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23" (1/1) ... [2024-11-25 02:56:23,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23" (1/1) ... [2024-11-25 02:56:23,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23" (1/1) ... [2024-11-25 02:56:23,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23" (1/1) ... [2024-11-25 02:56:23,734 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23" (1/1) ... [2024-11-25 02:56:23,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23" (1/1) ... [2024-11-25 02:56:23,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23" (1/1) ... [2024-11-25 02:56:23,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23" (1/1) ... [2024-11-25 02:56:23,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23" (1/1) ... [2024-11-25 02:56:23,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:56:23,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:56:23,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:56:23,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:56:23,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:23" (1/1) ... [2024-11-25 02:56:23,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:56:23,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:56:23,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:56:23,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:56:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:56:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:56:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:56:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:56:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:56:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:56:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:56:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:56:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:56:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:56:23,975 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:56:23,977 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:56:24,144 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-25 02:56:24,144 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:56:24,196 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:56:24,197 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:56:24,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:56:24 BoogieIcfgContainer [2024-11-25 02:56:24,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:56:24,198 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:56:24,198 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:56:24,208 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:56:24,209 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:56:24" (1/1) ... [2024-11-25 02:56:24,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:56:24,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:56:24,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:56:24,276 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:56:24,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:56:24,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:56:24,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:56:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:56:24,639 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 02:56:24,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:56:24,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-25 02:56:24,674 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-25 02:56:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:56:24,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:56:24,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:56:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:56:24,766 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:56:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:56:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:56:24,913 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:56:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:56:24,973 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:56:25,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:56:25 ImpRootNode [2024-11-25 02:56:25,013 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:56:25,015 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:56:25,015 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:56:25,015 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:56:25,016 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:56:24" (3/4) ... [2024-11-25 02:56:25,017 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:56:25,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:56:25,019 INFO L158 Benchmark]: Toolchain (without parser) took 2561.39ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 78.5MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:56:25,019 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:56:25,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1193.92ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 79.5MB in the end (delta: 10.1MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-25 02:56:25,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.70ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:56:25,020 INFO L158 Benchmark]: Boogie Preprocessor took 34.77ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:56:25,021 INFO L158 Benchmark]: RCFGBuilder took 456.11ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 61.5MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:56:25,021 INFO L158 Benchmark]: CodeCheck took 814.82ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 78.5MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:56:25,021 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 117.4MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:56:25,023 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 1574]: 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_multiply_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_multiply_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={12214:0}] [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; [L1572] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] 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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1193.92ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 79.5MB in the end (delta: 10.1MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.70ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.77ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.11ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 61.5MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 814.82ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 78.5MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 117.4MB. Free memory is still 78.5MB. 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 02:56:25,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/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_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/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_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/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_062189d4-ca31-4ef5-92ef-f5868955872b/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 ab7d49d335dcbabb383c2b5ef4ecb910d32bfd99157b6ef0c9783c8f6ed82420 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:56:27,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:56:27,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:56:27,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:56:27,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:56:27,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:56:27,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:56:27,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:56:27,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:56:27,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:56:27,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:56:27,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:56:27,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:56:27,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:56:27,935 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:56:27,935 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:56:27,935 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:56:27,936 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:56:27,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:56:27,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:56:27,936 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:56:27,936 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:56:27,936 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:56:27,937 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:56:27,937 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:56:27,937 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:56:27,937 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:56:27,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:56:27,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:56:27,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:56:27,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:56:27,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:56:27,939 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:56:27,939 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:56:27,939 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:56:27,939 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_062189d4-ca31-4ef5-92ef-f5868955872b/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 -> ab7d49d335dcbabb383c2b5ef4ecb910d32bfd99157b6ef0c9783c8f6ed82420 [2024-11-25 02:56:28,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:56:28,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:56:28,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:56:28,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:56:28,257 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:56:28,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2024-11-25 02:56:31,259 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/data/21bf7090f/e7a0e4658a2846f39f931641b41380c9/FLAGf14d9d9aa [2024-11-25 02:56:31,712 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:56:31,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_34_bad.i [2024-11-25 02:56:31,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/data/21bf7090f/e7a0e4658a2846f39f931641b41380c9/FLAGf14d9d9aa [2024-11-25 02:56:31,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/data/21bf7090f/e7a0e4658a2846f39f931641b41380c9 [2024-11-25 02:56:31,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:56:31,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:56:31,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:56:31,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:56:31,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:56:31,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:56:31" (1/1) ... [2024-11-25 02:56:31,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e9c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:31, skipping insertion in model container [2024-11-25 02:56:31,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:56:31" (1/1) ... [2024-11-25 02:56:31,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:56:32,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:56:32,758 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:56:32,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:56:33,060 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:56:33,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33 WrapperNode [2024-11-25 02:56:33,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:56:33,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:56:33,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:56:33,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:56:33,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,129 INFO L138 Inliner]: procedures = 503, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-25 02:56:33,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:56:33,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:56:33,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:56:33,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:56:33,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,150 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:56:33,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:56:33,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:56:33,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:56:33,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:56:33,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:56:33,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:56:33,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:56:33,230 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:56:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:56:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:56:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:56:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:56:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:56:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:56:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 02:56:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:56:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 02:56:33,438 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:56:33,442 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:56:33,624 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-25 02:56:33,624 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:56:33,681 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:56:33,682 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:56:33,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:56:33 BoogieIcfgContainer [2024-11-25 02:56:33,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:56:33,683 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:56:33,684 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:56:33,696 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:56:33,696 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:56:33" (1/1) ... [2024-11-25 02:56:33,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:56:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:56:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:56:33,769 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:56:33,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:56:33,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:56:33,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:56:33,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:56:33,780 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:56:33,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:56:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:56:34,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:56:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:56:34,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:56:34,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:56:34,093 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 02:56:34,096 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:56:34,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:56:34,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:56:34,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-25 02:56:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-25 02:56:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:56:34,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:56:34,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:56:34,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:56:34,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:56:34,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:56:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:56:34,365 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:56:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:56:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:56:34,616 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:56:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:56:34,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 02:56:34,691 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:56:34,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:56:34 ImpRootNode [2024-11-25 02:56:34,729 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:56:34,730 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:56:34,730 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:56:34,731 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:56:34,732 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:56:33" (3/4) ... [2024-11-25 02:56:34,735 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:56:34,736 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:56:34,737 INFO L158 Benchmark]: Toolchain (without parser) took 2977.83ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 42.4MB in the end (delta: 14.8MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-11-25 02:56:34,737 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:56:34,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1300.83ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 49.7MB in the end (delta: 7.3MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-25 02:56:34,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.92ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 47.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:56:34,740 INFO L158 Benchmark]: Boogie Preprocessor took 29.60ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 44.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:56:34,740 INFO L158 Benchmark]: RCFGBuilder took 522.31ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 52.3MB in the end (delta: -7.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-25 02:56:34,740 INFO L158 Benchmark]: CodeCheck took 1046.35ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 42.8MB in the end (delta: 9.5MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-25 02:56:34,741 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 83.9MB. Free memory was 42.4MB in the beginning and 42.4MB in the end (delta: 3.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:56:34,745 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 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, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 67 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: 1574]: 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_multiply_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_multiply_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; [L1572] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] 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 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1300.83ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 49.7MB in the end (delta: 7.3MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.92ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 47.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.60ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 44.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 522.31ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 52.3MB in the end (delta: -7.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * CodeCheck took 1046.35ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 42.8MB in the end (delta: 9.5MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 83.9MB. Free memory was 42.4MB in the beginning and 42.4MB in the end (delta: 3.8kB). 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 02:56:34,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_062189d4-ca31-4ef5-92ef-f5868955872b/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