./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_14-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:24:46,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:24:46,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:24:46,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:24:46,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:24:46,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:24:46,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:24:46,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:24:46,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:24:46,131 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:24:46,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:24:46,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:24:46,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:24:46,134 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:24:46,134 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:24:46,135 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:24:46,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:24:46,136 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:24:46,137 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:24:46,137 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:24:46,138 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:24:46,141 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:24:46,142 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:24:46,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:24:46,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:46,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:24:46,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:24:46,144 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:24:46,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:24:46,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75f53c568c86c59ddc62d2fd150ff0a5ed9b51ea17cada3ff1a95dec57d9167c [2023-11-19 03:24:46,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:24:46,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:24:46,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:24:46,501 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:24:46,501 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:24:46,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/locks/test_locks_14-2.c [2023-11-19 03:24:49,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:49,888 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:49,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/sv-benchmarks/c/locks/test_locks_14-2.c [2023-11-19 03:24:49,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/data/94e92ee25/f028b40b7eca4be3bd5d606b3854bcc1/FLAG2e36cc875 [2023-11-19 03:24:49,912 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/data/94e92ee25/f028b40b7eca4be3bd5d606b3854bcc1 [2023-11-19 03:24:49,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:49,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:49,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:49,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:49,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:49,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:49" (1/1) ... [2023-11-19 03:24:49,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396f75cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:49, skipping insertion in model container [2023-11-19 03:24:49,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:49" (1/1) ... [2023-11-19 03:24:49,954 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:50,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:50,163 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:50,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:50,217 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:50,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:50 WrapperNode [2023-11-19 03:24:50,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:50,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:50,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:50,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:50,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:50" (1/1) ... [2023-11-19 03:24:50,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:50" (1/1) ... [2023-11-19 03:24:50,268 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 199 [2023-11-19 03:24:50,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:50,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:50,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:50,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:50,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:50" (1/1) ... [2023-11-19 03:24:50,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:50" (1/1) ... [2023-11-19 03:24:50,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:50" (1/1) ... [2023-11-19 03:24:50,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:50" (1/1) ... [2023-11-19 03:24:50,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:50" (1/1) ... [2023-11-19 03:24:50,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:50" (1/1) ... [2023-11-19 03:24:50,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:50" (1/1) ... [2023-11-19 03:24:50,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:50" (1/1) ... [2023-11-19 03:24:50,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:50,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:50,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:50,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:50,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:50" (1/1) ... [2023-11-19 03:24:50,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:50,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:50,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:50,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:50,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:24:50,491 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:50,493 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:50,778 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:50,959 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:50,967 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:24:50,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:50 BoogieIcfgContainer [2023-11-19 03:24:50,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:24:50,974 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:24:50,975 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:24:50,986 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:24:50,987 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:50" (1/1) ... [2023-11-19 03:24:51,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:24:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2023-11-19 03:24:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2023-11-19 03:24:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:24:51,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:51,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:51,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:51,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2023-11-19 03:24:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2023-11-19 03:24:51,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:24:51,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:51,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2023-11-19 03:24:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2023-11-19 03:24:51,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:24:51,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:51,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:51,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2023-11-19 03:24:51,685 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2023-11-19 03:24:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:24:51,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:51,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:51,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:24:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:51,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:24:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:51,919 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-19 03:24:51,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:24:51 ImpRootNode [2023-11-19 03:24:51,974 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:24:51,975 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:24:51,975 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:24:51,975 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:24:51,976 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:50" (3/4) ... [2023-11-19 03:24:51,981 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:24:51,982 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:24:51,984 INFO L158 Benchmark]: Toolchain (without parser) took 2066.40ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 101.3MB in the beginning and 115.2MB in the end (delta: -13.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-11-19 03:24:51,984 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 146.8MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:51,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.85ms. Allocated memory is still 146.8MB. Free memory was 101.3MB in the beginning and 89.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:24:51,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.99ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:51,987 INFO L158 Benchmark]: Boogie Preprocessor took 31.38ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 86.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:51,988 INFO L158 Benchmark]: RCFGBuilder took 672.21ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 85.7MB in the beginning and 149.3MB in the end (delta: -63.5MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-19 03:24:51,993 INFO L158 Benchmark]: CodeCheck took 1000.09ms. Allocated memory is still 182.5MB. Free memory was 149.2MB in the beginning and 115.2MB in the end (delta: 34.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-19 03:24:51,994 INFO L158 Benchmark]: Witness Printer took 6.85ms. Allocated memory is still 182.5MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:52,001 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: 0.9s, 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, 0.3s 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 - 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=-1, p12=0, p13=0, p14=0, p1=0, p2=0, p3=0, p4=-1, p5=0, p6=-1, p7=0, p8=0, p9=0] [L53] COND TRUE 1 [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 TRUE p4 != 0 [L101] lk4 = 1 [L104] COND FALSE !(p5 != 0) [L108] COND TRUE p6 != 0 [L109] lk6 = 1 [L112] COND FALSE !(p7 != 0) [L116] COND FALSE !(p8 != 0) [L120] COND FALSE !(p9 != 0) [L124] COND TRUE p10 != 0 [L125] lk10 = 1 [L128] COND TRUE p11 != 0 [L129] lk11 = 1 [L132] COND FALSE !(p12 != 0) [L136] COND FALSE !(p13 != 0) [L140] COND FALSE !(p14 != 0) VAL [cond=-1, lk10=1, lk11=1, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=0, lk4=1, lk5=0, lk6=1, lk7=0, lk8=0, lk9=0, p10=-1, p11=-1, p12=0, p13=0, p14=0, p1=0, p2=0, p3=0, p4=-1, p5=0, p6=-1, p7=0, p8=0, p9=0] [L146] COND FALSE !(p1 != 0) VAL [cond=-1, lk10=1, lk11=1, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=0, lk4=1, lk5=0, lk6=1, lk7=0, lk8=0, lk9=0, p10=-1, p11=-1, p12=0, p13=0, p14=0, p1=0, p2=0, p3=0, p4=-1, p5=0, p6=-1, p7=0, p8=0, p9=0] [L151] COND FALSE !(p2 != 0) VAL [cond=-1, lk10=1, lk11=1, lk12=0, lk13=0, lk14=0, lk1=0, lk2=0, lk3=0, lk4=1, lk5=0, lk6=1, lk7=0, lk8=0, lk9=0, p10=-1, p11=-1, p12=0, p13=0, p14=0, p1=0, p2=0, p3=0, p4=-1, p5=0, p6=-1, p7=0, 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 146.8MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.85ms. Allocated memory is still 146.8MB. Free memory was 101.3MB in the beginning and 89.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.99ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.38ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 86.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.21ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 85.7MB in the beginning and 149.3MB in the end (delta: -63.5MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * CodeCheck took 1000.09ms. Allocated memory is still 182.5MB. Free memory was 149.2MB in the beginning and 115.2MB in the end (delta: 34.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Witness Printer took 6.85ms. Allocated memory is still 182.5MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:24:52,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_14-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:24:54,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:24:54,903 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:24:54,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:24:54,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:24:54,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:24:54,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:24:54,957 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:24:54,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:24:54,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:24:54,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:24:54,964 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:24:54,964 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:24:54,966 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:24:54,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:24:54,966 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:24:54,967 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:24:54,967 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:24:54,967 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:24:54,968 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:24:54,969 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:24:54,969 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:24:54,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:24:54,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:24:54,971 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:54,971 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:24:54,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:24:54,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:54,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:24:54,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:24:54,974 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:24:54,974 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:54,975 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:24:54,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:24:54,975 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75f53c568c86c59ddc62d2fd150ff0a5ed9b51ea17cada3ff1a95dec57d9167c [2023-11-19 03:24:55,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:24:55,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:24:55,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:24:55,428 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:24:55,428 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:24:55,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/locks/test_locks_14-2.c [2023-11-19 03:24:58,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:58,909 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:58,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/sv-benchmarks/c/locks/test_locks_14-2.c [2023-11-19 03:24:58,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/data/f6877e3d0/d4174880663f4ef1ba427630fe682fbf/FLAGa2dee5bb3 [2023-11-19 03:24:58,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/data/f6877e3d0/d4174880663f4ef1ba427630fe682fbf [2023-11-19 03:24:58,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:58,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:58,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:58,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:58,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:58,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:58" (1/1) ... [2023-11-19 03:24:58,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456fea0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:58, skipping insertion in model container [2023-11-19 03:24:58,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:58" (1/1) ... [2023-11-19 03:24:58,978 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:59,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:59,204 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:59,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:59,253 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:59,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:59 WrapperNode [2023-11-19 03:24:59,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:59,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:59,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:59,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:59,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:59" (1/1) ... [2023-11-19 03:24:59,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:59" (1/1) ... [2023-11-19 03:24:59,322 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 184 [2023-11-19 03:24:59,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:59,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:59,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:59,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:59,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:59" (1/1) ... [2023-11-19 03:24:59,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:59" (1/1) ... [2023-11-19 03:24:59,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:59" (1/1) ... [2023-11-19 03:24:59,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:59" (1/1) ... [2023-11-19 03:24:59,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:59" (1/1) ... [2023-11-19 03:24:59,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:59" (1/1) ... [2023-11-19 03:24:59,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:59" (1/1) ... [2023-11-19 03:24:59,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:59" (1/1) ... [2023-11-19 03:24:59,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:59,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:59,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:59,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:59,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:59" (1/1) ... [2023-11-19 03:24:59,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:59,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:59,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:59,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:24:59,670 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:59,673 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:25:00,057 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:25:00,327 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:25:00,327 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:25:00,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:00 BoogieIcfgContainer [2023-11-19 03:25:00,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:25:00,343 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:25:00,343 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:25:00,356 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:25:00,357 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:00" (1/1) ... [2023-11-19 03:25:00,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:25:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2023-11-19 03:25:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2023-11-19 03:25:00,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:25:00,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:00,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:00,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:25:00,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:25:00,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:25:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:00,562 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:25:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:00,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:25:00,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:00,605 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:25:00,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:25:00,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:00,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2023-11-19 03:25:00,642 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2023-11-19 03:25:00,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:25:00,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:00,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:00,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:25:00,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:25:00,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:25:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:00,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:25:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:00,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:25:00,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:00,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:00,807 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:25:00,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:25:00,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:00,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2023-11-19 03:25:00,865 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2023-11-19 03:25:00,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:25:00,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:00,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:00,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:25:00,871 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:25:00,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:25:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:00,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:25:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:01,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:25:01,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:01,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:01,162 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:25:01,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:25:01,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:01,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2023-11-19 03:25:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2023-11-19 03:25:01,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:25:01,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:01,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:01,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:25:01,294 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:25:01,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:25:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:01,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:25:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:01,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:25:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:01,554 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:25:01,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 03:25:01,563 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-19 03:25:01,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:25:01 ImpRootNode [2023-11-19 03:25:01,626 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:25:01,627 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:25:01,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:25:01,628 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:25:01,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:00" (3/4) ... [2023-11-19 03:25:01,634 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:25:01,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:25:01,637 INFO L158 Benchmark]: Toolchain (without parser) took 2692.93ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 47.3MB in the beginning and 51.7MB in the end (delta: -4.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-19 03:25:01,638 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:01,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.29ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 35.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:25:01,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.77ms. Allocated memory is still 71.3MB. Free memory was 35.0MB in the beginning and 33.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:25:01,643 INFO L158 Benchmark]: Boogie Preprocessor took 59.14ms. Allocated memory is still 71.3MB. Free memory was 33.1MB in the beginning and 31.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:01,650 INFO L158 Benchmark]: RCFGBuilder took 956.38ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 31.5MB in the beginning and 42.2MB in the end (delta: -10.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-19 03:25:01,651 INFO L158 Benchmark]: CodeCheck took 1283.93ms. Allocated memory is still 98.6MB. Free memory was 42.2MB in the beginning and 51.7MB in the end (delta: -9.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:01,651 INFO L158 Benchmark]: Witness Printer took 8.19ms. Allocated memory is still 98.6MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:01,661 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: 1.2s, 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, 0.2s 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 - 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; [L53] COND TRUE 1 [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 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 [cond=2, lk10=1, lk11=0, lk12=1, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, 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=1, p4=0, p5=0, p6=0, p7=1, p8=0, p9=0] [L146] COND FALSE !(p1 != 0) VAL [cond=2, lk10=1, lk11=0, lk12=1, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, 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=1, p4=0, p5=0, p6=0, p7=1, p8=0, p9=0] [L151] COND FALSE !(p2 != 0) VAL [cond=2, lk10=1, lk11=0, lk12=1, lk13=0, lk14=0, lk1=0, lk2=0, lk3=1, 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=1, 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 0.57ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.29ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 35.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.77ms. Allocated memory is still 71.3MB. Free memory was 35.0MB in the beginning and 33.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.14ms. Allocated memory is still 71.3MB. Free memory was 33.1MB in the beginning and 31.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 956.38ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 31.5MB in the beginning and 42.2MB in the end (delta: -10.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * CodeCheck took 1283.93ms. Allocated memory is still 98.6MB. Free memory was 42.2MB in the beginning and 51.7MB in the end (delta: -9.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.19ms. Allocated memory is still 98.6MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:25:01,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa46f57d-5cdd-4115-8f56-6b4e48b76fc3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample