./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_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_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/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_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/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_6205445b-1a0c-421a-b56e-19b64cd091b5/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 94832c176a042010e6610b726c503f8ee4e2b95dd4efdf6e739d3b344ea994ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:14:43,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:14:43,268 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:14:43,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:14:43,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:14:43,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:14:43,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:14:43,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:14:43,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:14:43,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:14:43,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:14:43,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:14:43,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:14:43,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:14:43,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:14:43,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:14:43,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:14:43,305 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:14:43,305 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:14:43,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:14:43,305 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:14:43,305 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:14:43,306 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:14:43,306 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:14:43,306 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:14:43,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:14:43,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:14:43,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:14:43,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:14:43,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:14:43,306 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:14:43,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:14:43,307 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_6205445b-1a0c-421a-b56e-19b64cd091b5/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 -> 94832c176a042010e6610b726c503f8ee4e2b95dd4efdf6e739d3b344ea994ce [2024-11-24 18:14:43,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:14:43,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:14:43,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:14:43,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:14:43,648 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:14:43,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_bad.i [2024-11-24 18:14:46,664 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/data/7def380df/91e2d689a4e1466987021a3fd4b85acd/FLAGead46b01b [2024-11-24 18:14:47,086 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:14:47,087 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_bad.i [2024-11-24 18:14:47,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/data/7def380df/91e2d689a4e1466987021a3fd4b85acd/FLAGead46b01b [2024-11-24 18:14:47,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/data/7def380df/91e2d689a4e1466987021a3fd4b85acd [2024-11-24 18:14:47,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:14:47,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:14:47,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:14:47,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:14:47,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:14:47,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:14:47" (1/1) ... [2024-11-24 18:14:47,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2720aab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:47, skipping insertion in model container [2024-11-24 18:14:47,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:14:47" (1/1) ... [2024-11-24 18:14:47,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:14:48,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:14:48,257 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:14:48,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:14:48,558 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:14:48,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48 WrapperNode [2024-11-24 18:14:48,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:14:48,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:14:48,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:14:48,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:14:48,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48" (1/1) ... [2024-11-24 18:14:48,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48" (1/1) ... [2024-11-24 18:14:48,636 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-24 18:14:48,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:14:48,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:14:48,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:14:48,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:14:48,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48" (1/1) ... [2024-11-24 18:14:48,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48" (1/1) ... [2024-11-24 18:14:48,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48" (1/1) ... [2024-11-24 18:14:48,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48" (1/1) ... [2024-11-24 18:14:48,669 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48" (1/1) ... [2024-11-24 18:14:48,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48" (1/1) ... [2024-11-24 18:14:48,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48" (1/1) ... [2024-11-24 18:14:48,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48" (1/1) ... [2024-11-24 18:14:48,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48" (1/1) ... [2024-11-24 18:14:48,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:14:48,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:14:48,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:14:48,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:14:48,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:48" (1/1) ... [2024-11-24 18:14:48,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:14:48,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:14:48,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:14:48,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:14:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:14:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:14:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:14:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:14:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:14:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:14:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:14:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:14:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:14:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:14:48,988 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:14:48,989 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:14:49,135 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-24 18:14:49,136 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:14:49,185 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:14:49,185 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:14:49,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:14:49 BoogieIcfgContainer [2024-11-24 18:14:49,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:14:49,187 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:14:49,187 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:14:49,198 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:14:49,198 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:14:49" (1/1) ... [2024-11-24 18:14:49,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:14:49,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:49,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-24 18:14:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 18:14:49,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:14:49,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:49,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:14:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:49,932 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 18:14:50,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-24 18:14:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-24 18:14:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:14:50,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:50,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:14:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:14:50,087 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:14:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:14:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:14:50,229 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:14:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:14:50,277 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-24 18:14:50,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:14:50 ImpRootNode [2024-11-24 18:14:50,307 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:14:50,308 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:14:50,308 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:14:50,308 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:14:50,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:14:49" (3/4) ... [2024-11-24 18:14:50,313 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:14:50,314 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:14:50,315 INFO L158 Benchmark]: Toolchain (without parser) took 3078.58ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 61.5MB in the end (delta: 28.2MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-24 18:14:50,316 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 73.5MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:14:50,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1321.34ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 79.6MB in the end (delta: 9.7MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-24 18:14:50,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.73ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:14:50,319 INFO L158 Benchmark]: Boogie Preprocessor took 47.86ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 76.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:14:50,319 INFO L158 Benchmark]: RCFGBuilder took 499.99ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 61.2MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:14:50,320 INFO L158 Benchmark]: CodeCheck took 1120.56ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 61.5MB in the end (delta: -351.3kB). Peak memory consumption was 906.5kB. Max. memory is 16.1GB. [2024-11-24 18:14:50,320 INFO L158 Benchmark]: Witness Printer took 6.16ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:14:50,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_preinc_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={26534:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_preinc_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] ++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 0.41ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 73.5MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1321.34ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 79.6MB in the end (delta: 9.7MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.73ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.86ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 76.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 499.99ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 61.2MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1120.56ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 61.5MB in the end (delta: -351.3kB). Peak memory consumption was 906.5kB. Max. memory is 16.1GB. * Witness Printer took 6.16ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:14:50,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/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_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/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_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/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_6205445b-1a0c-421a-b56e-19b64cd091b5/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 94832c176a042010e6610b726c503f8ee4e2b95dd4efdf6e739d3b344ea994ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:14:53,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:14:53,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:14:53,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:14:53,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:14:53,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:14:53,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:14:53,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:14:53,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:14:53,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:14:53,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:14:53,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:14:53,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:14:53,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:14:53,305 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:14:53,305 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:14:53,306 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:14:53,306 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:14:53,306 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:14:53,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:14:53,307 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:14:53,307 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:14:53,307 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:14:53,307 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:14:53,307 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:14:53,307 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:53,307 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:14:53,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:14:53,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:14:53,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:14:53,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:14:53,308 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:14:53,308 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:14:53,308 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:53,308 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:14:53,308 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_6205445b-1a0c-421a-b56e-19b64cd091b5/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 -> 94832c176a042010e6610b726c503f8ee4e2b95dd4efdf6e739d3b344ea994ce [2024-11-24 18:14:53,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:14:53,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:14:53,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:14:53,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:14:53,657 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:14:53,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_bad.i [2024-11-24 18:14:56,698 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/data/89e8db259/ec085a163a7d4d26a1b115071e08ccd9/FLAGda538441d [2024-11-24 18:14:57,135 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:14:57,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_bad.i [2024-11-24 18:14:57,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/data/89e8db259/ec085a163a7d4d26a1b115071e08ccd9/FLAGda538441d [2024-11-24 18:14:57,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/data/89e8db259/ec085a163a7d4d26a1b115071e08ccd9 [2024-11-24 18:14:57,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:14:57,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:14:57,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:14:57,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:14:57,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:14:57,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:14:57" (1/1) ... [2024-11-24 18:14:57,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1349bad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:57, skipping insertion in model container [2024-11-24 18:14:57,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:14:57" (1/1) ... [2024-11-24 18:14:57,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:14:58,366 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:14:58,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:14:58,385 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:14:58,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:14:58,671 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:14:58,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58 WrapperNode [2024-11-24 18:14:58,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:14:58,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:14:58,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:14:58,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:14:58,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58" (1/1) ... [2024-11-24 18:14:58,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58" (1/1) ... [2024-11-24 18:14:58,734 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-11-24 18:14:58,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:14:58,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:14:58,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:14:58,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:14:58,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58" (1/1) ... [2024-11-24 18:14:58,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58" (1/1) ... [2024-11-24 18:14:58,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58" (1/1) ... [2024-11-24 18:14:58,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58" (1/1) ... [2024-11-24 18:14:58,756 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58" (1/1) ... [2024-11-24 18:14:58,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58" (1/1) ... [2024-11-24 18:14:58,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58" (1/1) ... [2024-11-24 18:14:58,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58" (1/1) ... [2024-11-24 18:14:58,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58" (1/1) ... [2024-11-24 18:14:58,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:14:58,773 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:14:58,773 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:14:58,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:14:58,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:14:58" (1/1) ... [2024-11-24 18:14:58,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:14:58,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:14:58,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:14:58,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:14:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:14:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:14:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:14:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:14:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:14:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:14:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:14:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 18:14:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:14:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 18:14:59,041 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:14:59,044 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:14:59,271 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-24 18:14:59,271 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:14:59,343 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:14:59,344 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:14:59,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:14:59 BoogieIcfgContainer [2024-11-24 18:14:59,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:14:59,345 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:14:59,345 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:14:59,356 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:14:59,357 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:14:59" (1/1) ... [2024-11-24 18:14:59,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:14:59,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:59,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-24 18:14:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 18:14:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:14:59,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:59,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:59,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:59,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:59,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:14:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:59,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:14:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:59,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 18:14:59,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:59,856 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 18:14:59,860 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-24 18:14:59,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-24 18:14:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:59,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-24 18:14:59,889 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-24 18:14:59,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:14:59,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:59,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:59,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:59,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:59,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:15:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:15:00,189 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:15:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:15:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:15:00,452 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:15:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:15:00,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-24 18:15:00,543 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-24 18:15:00,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:15:00 ImpRootNode [2024-11-24 18:15:00,587 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:15:00,587 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:15:00,588 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:15:00,588 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:15:00,590 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:14:59" (3/4) ... [2024-11-24 18:15:00,592 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:15:00,593 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:15:00,594 INFO L158 Benchmark]: Toolchain (without parser) took 3390.29ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 58.5MB in the end (delta: 31.2MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-11-24 18:15:00,595 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:15:00,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1466.71ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 68.0MB in the end (delta: 21.4MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-24 18:15:00,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.65ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 65.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:15:00,597 INFO L158 Benchmark]: Boogie Preprocessor took 37.70ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:15:00,598 INFO L158 Benchmark]: RCFGBuilder took 571.18ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 46.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:15:00,600 INFO L158 Benchmark]: CodeCheck took 1241.92ms. Allocated memory is still 117.4MB. Free memory was 46.0MB in the beginning and 58.5MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:15:00,600 INFO L158 Benchmark]: Witness Printer took 6.04ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:15:00,604 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 79 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_preinc_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_preinc_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] ++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 0.49ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1466.71ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 68.0MB in the end (delta: 21.4MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.65ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 65.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.70ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 571.18ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 46.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1241.92ms. Allocated memory is still 117.4MB. Free memory was 46.0MB in the beginning and 58.5MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.04ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:15:00,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6205445b-1a0c-421a-b56e-19b64cd091b5/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