./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_14-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_14-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b --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 32bit --witnessprinter.graph.data.programhash 75f53c568c86c59ddc62d2fd150ff0a5ed9b51ea17cada3ff1a95dec57d9167c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:50:24,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:50:24,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 04:50:24,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:50:24,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:50:24,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:50:24,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:50:24,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:50:24,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:50:24,452 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:50:24,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:50:24,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:50:24,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:50:24,453 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:50:24,453 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:50:24,453 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:50:24,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:50:24,453 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:50:24,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:50:24,453 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:50:24,453 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:50:24,454 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:50:24,454 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:50:24,454 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:50:24,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:50:24,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:50:24,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:50:24,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:50:24,454 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:50:24,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:50:24,455 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_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75f53c568c86c59ddc62d2fd150ff0a5ed9b51ea17cada3ff1a95dec57d9167c [2024-12-06 04:50:24,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:50:24,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:50:24,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:50:24,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:50:24,694 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:50:24,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/locks/test_locks_14-2.c [2024-12-06 04:50:27,433 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/data/91a83f593/01e0f17a3b7041a19e432d8ea2f05a79/FLAGad3163deb [2024-12-06 04:50:27,595 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:50:27,595 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/sv-benchmarks/c/locks/test_locks_14-2.c [2024-12-06 04:50:27,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/data/91a83f593/01e0f17a3b7041a19e432d8ea2f05a79/FLAGad3163deb [2024-12-06 04:50:27,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/data/91a83f593/01e0f17a3b7041a19e432d8ea2f05a79 [2024-12-06 04:50:27,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:50:27,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:50:27,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:50:27,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:50:27,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:50:27,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:50:27" (1/1) ... [2024-12-06 04:50:27,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6c6e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:27, skipping insertion in model container [2024-12-06 04:50:27,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:50:27" (1/1) ... [2024-12-06 04:50:27,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:50:28,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:50:28,158 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:50:28,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:50:28,197 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:50:28,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28 WrapperNode [2024-12-06 04:50:28,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:50:28,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:50:28,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:50:28,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:50:28,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,231 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 198 [2024-12-06 04:50:28,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:50:28,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:50:28,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:50:28,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:50:28,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,245 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:50:28,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:50:28,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:50:28,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:50:28,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:50:28,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:50:28,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:50:28,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:50:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:50:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:50:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:50:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:50:28,373 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:50:28,375 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:50:28,603 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-12-06 04:50:28,603 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:50:28,695 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:50:28,695 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:50:28,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:50:28 BoogieIcfgContainer [2024-12-06 04:50:28,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:50:28,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:50:28,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:50:28,706 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:50:28,706 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:50:28" (1/1) ... [2024-12-06 04:50:28,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:50:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:28,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2024-12-06 04:50:28,764 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2024-12-06 04:50:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:50:28,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:28,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:50:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:50:28,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:28,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2024-12-06 04:50:28,906 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2024-12-06 04:50:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:50:28,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:28,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:50:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:28,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:50:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:29,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2024-12-06 04:50:29,001 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2024-12-06 04:50:29,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:50:29,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:29,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:50:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:50:29,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:29,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2024-12-06 04:50:29,172 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2024-12-06 04:50:29,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:50:29,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:29,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:50:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:50:29,190 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:50:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:50:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:50:29,247 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:50:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:50:29,282 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-06 04:50:29,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:50:29 ImpRootNode [2024-12-06 04:50:29,309 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:50:29,310 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:50:29,310 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:50:29,310 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:50:29,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:50:28" (3/4) ... [2024-12-06 04:50:29,313 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:50:29,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:50:29,314 INFO L158 Benchmark]: Toolchain (without parser) took 1335.33ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 65.4MB in the end (delta: 27.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-12-06 04:50:29,315 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:50:29,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.62ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:50:29,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.52ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:50:29,316 INFO L158 Benchmark]: Boogie Preprocessor took 22.63ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:50:29,316 INFO L158 Benchmark]: RCFGBuilder took 440.37ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 49.1MB in the end (delta: 28.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:50:29,316 INFO L158 Benchmark]: CodeCheck took 612.90ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 65.4MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:50:29,317 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 65.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:50:29,319 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, 38 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 44 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 3]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 3. Possible FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; VAL [p10=-1, p11=0, p12=-1, p13=0, p14=0, p1=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=-1, p8=0, p9=0] [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 [L88] COND FALSE !(p1 != 0) [L92] COND FALSE !(p2 != 0) [L96] COND FALSE !(p3 != 0) [L100] COND FALSE !(p4 != 0) [L104] COND FALSE !(p5 != 0) [L108] COND FALSE !(p6 != 0) [L112] COND TRUE p7 != 0 [L113] lk7 = 1 [L116] COND FALSE !(p8 != 0) [L120] COND FALSE !(p9 != 0) [L124] COND TRUE p10 != 0 [L125] lk10 = 1 [L128] COND FALSE !(p11 != 0) [L132] COND TRUE p12 != 0 [L133] lk12 = 1 [L136] COND FALSE !(p13 != 0) [L140] COND FALSE !(p14 != 0) VAL [lk10=1, lk11=0, lk12=1, lk13=0, lk14=0, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=1, lk8=0, lk9=0, p10=-1, p11=0, p12=-1, p13=0, p14=0, p1=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=-1, p8=0, p9=0] [L146] COND FALSE !(p1 != 0) VAL [lk10=1, lk11=0, lk12=1, lk13=0, lk14=0, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=1, lk8=0, lk9=0, p10=-1, p11=0, p12=-1, p13=0, p14=0, p1=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=-1, p8=0, p9=0] [L151] COND FALSE !(p2 != 0) VAL [lk10=1, lk11=0, lk12=1, lk13=0, lk14=0, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=1, lk8=0, lk9=0, p10=-1, p11=0, p12=-1, p13=0, p14=0, p1=0, p3=0, p4=0, p5=0, p6=0, p7=-1, p8=0, p9=0] [L219] CALL reach_error() [L3] __assert_fail("0", "test_locks_14-2.c", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.62ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.52ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.63ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 440.37ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 49.1MB in the end (delta: 28.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 612.90ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 65.4MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 65.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:50:29,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/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_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_14-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b --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 32bit --witnessprinter.graph.data.programhash 75f53c568c86c59ddc62d2fd150ff0a5ed9b51ea17cada3ff1a95dec57d9167c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:50:31,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:50:31,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 04:50:31,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:50:31,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:50:31,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:50:31,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:50:31,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:50:31,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:50:31,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:50:31,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:50:31,363 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:50:31,363 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:50:31,363 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:50:31,364 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:50:31,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:50:31,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:50:31,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:50:31,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:50:31,365 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:50:31,365 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:31,365 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:50:31,365 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_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75f53c568c86c59ddc62d2fd150ff0a5ed9b51ea17cada3ff1a95dec57d9167c [2024-12-06 04:50:31,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:50:31,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:50:31,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:50:31,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:50:31,598 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:50:31,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/locks/test_locks_14-2.c [2024-12-06 04:50:34,257 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/data/1f5c6fcb3/6bfc76bfdb184b2f9b2083f5beccac90/FLAG6fb26453e [2024-12-06 04:50:34,429 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:50:34,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/sv-benchmarks/c/locks/test_locks_14-2.c [2024-12-06 04:50:34,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/data/1f5c6fcb3/6bfc76bfdb184b2f9b2083f5beccac90/FLAG6fb26453e [2024-12-06 04:50:34,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/data/1f5c6fcb3/6bfc76bfdb184b2f9b2083f5beccac90 [2024-12-06 04:50:34,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:50:34,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:50:34,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:50:34,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:50:34,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:50:34,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72711422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34, skipping insertion in model container [2024-12-06 04:50:34,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:50:34,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:50:34,646 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:50:34,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:50:34,684 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:50:34,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34 WrapperNode [2024-12-06 04:50:34,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:50:34,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:50:34,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:50:34,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:50:34,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,719 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 183 [2024-12-06 04:50:34,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:50:34,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:50:34,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:50:34,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:50:34,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,734 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:50:34,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:50:34,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:50:34,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:50:34,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:50:34" (1/1) ... [2024-12-06 04:50:34,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:50:34,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:50:34,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:50:34,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:50:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:50:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:50:34,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:50:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:50:34,865 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:50:34,867 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:50:35,109 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-12-06 04:50:35,109 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:50:35,230 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:50:35,230 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:50:35,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:50:35 BoogieIcfgContainer [2024-12-06 04:50:35,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:50:35,231 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:50:35,231 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:50:35,241 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:50:35,241 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:50:35" (1/1) ... [2024-12-06 04:50:35,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:50:35,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:35,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2024-12-06 04:50:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2024-12-06 04:50:35,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:50:35,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:35,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:35,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:35,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:35,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:50:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:35,363 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:35,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:50:35,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:50:35,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:50:35,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2024-12-06 04:50:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2024-12-06 04:50:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:50:35,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:35,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:35,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:35,415 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:35,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:50:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:35,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:35,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 04:50:35,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:50:35,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:50:35,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2024-12-06 04:50:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2024-12-06 04:50:35,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:50:35,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:35,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:35,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:35,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:35,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:50:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:35,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:35,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:50:35,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:50:35,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:50:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:35,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2024-12-06 04:50:35,764 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2024-12-06 04:50:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:50:35,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:35,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:35,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:35,766 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:35,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:50:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:50:35,819 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:50:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:50:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:50:35,887 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:50:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:50:35,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:50:35,918 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-06 04:50:35,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:50:35 ImpRootNode [2024-12-06 04:50:35,942 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:50:35,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:50:35,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:50:35,942 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:50:35,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:50:35" (3/4) ... [2024-12-06 04:50:35,944 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:50:35,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:50:35,946 INFO L158 Benchmark]: Toolchain (without parser) took 1489.57ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 50.8MB in the end (delta: 18.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-06 04:50:35,946 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:50:35,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.67ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 57.3MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:50:35,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.63ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 55.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:50:35,947 INFO L158 Benchmark]: Boogie Preprocessor took 23.23ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 54.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:50:35,948 INFO L158 Benchmark]: RCFGBuilder took 486.57ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 48.2MB in the end (delta: 6.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 04:50:35,948 INFO L158 Benchmark]: CodeCheck took 710.48ms. Allocated memory is still 92.3MB. Free memory was 48.2MB in the beginning and 51.4MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:50:35,948 INFO L158 Benchmark]: Witness Printer took 3.02ms. Allocated memory is still 92.3MB. Free memory was 51.4MB in the beginning and 50.8MB in the end (delta: 558.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:50:35,950 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, 38 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 44 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 1 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 3]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 3. Possible FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 [L88] COND FALSE !(p1 != 0) [L92] COND FALSE !(p2 != 0) [L96] COND TRUE p3 != 0 [L97] lk3 = 1 [L100] COND FALSE !(p4 != 0) [L104] COND FALSE !(p5 != 0) [L108] COND TRUE p6 != 0 [L109] lk6 = 1 [L112] COND FALSE !(p7 != 0) [L116] COND TRUE p8 != 0 [L117] lk8 = 1 [L120] COND FALSE !(p9 != 0) [L124] COND FALSE !(p10 != 0) [L128] COND FALSE !(p11 != 0) [L132] COND FALSE !(p12 != 0) [L136] COND TRUE p13 != 0 [L137] lk13 = 1 [L140] COND FALSE !(p14 != 0) VAL [lk10=0, lk11=0, lk12=0, lk13=1, lk14=0, lk1=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=1, lk7=0, lk8=1, lk9=0, p10=0, p11=0, p12=0, p13=1, p14=0, p1=0, p2=0, p3=1, p4=0, p5=0, p6=1, p7=0, p8=1, p9=0] [L146] COND FALSE !(p1 != 0) VAL [lk10=0, lk11=0, lk12=0, lk13=1, lk14=0, lk1=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=1, lk7=0, lk8=1, lk9=0, p10=0, p11=0, p12=0, p13=1, p14=0, p1=0, p2=0, p3=1, p4=0, p5=0, p6=1, p7=0, p8=1, p9=0] [L151] COND FALSE !(p2 != 0) VAL [lk10=0, lk11=0, lk12=0, lk13=1, lk14=0, lk1=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=1, lk7=0, lk8=1, lk9=0, p10=0, p11=0, p12=0, p13=1, p14=0, p1=0, p3=1, p4=0, p5=0, p6=1, p7=0, p8=1, p9=0] [L219] CALL reach_error() [L3] __assert_fail("0", "test_locks_14-2.c", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.67ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 57.3MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.63ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 55.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.23ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 54.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 486.57ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 48.2MB in the end (delta: 6.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * CodeCheck took 710.48ms. Allocated memory is still 92.3MB. Free memory was 48.2MB in the beginning and 51.4MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.02ms. Allocated memory is still 92.3MB. Free memory was 51.4MB in the beginning and 50.8MB in the end (delta: 558.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:50:35,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c7c9e8-b889-4a16-b9dc-3f335136f8ce/bin/ukojak-verify-CZk0znPC7b/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