./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_14-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-02 22:55:58,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:55:58,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 22:55:58,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:55:58,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:55:58,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:55:58,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:55:58,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:55:58,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:55:58,970 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:55:58,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:55:58,971 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:55:58,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:55:58,972 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 22:55:58,973 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 22:55:58,973 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 22:55:58,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:55:58,974 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:55:58,974 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:55:58,975 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:55:58,975 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:55:58,976 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:55:58,976 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:55:58,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:55:58,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:55:58,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:55:58,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:55:58,978 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:55:58,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:55:58,979 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_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75f53c568c86c59ddc62d2fd150ff0a5ed9b51ea17cada3ff1a95dec57d9167c [2023-12-02 22:55:59,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:55:59,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:55:59,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:55:59,246 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:55:59,246 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:55:59,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/locks/test_locks_14-2.c [2023-12-02 22:56:01,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:56:02,206 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:56:02,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/sv-benchmarks/c/locks/test_locks_14-2.c [2023-12-02 22:56:02,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/data/2144310fd/a8b9556f066f4cc5b95ad9cd3a16f3f0/FLAG90e437860 [2023-12-02 22:56:02,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/data/2144310fd/a8b9556f066f4cc5b95ad9cd3a16f3f0 [2023-12-02 22:56:02,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:56:02,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:56:02,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:56:02,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:56:02,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:56:02,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a2e19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02, skipping insertion in model container [2023-12-02 22:56:02,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:56:02,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:56:02,423 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:56:02,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:56:02,461 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:56:02,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02 WrapperNode [2023-12-02 22:56:02,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:56:02,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:56:02,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:56:02,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:56:02,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,497 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 199 [2023-12-02 22:56:02,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:56:02,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:56:02,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:56:02,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:56:02,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:56:02,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:56:02,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:56:02,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:56:02,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:02" (1/1) ... [2023-12-02 22:56:02,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:56:02,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:56:02,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:56:02,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:56:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:56:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:56:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:56:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:56:02,672 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:56:02,674 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:56:02,896 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:56:03,009 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:56:03,009 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:56:03,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:03 BoogieIcfgContainer [2023-12-02 22:56:03,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:56:03,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:56:03,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:56:03,022 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:56:03,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:03" (1/1) ... [2023-12-02 22:56:03,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:56:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2023-12-02 22:56:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2023-12-02 22:56:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:56:03,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:03,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2023-12-02 22:56:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2023-12-02 22:56:03,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 22:56:03,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:03,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:03,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:03,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:03,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2023-12-02 22:56:03,337 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2023-12-02 22:56:03,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:56:03,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:03,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:03,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:03,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2023-12-02 22:56:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2023-12-02 22:56:03,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:56:03,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:03,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:03,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:56:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:03,626 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:56:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:03,662 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-12-02 22:56:03,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:56:03 ImpRootNode [2023-12-02 22:56:03,696 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:56:03,696 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:56:03,696 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:56:03,697 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:56:03,697 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:03" (3/4) ... [2023-12-02 22:56:03,699 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:56:03,701 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:56:03,702 INFO L158 Benchmark]: Toolchain (without parser) took 1465.36ms. Allocated memory was 172.0MB in the beginning and 234.9MB in the end (delta: 62.9MB). Free memory was 138.3MB in the beginning and 190.3MB in the end (delta: -52.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-12-02 22:56:03,702 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 172.0MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:56:03,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.33ms. Allocated memory is still 172.0MB. Free memory was 138.3MB in the beginning and 126.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:56:03,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.27ms. Allocated memory is still 172.0MB. Free memory was 126.3MB in the beginning and 124.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:56:03,704 INFO L158 Benchmark]: Boogie Preprocessor took 26.17ms. Allocated memory is still 172.0MB. Free memory was 124.8MB in the beginning and 123.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:56:03,705 INFO L158 Benchmark]: RCFGBuilder took 485.72ms. Allocated memory is still 172.0MB. Free memory was 123.2MB in the beginning and 94.9MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 22:56:03,705 INFO L158 Benchmark]: CodeCheck took 684.14ms. Allocated memory was 172.0MB in the beginning and 234.9MB in the end (delta: 62.9MB). Free memory was 94.9MB in the beginning and 190.3MB in the end (delta: -95.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:56:03,706 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 234.9MB. Free memory is still 190.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:56:03,709 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 38 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 44 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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=0, p11=-1, p12=0, p13=-1, p14=-1, p1=0, p2=0, p3=0, p4=-1, p5=0, p6=0, p7=-1, 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 FALSE !(p6 != 0) [L112] COND TRUE p7 != 0 [L113] lk7 = 1 [L116] COND FALSE !(p8 != 0) [L120] COND FALSE !(p9 != 0) [L124] COND FALSE !(p10 != 0) [L128] COND TRUE p11 != 0 [L129] lk11 = 1 [L132] COND FALSE !(p12 != 0) [L136] COND TRUE p13 != 0 [L137] lk13 = 1 [L140] COND TRUE p14 != 0 [L141] lk14 = 1 VAL [cond=-1, lk10=0, lk11=1, lk12=0, lk13=1, lk14=1, lk1=0, lk2=0, lk3=0, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=0, p10=0, p11=-1, p12=0, p13=-1, p14=-1, p1=0, p2=0, p3=0, p4=-1, p5=0, p6=0, p7=-1, p8=0, p9=0] [L146] COND FALSE !(p1 != 0) VAL [cond=-1, lk10=0, lk11=1, lk12=0, lk13=1, lk14=1, lk1=0, lk2=0, lk3=0, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=0, p10=0, p11=-1, p12=0, p13=-1, p14=-1, p1=0, p2=0, p3=0, p4=-1, p5=0, p6=0, p7=-1, p8=0, p9=0] [L151] COND FALSE !(p2 != 0) VAL [cond=-1, lk10=0, lk11=1, lk12=0, lk13=1, lk14=1, lk1=0, lk2=0, lk3=0, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=0, p10=0, p11=-1, p12=0, p13=-1, p14=-1, p1=0, p2=0, p3=0, p4=-1, 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 0.27ms. Allocated memory is still 172.0MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.33ms. Allocated memory is still 172.0MB. Free memory was 138.3MB in the beginning and 126.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.27ms. Allocated memory is still 172.0MB. Free memory was 126.3MB in the beginning and 124.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.17ms. Allocated memory is still 172.0MB. Free memory was 124.8MB in the beginning and 123.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.72ms. Allocated memory is still 172.0MB. Free memory was 123.2MB in the beginning and 94.9MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 684.14ms. Allocated memory was 172.0MB in the beginning and 234.9MB in the end (delta: 62.9MB). Free memory was 94.9MB in the beginning and 190.3MB in the end (delta: -95.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 234.9MB. Free memory is still 190.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:56:03,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_14-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-02 22:56:05,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:56:05,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-02 22:56:05,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:56:05,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:56:05,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:56:05,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:56:05,833 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:56:05,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:56:05,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:56:05,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:56:05,835 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 22:56:05,836 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 22:56:05,836 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 22:56:05,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:56:05,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:56:05,838 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:56:05,838 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:56:05,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:56:05,839 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:56:05,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:56:05,840 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:56:05,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:56:05,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:56:05,842 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:05,842 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:56:05,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:56:05,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:56:05,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:56:05,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:56:05,844 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:56:05,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:05,845 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:56:05,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:56:05,846 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_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75f53c568c86c59ddc62d2fd150ff0a5ed9b51ea17cada3ff1a95dec57d9167c [2023-12-02 22:56:06,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:56:06,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:56:06,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:56:06,156 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:56:06,157 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:56:06,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/locks/test_locks_14-2.c [2023-12-02 22:56:08,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:56:09,176 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:56:09,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/sv-benchmarks/c/locks/test_locks_14-2.c [2023-12-02 22:56:09,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/data/a5269b650/d3c748956a624fc78f3424080853ce01/FLAG777c47b91 [2023-12-02 22:56:09,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/data/a5269b650/d3c748956a624fc78f3424080853ce01 [2023-12-02 22:56:09,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:56:09,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:56:09,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:56:09,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:56:09,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:56:09,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af5b511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09, skipping insertion in model container [2023-12-02 22:56:09,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,243 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:56:09,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:56:09,438 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:56:09,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:56:09,484 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:56:09,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09 WrapperNode [2023-12-02 22:56:09,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:56:09,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:56:09,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:56:09,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:56:09,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,529 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 184 [2023-12-02 22:56:09,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:56:09,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:56:09,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:56:09,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:56:09,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:56:09,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:56:09,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:56:09,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:56:09,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:09" (1/1) ... [2023-12-02 22:56:09,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:56:09,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:56:09,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:56:09,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:56:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:56:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:56:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:56:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:56:09,712 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:56:09,715 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:56:09,988 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:56:10,108 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:56:10,108 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:56:10,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:10 BoogieIcfgContainer [2023-12-02 22:56:10,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:56:10,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:56:10,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:56:10,121 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:56:10,121 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:10" (1/1) ... [2023-12-02 22:56:10,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:56:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2023-12-02 22:56:10,186 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2023-12-02 22:56:10,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:56:10,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:10,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:10,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:10,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:10,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:56:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:10,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:10,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:56:10,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:10,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:56:10,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:10,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2023-12-02 22:56:10,330 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2023-12-02 22:56:10,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 22:56:10,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:10,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:10,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:10,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:10,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:56:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:10,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:10,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:56:10,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:10,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:56:10,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:10,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2023-12-02 22:56:10,470 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2023-12-02 22:56:10,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:56:10,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:10,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:10,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:10,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:10,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:56:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:10,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:10,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:10,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:10,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 22:56:10,627 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:56:10,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2023-12-02 22:56:10,691 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2023-12-02 22:56:10,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:56:10,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:10,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:10,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:10,693 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:10,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:56:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:10,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:56:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:10,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:56:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:10,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:56:10,848 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-12-02 22:56:10,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:56:10 ImpRootNode [2023-12-02 22:56:10,876 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:56:10,877 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:56:10,877 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:56:10,877 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:56:10,877 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:10" (3/4) ... [2023-12-02 22:56:10,879 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:56:10,880 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:56:10,881 INFO L158 Benchmark]: Toolchain (without parser) took 1675.37ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 54.4MB in the end (delta: 31.1MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-12-02 22:56:10,881 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:56:10,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.21ms. Allocated memory is still 109.1MB. Free memory was 85.2MB in the beginning and 73.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:56:10,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.57ms. Allocated memory is still 109.1MB. Free memory was 73.2MB in the beginning and 71.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:56:10,883 INFO L158 Benchmark]: Boogie Preprocessor took 32.18ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 69.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:56:10,883 INFO L158 Benchmark]: RCFGBuilder took 547.16ms. Allocated memory is still 109.1MB. Free memory was 69.6MB in the beginning and 61.6MB in the end (delta: 8.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-12-02 22:56:10,884 INFO L158 Benchmark]: CodeCheck took 765.19ms. Allocated memory is still 109.1MB. Free memory was 61.1MB in the beginning and 54.9MB in the end (delta: 6.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-12-02 22:56:10,885 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 109.1MB. Free memory was 54.9MB in the beginning and 54.4MB in the end (delta: 534.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:56:10,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 38 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 44 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 1 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 TRUE p6 != 0 [L109] lk6 = 1 [L112] COND FALSE !(p7 != 0) [L116] COND FALSE !(p8 != 0) [L120] COND TRUE p9 != 0 [L121] lk9 = 1 [L124] COND FALSE !(p10 != 0) [L128] COND TRUE p11 != 0 [L129] lk11 = 1 [L132] COND TRUE p12 != 0 [L133] lk12 = 1 [L136] COND FALSE !(p13 != 0) [L140] COND FALSE !(p14 != 0) VAL [cond=1, lk10=0, lk11=1, lk12=1, lk13=0, lk14=0, 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=0, p1=0, p2=0, p3=1, p4=0, p5=0, p6=1, p7=0, p8=0, p9=1] [L146] COND FALSE !(p1 != 0) VAL [cond=1, lk10=0, lk11=1, lk12=1, lk13=0, lk14=0, 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=0, p1=0, p2=0, p3=1, p4=0, p5=0, p6=1, p7=0, p8=0, p9=1] [L151] COND FALSE !(p2 != 0) VAL [cond=1, lk10=0, lk11=1, lk12=1, lk13=0, lk14=0, 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=0, p1=0, p2=0, p3=1, p4=0, p5=0, p6=1, p7=0, p8=0, p9=1] [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 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.21ms. Allocated memory is still 109.1MB. Free memory was 85.2MB in the beginning and 73.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.57ms. Allocated memory is still 109.1MB. Free memory was 73.2MB in the beginning and 71.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.18ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 69.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.16ms. Allocated memory is still 109.1MB. Free memory was 69.6MB in the beginning and 61.6MB in the end (delta: 8.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 765.19ms. Allocated memory is still 109.1MB. Free memory was 61.1MB in the beginning and 54.9MB in the end (delta: 6.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 109.1MB. Free memory was 54.9MB in the beginning and 54.4MB in the end (delta: 534.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:56:10,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46f3f3f-e519-48ef-abaf-13584912baa9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample