./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_15-1.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_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/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_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/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_7f3d89b1-f24c-4fbd-9099-df675d09ec32/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 11a9c91fdf6b42598924d9a4ae5a3db9994a05118a3b564c2bd29b9bad4177b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:43,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:43,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:43:43,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:43:43,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:43:44,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:44,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:44,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:44,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:44,043 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:43:44,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:43:44,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:43:44,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:44,046 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:43:44,047 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:43:44,047 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:43:44,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:44,048 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:43:44,049 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:43:44,049 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:44,049 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:44,050 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:44,050 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:44,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:44,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:44,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:44,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:44,053 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:43:44,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:43:44,054 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_7f3d89b1-f24c-4fbd-9099-df675d09ec32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11a9c91fdf6b42598924d9a4ae5a3db9994a05118a3b564c2bd29b9bad4177b0 [2023-11-19 03:43:44,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:44,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:44,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:44,477 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:44,478 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:44,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/locks/test_locks_15-1.c [2023-11-19 03:43:47,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:47,939 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:47,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/sv-benchmarks/c/locks/test_locks_15-1.c [2023-11-19 03:43:47,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/data/c2a86c19b/630f928687b54b969ea03239fa87349b/FLAG8e2ffa802 [2023-11-19 03:43:47,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/data/c2a86c19b/630f928687b54b969ea03239fa87349b [2023-11-19 03:43:47,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:47,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:47,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:47,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:47,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:47,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:47,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43806b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47, skipping insertion in model container [2023-11-19 03:43:47,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:48,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:48,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:48,193 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:48,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:48,238 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:48,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:48 WrapperNode [2023-11-19 03:43:48,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:48,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:48,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:48,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:48,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:48" (1/1) ... [2023-11-19 03:43:48,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:48" (1/1) ... [2023-11-19 03:43:48,308 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 211 [2023-11-19 03:43:48,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:48,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:48,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:48,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:48,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:48" (1/1) ... [2023-11-19 03:43:48,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:48" (1/1) ... [2023-11-19 03:43:48,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:48" (1/1) ... [2023-11-19 03:43:48,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:48" (1/1) ... [2023-11-19 03:43:48,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:48" (1/1) ... [2023-11-19 03:43:48,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:48" (1/1) ... [2023-11-19 03:43:48,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:48" (1/1) ... [2023-11-19 03:43:48,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:48" (1/1) ... [2023-11-19 03:43:48,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:48,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:48,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:48,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:48,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:48" (1/1) ... [2023-11-19 03:43:48,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:48,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:48,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:48,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:43:48,585 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:48,603 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:48,914 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:49,102 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:49,102 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:43:49,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:49 BoogieIcfgContainer [2023-11-19 03:43:49,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:49,109 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:49,109 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:49,119 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:49,120 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:49" (1/1) ... [2023-11-19 03:43:49,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:43:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2023-11-19 03:43:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2023-11-19 03:43:49,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:43:49,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:49,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:49,404 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 03:43:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2023-11-19 03:43:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2023-11-19 03:43:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:43:49,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:49,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:49,581 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 03:43:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2023-11-19 03:43:49,615 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2023-11-19 03:43:49,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:43:49,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:49,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:43:49,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:43:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:43:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:43:49,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:43:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:43:49,760 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 03:43:49,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:43:49 ImpRootNode [2023-11-19 03:43:49,797 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:43:49,798 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:43:49,798 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:43:49,799 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:43:49,799 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:49" (3/4) ... [2023-11-19 03:43:49,802 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:43:49,803 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:43:49,804 INFO L158 Benchmark]: Toolchain (without parser) took 1834.01ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 71.0MB in the end (delta: 50.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-19 03:43:49,805 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:49,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.68ms. Allocated memory is still 155.2MB. Free memory was 120.5MB in the beginning and 109.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:43:49,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.63ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 106.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:43:49,807 INFO L158 Benchmark]: Boogie Preprocessor took 63.95ms. Allocated memory is still 155.2MB. Free memory was 106.9MB in the beginning and 105.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:49,808 INFO L158 Benchmark]: RCFGBuilder took 734.13ms. Allocated memory is still 155.2MB. Free memory was 105.4MB in the beginning and 98.3MB in the end (delta: 7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:43:49,808 INFO L158 Benchmark]: CodeCheck took 688.65ms. Allocated memory is still 155.2MB. Free memory was 98.3MB in the beginning and 71.8MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:43:49,809 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 155.2MB. Free memory was 71.8MB in the beginning and 71.0MB in the end (delta: 791.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:49,813 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, 40 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 18 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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; [L50] int p15 = __VERIFIER_nondet_int(); [L51] int lk15; [L54] int cond; VAL [p10=-1, p11=0, p12=-1, p13=-1, p14=-1, p15=0, p1=0, p2=0, p3=0, p4=-1, p5=-1, p6=0, p7=-1, p8=0, p9=-1] [L56] COND TRUE 1 [L57] cond = __VERIFIER_nondet_int() [L58] COND FALSE !(cond == 0) [L61] lk1 = 0 [L63] lk2 = 0 [L65] lk3 = 0 [L67] lk4 = 0 [L69] lk5 = 0 [L71] lk6 = 0 [L73] lk7 = 0 [L75] lk8 = 0 [L77] lk9 = 0 [L79] lk10 = 0 [L81] lk11 = 0 [L83] lk12 = 0 [L85] lk13 = 0 [L87] lk14 = 0 [L89] lk15 = 0 [L93] COND FALSE !(p1 != 0) [L97] COND FALSE !(p2 != 0) [L101] COND FALSE !(p3 != 0) [L105] COND TRUE p4 != 0 [L106] lk4 = 1 [L109] COND TRUE p5 != 0 [L110] lk5 = 1 [L113] COND FALSE !(p6 != 0) [L117] COND TRUE p7 != 0 [L118] lk7 = 1 [L121] COND FALSE !(p8 != 0) [L125] COND TRUE p9 != 0 [L126] lk9 = 1 [L129] COND TRUE p10 != 0 [L130] lk10 = 1 [L133] COND FALSE !(p11 != 0) [L137] COND TRUE p12 != 0 [L138] lk12 = 1 [L141] COND TRUE p13 != 0 [L142] lk13 = 1 [L145] COND TRUE p14 != 0 [L146] lk14 = 1 [L149] COND FALSE !(p15 != 0) VAL [cond=-1, lk10=1, lk11=0, lk12=1, lk13=1, lk14=1, lk15=0, lk1=0, lk2=0, lk3=0, lk4=1, lk5=1, lk6=0, lk7=1, lk8=0, lk9=1, p10=-1, p11=0, p12=-1, p13=-1, p14=-1, p15=0, p1=0, p2=0, p3=0, p4=-1, p5=-1, p6=0, p7=-1, p8=0, p9=-1] [L155] COND FALSE !(p1 != 0) VAL [cond=-1, lk10=1, lk11=0, lk12=1, lk13=1, lk14=1, lk15=0, lk1=0, lk2=0, lk3=0, lk4=1, lk5=1, lk6=0, lk7=1, lk8=0, lk9=1, p10=-1, p11=0, p12=-1, p13=-1, p14=-1, p15=0, p1=0, p2=0, p3=0, p4=-1, p5=-1, p6=0, p7=-1, p8=0, p9=-1] [L160] COND FALSE !(p2 != 0) VAL [cond=-1, lk10=1, lk11=0, lk12=1, lk13=1, lk14=1, lk15=0, lk1=0, lk2=0, lk3=0, lk4=1, lk5=1, lk6=0, lk7=1, lk8=0, lk9=1, p10=-1, p11=0, p12=-1, p13=-1, p14=-1, p15=0, p1=0, p2=0, p3=0, p4=-1, p5=-1, p6=0, p7=-1, p8=0, p9=-1] [L233] CALL reach_error() [L3] __assert_fail("0", "test_locks_15-1.c", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.68ms. Allocated memory is still 155.2MB. Free memory was 120.5MB in the beginning and 109.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.63ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 106.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.95ms. Allocated memory is still 155.2MB. Free memory was 106.9MB in the beginning and 105.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 734.13ms. Allocated memory is still 155.2MB. Free memory was 105.4MB in the beginning and 98.3MB in the end (delta: 7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 688.65ms. Allocated memory is still 155.2MB. Free memory was 98.3MB in the beginning and 71.8MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 155.2MB. Free memory was 71.8MB in the beginning and 71.0MB in the end (delta: 791.2kB). 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 03:43:49,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/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_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/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_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/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_7f3d89b1-f24c-4fbd-9099-df675d09ec32/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 11a9c91fdf6b42598924d9a4ae5a3db9994a05118a3b564c2bd29b9bad4177b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:52,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:52,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:43:52,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:52,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:52,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:52,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:52,770 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:43:52,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:43:52,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:43:52,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:52,778 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:43:52,778 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:43:52,780 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:43:52,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:52,781 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:43:52,782 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:43:52,782 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:43:52,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:43:52,783 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:43:52,784 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:52,784 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:52,785 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:52,785 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:52,786 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:43:52,786 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:43:52,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:52,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:52,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:52,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:52,791 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:43:52,791 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:43:52,791 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:43:52,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:43:52,792 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_7f3d89b1-f24c-4fbd-9099-df675d09ec32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11a9c91fdf6b42598924d9a4ae5a3db9994a05118a3b564c2bd29b9bad4177b0 [2023-11-19 03:43:53,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:53,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:53,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:53,283 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:53,283 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:53,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/locks/test_locks_15-1.c [2023-11-19 03:43:56,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:56,795 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:56,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/sv-benchmarks/c/locks/test_locks_15-1.c [2023-11-19 03:43:56,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/data/2a021c77e/a3e2177c8ca54032a3a04874dcca1ce8/FLAGaa6c6cb10 [2023-11-19 03:43:56,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/data/2a021c77e/a3e2177c8ca54032a3a04874dcca1ce8 [2023-11-19 03:43:56,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:56,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:56,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:56,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:56,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:56,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b9d07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56, skipping insertion in model container [2023-11-19 03:43:56,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:57,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:57,104 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:57,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:57,156 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:57,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:57 WrapperNode [2023-11-19 03:43:57,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:57,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:57,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:57,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:57,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:57" (1/1) ... [2023-11-19 03:43:57,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:57" (1/1) ... [2023-11-19 03:43:57,207 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2023-11-19 03:43:57,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:57,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:57,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:57,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:57,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:57" (1/1) ... [2023-11-19 03:43:57,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:57" (1/1) ... [2023-11-19 03:43:57,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:57" (1/1) ... [2023-11-19 03:43:57,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:57" (1/1) ... [2023-11-19 03:43:57,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:57" (1/1) ... [2023-11-19 03:43:57,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:57" (1/1) ... [2023-11-19 03:43:57,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:57" (1/1) ... [2023-11-19 03:43:57,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:57" (1/1) ... [2023-11-19 03:43:57,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:57,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:57,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:57,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:57,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:57" (1/1) ... [2023-11-19 03:43:57,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:57,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:57,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:57,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:43:57,468 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:57,471 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:57,888 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:58,087 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:58,087 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:43:58,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:58 BoogieIcfgContainer [2023-11-19 03:43:58,092 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:58,094 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:58,094 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:58,103 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:58,104 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:43:58,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:58,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2023-11-19 03:43:58,189 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2023-11-19 03:43:58,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:43:58,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:58,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:43:58,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:43:58,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:43:58,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:43:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:58,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:43:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:58,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:43:58,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:58,363 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 03:43:58,369 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:43:58,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:43:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2023-11-19 03:43:58,395 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2023-11-19 03:43:58,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:43:58,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:58,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:43:58,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:43:58,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:43:58,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:43:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:58,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:43:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:58,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:43:58,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:58,524 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 03:43:58,525 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:43:58,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:43:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2023-11-19 03:43:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2023-11-19 03:43:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:43:58,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:58,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:43:58,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:43:58,573 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:43:58,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:43:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:43:58,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:43:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:43:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:43:58,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:43:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:43:58,799 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:43:58,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:43:58,806 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 03:43:58,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:43:58 ImpRootNode [2023-11-19 03:43:58,841 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:43:58,842 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:43:58,842 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:43:58,842 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:43:58,843 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:58" (3/4) ... [2023-11-19 03:43:58,845 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:43:58,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:43:58,847 INFO L158 Benchmark]: Toolchain (without parser) took 2018.64ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 68.6MB in the beginning and 77.4MB in the end (delta: -8.9MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-19 03:43:58,848 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 92.3MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:58,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.55ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 56.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:43:58,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.35ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 54.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:43:58,850 INFO L158 Benchmark]: Boogie Preprocessor took 35.59ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 52.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:58,851 INFO L158 Benchmark]: RCFGBuilder took 847.71ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 41.8MB in the end (delta: 10.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-19 03:43:58,851 INFO L158 Benchmark]: CodeCheck took 747.86ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 41.4MB in the beginning and 78.0MB in the end (delta: -36.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:58,852 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 123.7MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:58,855 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, 40 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 18 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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; [L50] int p15 = __VERIFIER_nondet_int(); [L51] int lk15; [L54] int cond; [L56] COND TRUE 1 [L57] cond = __VERIFIER_nondet_int() [L58] COND FALSE !(cond == 0) [L61] lk1 = 0 [L63] lk2 = 0 [L65] lk3 = 0 [L67] lk4 = 0 [L69] lk5 = 0 [L71] lk6 = 0 [L73] lk7 = 0 [L75] lk8 = 0 [L77] lk9 = 0 [L79] lk10 = 0 [L81] lk11 = 0 [L83] lk12 = 0 [L85] lk13 = 0 [L87] lk14 = 0 [L89] lk15 = 0 [L93] COND FALSE !(p1 != 0) [L97] COND FALSE !(p2 != 0) [L101] COND TRUE p3 != 0 [L102] lk3 = 1 [L105] COND FALSE !(p4 != 0) [L109] COND FALSE !(p5 != 0) [L113] COND TRUE p6 != 0 [L114] lk6 = 1 [L117] COND FALSE !(p7 != 0) [L121] COND FALSE !(p8 != 0) [L125] COND TRUE p9 != 0 [L126] lk9 = 1 [L129] COND FALSE !(p10 != 0) [L133] COND TRUE p11 != 0 [L134] lk11 = 1 [L137] COND TRUE p12 != 0 [L138] lk12 = 1 [L141] COND FALSE !(p13 != 0) [L145] COND TRUE p14 != 0 [L146] lk14 = 1 [L149] COND TRUE p15 != 0 [L150] lk15 = 1 VAL [cond=1, lk10=0, lk11=1, lk12=1, lk13=0, lk14=1, lk15=1, lk1=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=1, lk7=0, lk8=0, lk9=1, p10=0, p11=1, p12=1, p13=0, p14=1, p15=1, p1=0, p2=0, p3=1, p4=0, p5=0, p6=1, p7=0, p8=0, p9=1] [L155] COND FALSE !(p1 != 0) VAL [cond=1, lk10=0, lk11=1, lk12=1, lk13=0, lk14=1, lk15=1, lk1=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=1, lk7=0, lk8=0, lk9=1, p10=0, p11=1, p12=1, p13=0, p14=1, p15=1, p1=0, p2=0, p3=1, p4=0, p5=0, p6=1, p7=0, p8=0, p9=1] [L160] COND FALSE !(p2 != 0) VAL [cond=1, lk10=0, lk11=1, lk12=1, lk13=0, lk14=1, lk15=1, lk1=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=1, lk7=0, lk8=0, lk9=1, p10=0, p11=1, p12=1, p13=0, p14=1, p15=1, p1=0, p2=0, p3=1, p4=0, p5=0, p6=1, p7=0, p8=0, p9=1] [L233] CALL reach_error() [L3] __assert_fail("0", "test_locks_15-1.c", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 92.3MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.55ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 56.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.35ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 54.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.59ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 52.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 847.71ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 41.8MB in the end (delta: 10.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * CodeCheck took 747.86ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 41.4MB in the beginning and 78.0MB in the end (delta: -36.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 123.7MB. Free memory is still 77.4MB. 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 03:43:58,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3d89b1-f24c-4fbd-9099-df675d09ec32/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