./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_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_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/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_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/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_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/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 d37c1ec71459106032e60eb7bc27fe3e54a637e48f0e814f643241a64f7f516e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:01:39,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:01:39,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:01:39,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:01:39,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:01:39,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:01:39,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:01:39,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:01:39,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:01:39,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:01:39,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:01:39,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:01:39,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:01:39,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:01:39,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:01:39,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:01:39,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:01:39,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:01:39,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:01:39,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:01:39,285 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:01:39,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:01:39,285 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:01:39,285 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:01:39,286 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:01:39,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:01:39,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:01:39,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:01:39,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:01:39,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:01:39,286 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:01:39,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:01:39,286 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_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/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 -> d37c1ec71459106032e60eb7bc27fe3e54a637e48f0e814f643241a64f7f516e [2024-11-24 18:01:39,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:01:39,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:01:39,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:01:39,702 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:01:39,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:01:39,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i [2024-11-24 18:01:43,227 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/data/7e4cfae8c/514b2b6b63e24ce8af70a0605fc9732d/FLAGe78da7bd8 [2024-11-24 18:01:43,704 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:01:43,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i [2024-11-24 18:01:43,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/data/7e4cfae8c/514b2b6b63e24ce8af70a0605fc9732d/FLAGe78da7bd8 [2024-11-24 18:01:43,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/data/7e4cfae8c/514b2b6b63e24ce8af70a0605fc9732d [2024-11-24 18:01:43,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:01:43,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:01:43,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:01:43,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:01:43,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:01:43,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:01:43" (1/1) ... [2024-11-24 18:01:43,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ee2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:43, skipping insertion in model container [2024-11-24 18:01:43,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:01:43" (1/1) ... [2024-11-24 18:01:43,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:01:44,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:01:44,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:01:45,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:01:45,309 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:01:45,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45 WrapperNode [2024-11-24 18:01:45,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:01:45,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:01:45,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:01:45,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:01:45,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,369 INFO L138 Inliner]: procedures = 498, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-11-24 18:01:45,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:01:45,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:01:45,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:01:45,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:01:45,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,390 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:01:45,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:01:45,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:01:45,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:01:45,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:01:45,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:01:45,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:01:45,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:01:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:01:45,498 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:01:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:01:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:01:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:01:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:01:45,678 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:01:45,684 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:01:45,857 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-24 18:01:45,857 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:01:45,919 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:01:45,919 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:01:45,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:01:45 BoogieIcfgContainer [2024-11-24 18:01:45,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:01:45,921 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:01:45,921 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:01:45,934 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:01:45,935 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:01:45" (1/1) ... [2024-11-24 18:01:45,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:01:45,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:01:46,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-24 18:01:46,003 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-24 18:01:46,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:01:46,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:01:46,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:01:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:01:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:01:46,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:01:46,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 26 transitions. [2024-11-24 18:01:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-24 18:01:46,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:01:46,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:01:46,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:01:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:01:46,399 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:01:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:01:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:01:46,544 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:01:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:01:46,592 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-24 18:01:46,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:01:46 ImpRootNode [2024-11-24 18:01:46,637 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:01:46,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:01:46,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:01:46,638 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:01:46,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:01:45" (3/4) ... [2024-11-24 18:01:46,684 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:01:46,686 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:01:46,687 INFO L158 Benchmark]: Toolchain (without parser) took 2935.78ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 83.6MB in the end (delta: 4.0MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-11-24 18:01:46,688 INFO L158 Benchmark]: CDTParser took 1.82ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:01:46,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1557.77ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 80.9MB in the end (delta: 6.5MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-24 18:01:46,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.46ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 78.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:01:46,689 INFO L158 Benchmark]: Boogie Preprocessor took 37.67ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 77.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:01:46,690 INFO L158 Benchmark]: RCFGBuilder took 510.99ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 62.7MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:01:46,690 INFO L158 Benchmark]: CodeCheck took 716.56ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 37.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 18:01:46,691 INFO L158 Benchmark]: Witness Printer took 48.05ms. Allocated memory is still 117.4MB. Free memory was 37.5MB in the beginning and 83.6MB in the end (delta: -46.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-24 18:01:46,694 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 19 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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); [L1588] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1588] 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] [L1589] CALL CWE191_Integer_Underflow__int_fgets_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: 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] [L1554] case 6: [L1556] 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] [L1554] case 6: [L1559] data = atoi(inputBuffer) [L1573] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.82ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1557.77ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 80.9MB in the end (delta: 6.5MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.46ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 78.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.67ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 77.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 510.99ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 62.7MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 716.56ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 37.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 48.05ms. Allocated memory is still 117.4MB. Free memory was 37.5MB in the beginning and 83.6MB in the end (delta: -46.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:01:46,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/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_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/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_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/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_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/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 d37c1ec71459106032e60eb7bc27fe3e54a637e48f0e814f643241a64f7f516e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:01:49,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:01:50,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:01:50,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:01:50,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:01:50,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:01:50,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:01:50,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:01:50,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:01:50,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:01:50,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:01:50,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:01:50,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:01:50,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:01:50,157 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:01:50,157 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:01:50,157 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:01:50,157 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:01:50,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:01:50,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:01:50,157 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:01:50,159 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:01:50,159 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:01:50,159 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:01:50,160 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:01:50,160 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:01:50,160 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:01:50,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:01:50,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:01:50,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:01:50,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:01:50,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:01:50,161 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:01:50,161 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:01:50,161 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:01:50,161 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_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/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 -> d37c1ec71459106032e60eb7bc27fe3e54a637e48f0e814f643241a64f7f516e [2024-11-24 18:01:50,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:01:50,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:01:50,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:01:50,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:01:50,542 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:01:50,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i [2024-11-24 18:01:54,009 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/data/4534a4ced/eeeb03ba8b56449e85c25fa800a44903/FLAG319dbb5e3 [2024-11-24 18:01:54,550 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:01:54,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i [2024-11-24 18:01:54,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/data/4534a4ced/eeeb03ba8b56449e85c25fa800a44903/FLAG319dbb5e3 [2024-11-24 18:01:54,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/data/4534a4ced/eeeb03ba8b56449e85c25fa800a44903 [2024-11-24 18:01:54,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:01:54,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:01:54,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:01:54,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:01:54,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:01:54,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:01:54" (1/1) ... [2024-11-24 18:01:54,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3227f85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:54, skipping insertion in model container [2024-11-24 18:01:54,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:01:54" (1/1) ... [2024-11-24 18:01:54,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:01:56,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:01:56,035 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:01:56,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:01:56,329 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:01:56,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56 WrapperNode [2024-11-24 18:01:56,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:01:56,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:01:56,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:01:56,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:01:56,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,390 INFO L138 Inliner]: procedures = 503, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2024-11-24 18:01:56,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:01:56,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:01:56,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:01:56,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:01:56,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,413 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:01:56,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:01:56,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:01:56,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:01:56,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:01:56" (1/1) ... [2024-11-24 18:01:56,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:01:56,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:01:56,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:01:56,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:01:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:01:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:01:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:01:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:01:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:01:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:01:56,699 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:01:56,701 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:01:56,944 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-24 18:01:56,944 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:01:57,032 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:01:57,034 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:01:57,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:01:57 BoogieIcfgContainer [2024-11-24 18:01:57,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:01:57,037 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:01:57,037 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:01:57,050 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:01:57,050 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:01:57" (1/1) ... [2024-11-24 18:01:57,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:01:57,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:01:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-24 18:01:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-24 18:01:57,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:01:57,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:01:57,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:01:57,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:01:57,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:01:57,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:01:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:01:57,343 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:01:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:01:57,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:01:57,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:01:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:01:57,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:01:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:01:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 26 transitions. [2024-11-24 18:01:57,534 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-24 18:01:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:01:57,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:01:57,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:01:57,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:01:57,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:01:57,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:01:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:01:57,754 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:01:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:01:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:01:57,935 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:01:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:01:58,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-24 18:01:58,004 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-24 18:01:58,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:01:58 ImpRootNode [2024-11-24 18:01:58,044 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:01:58,046 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:01:58,047 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:01:58,047 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:01:58,048 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:01:57" (3/4) ... [2024-11-24 18:01:58,053 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:01:58,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:01:58,055 INFO L158 Benchmark]: Toolchain (without parser) took 3426.27ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 68.7MB in the end (delta: 21.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-24 18:01:58,055 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:01:58,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1698.80ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 78.5MB in the end (delta: 11.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-24 18:01:58,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.00ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:01:58,057 INFO L158 Benchmark]: Boogie Preprocessor took 32.05ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:01:58,061 INFO L158 Benchmark]: RCFGBuilder took 611.28ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 57.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:01:58,061 INFO L158 Benchmark]: CodeCheck took 1007.19ms. Allocated memory is still 117.4MB. Free memory was 57.0MB in the beginning and 68.7MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:01:58,062 INFO L158 Benchmark]: Witness Printer took 7.95ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 68.7MB in the end (delta: 9.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:01:58,064 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 19 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 41 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: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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); [L1588] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1588] 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] [L1589] CALL CWE191_Integer_Underflow__int_fgets_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: 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] [L1554] case 6: [L1556] 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] [L1554] case 6: [L1559] data = atoi(inputBuffer) [L1573] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1698.80ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 78.5MB in the end (delta: 11.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.00ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.05ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 611.28ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 57.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1007.19ms. Allocated memory is still 117.4MB. Free memory was 57.0MB in the beginning and 68.7MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.95ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 68.7MB in the end (delta: 9.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:01:58,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ab9ce-b6fc-4bdb-b760-57825e514b1a/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