./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-dietlibc/wcsstr.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/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_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-dietlibc/wcsstr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b18f22aa0242fc741d93005272cc93444d5a107b685bf4453016ed833583be3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:51:16,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:51:16,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-25 02:51:16,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:51:16,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:51:16,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:51:16,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:51:16,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:51:16,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:51:16,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:51:16,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:51:16,477 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 02:51:16,477 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 02:51:16,477 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 02:51:16,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:51:16,477 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:51:16,477 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:51:16,477 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:51:16,478 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:51:16,478 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:51:16,478 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:51:16,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:51:16,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:16,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:51:16,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:51:16,478 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:51:16,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:51:16,478 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_55ddab2b-73fb-494d-a14a-7cc30d38484c/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> b18f22aa0242fc741d93005272cc93444d5a107b685bf4453016ed833583be3a [2024-11-25 02:51:16,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:51:16,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:51:16,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:51:16,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:51:16,793 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:51:16,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-dietlibc/wcsstr.i [2024-11-25 02:51:19,705 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/data/2765cf5ac/9a2a64c61a6441fbb18fb6ab4fa8881c/FLAGf6652d531 [2024-11-25 02:51:19,983 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:51:19,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/sv-benchmarks/c/termination-dietlibc/wcsstr.i [2024-11-25 02:51:19,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/data/2765cf5ac/9a2a64c61a6441fbb18fb6ab4fa8881c/FLAGf6652d531 [2024-11-25 02:51:20,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/data/2765cf5ac/9a2a64c61a6441fbb18fb6ab4fa8881c [2024-11-25 02:51:20,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:51:20,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:51:20,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:20,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:51:20,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:51:20,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8b3f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20, skipping insertion in model container [2024-11-25 02:51:20,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:51:20,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:20,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:51:20,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:51:20,718 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:51:20,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20 WrapperNode [2024-11-25 02:51:20,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:51:20,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:20,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:51:20,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:51:20,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,762 INFO L138 Inliner]: procedures = 113, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2024-11-25 02:51:20,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:51:20,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:51:20,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:51:20,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:51:20,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,790 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:51:20,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:51:20,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:51:20,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:51:20,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:51:20" (1/1) ... [2024-11-25 02:51:20,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:20,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:51:20,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:51:20,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:51:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:51:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:51:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:51:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:51:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:51:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:51:21,003 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:51:21,005 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:51:21,337 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-25 02:51:21,341 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:51:21,398 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:51:21,401 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:51:21,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:21 BoogieIcfgContainer [2024-11-25 02:51:21,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:51:21,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:51:21,404 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:51:21,413 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:51:21,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:21" (1/1) ... [2024-11-25 02:51:21,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:51:21,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:21,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2024-11-25 02:51:21,468 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2024-11-25 02:51:21,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:51:21,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:21,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:21,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:51:21,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:21,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-25 02:51:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-25 02:51:21,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:51:21,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:21,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:21,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:51:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2024-11-25 02:51:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2024-11-25 02:51:21,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:51:21,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:21,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:21,864 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:51:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:21,919 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:51:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:51:21,941 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 02:51:21,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:51:21 ImpRootNode [2024-11-25 02:51:21,969 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:51:21,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:51:21,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:51:21,971 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:51:21,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:51:21" (3/4) ... [2024-11-25 02:51:21,973 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:51:22,024 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-11-25 02:51:22,070 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:51:22,070 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:51:22,070 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:51:22,072 INFO L158 Benchmark]: Toolchain (without parser) took 1792.35ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 83.7MB in the end (delta: 8.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-25 02:51:22,072 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:22,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.14ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 75.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:51:22,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.84ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 73.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:22,073 INFO L158 Benchmark]: Boogie Preprocessor took 45.52ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 72.5MB in the end (delta: 875.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:22,073 INFO L158 Benchmark]: RCFGBuilder took 593.86ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 54.5MB in the end (delta: 17.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:51:22,074 INFO L158 Benchmark]: CodeCheck took 564.99ms. Allocated memory is still 117.4MB. Free memory was 54.2MB in the beginning and 87.9MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:22,074 INFO L158 Benchmark]: Witness Printer took 99.43ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 83.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:51:22,079 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 1 procedures, 33 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 4 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L515] int in_len = __VERIFIER_nondet_int(); [L516] COND FALSE !(in_len < 1) [L517] int* hay = __builtin_alloca (in_len); VAL [hay={2:0}, in_len=1] [L518] hay[in_len-1]=0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.14ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 75.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.84ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 73.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.52ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 72.5MB in the end (delta: 875.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 593.86ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 54.5MB in the end (delta: 17.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 564.99ms. Allocated memory is still 117.4MB. Free memory was 54.2MB in the beginning and 87.9MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 99.43ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 83.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:51:22,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ddab2b-73fb-494d-a14a-7cc30d38484c/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)