./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/18_read_write_lock-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/18_read_write_lock-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 640f2537ee1134d51aea0c08ed10cc1d89c2a65b937ff07b07bc614e0b9289fc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:23:50,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:23:50,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-12-02 20:23:50,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:23:50,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:23:50,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:23:50,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:23:50,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:23:50,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:23:50,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:23:50,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:23:50,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:23:50,487 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:23:50,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:23:50,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:23:50,488 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:23:50,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:23:50,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:23:50,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:23:50,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:23:50,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:23:50,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:23:50,492 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:23:50,492 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:23:50,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:23:50,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:23:50,494 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:23:50,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:23:50,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:23:50,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:23:50,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:23:50,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:23:50,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:23:50,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:23:50,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:23:50,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:23:50,498 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-12-02 20:23:50,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:23:50,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:23:50,498 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:23:50,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:23:50,499 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:23:50,499 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:23:50,499 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:23:50,500 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_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 640f2537ee1134d51aea0c08ed10cc1d89c2a65b937ff07b07bc614e0b9289fc [2023-12-02 20:23:50,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:23:50,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:23:50,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:23:50,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:23:50,747 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:23:50,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/pthread-ext/18_read_write_lock-pthread.i [2023-12-02 20:23:53,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:23:53,806 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:23:53,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/sv-benchmarks/c/pthread-ext/18_read_write_lock-pthread.i [2023-12-02 20:23:53,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/data/2e14c4dd4/a678756cf9c145028ddc512029d62891/FLAG76090b647 [2023-12-02 20:23:53,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/data/2e14c4dd4/a678756cf9c145028ddc512029d62891 [2023-12-02 20:23:53,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:23:53,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:23:53,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:23:53,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:23:53,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:23:53,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:23:53" (1/1) ... [2023-12-02 20:23:53,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e473056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:53, skipping insertion in model container [2023-12-02 20:23:53,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:23:53" (1/1) ... [2023-12-02 20:23:53,897 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:23:54,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:23:54,169 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:23:54,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:23:54,239 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:23:54,239 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:23:54,246 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:23:54,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54 WrapperNode [2023-12-02 20:23:54,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:23:54,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:23:54,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:23:54,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:23:54,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54" (1/1) ... [2023-12-02 20:23:54,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54" (1/1) ... [2023-12-02 20:23:54,288 INFO L138 Inliner]: procedures = 166, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-12-02 20:23:54,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:23:54,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:23:54,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:23:54,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:23:54,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54" (1/1) ... [2023-12-02 20:23:54,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54" (1/1) ... [2023-12-02 20:23:54,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54" (1/1) ... [2023-12-02 20:23:54,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54" (1/1) ... [2023-12-02 20:23:54,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54" (1/1) ... [2023-12-02 20:23:54,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54" (1/1) ... [2023-12-02 20:23:54,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54" (1/1) ... [2023-12-02 20:23:54,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54" (1/1) ... [2023-12-02 20:23:54,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:23:54,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:23:54,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:23:54,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:23:54,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54" (1/1) ... [2023-12-02 20:23:54,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:23:54,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:23:54,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:23:54,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:23:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2023-12-02 20:23:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-12-02 20:23:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-12-02 20:23:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:23:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2023-12-02 20:23:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:23:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:23:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:23:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2023-12-02 20:23:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:23:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:23:54,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:23:54,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:23:54,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:23:54,385 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:23:54,503 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:23:54,505 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:23:54,658 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:23:54,798 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:23:54,798 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:23:54,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:23:54 BoogieIcfgContainer [2023-12-02 20:23:54,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:23:54,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:23:54,802 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:23:54,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:23:54,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:23:53" (1/3) ... [2023-12-02 20:23:54,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d25cc15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:23:54, skipping insertion in model container [2023-12-02 20:23:54,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:23:54" (2/3) ... [2023-12-02 20:23:54,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d25cc15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:23:54, skipping insertion in model container [2023-12-02 20:23:54,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:23:54" (3/3) ... [2023-12-02 20:23:54,809 INFO L112 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock-pthread.i [2023-12-02 20:23:54,818 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:23:54,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:23:54,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-12-02 20:23:54,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d25cc15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:23:54, skipping insertion in model container [2023-12-02 20:23:54,830 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 20:23:54,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:23:54,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:23:54,832 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:23:54,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:23:54" (3/3) ... [2023-12-02 20:23:54,835 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 20:23:54,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-12-02 20:23:54,843 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-12-02 20:23:54,843 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-02 20:23:54,843 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 20:23:54,844 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 20:23:54,930 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/witness.graphml [2023-12-02 20:23:54,930 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/witness.yml [2023-12-02 20:23:54,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:23:54,932 INFO L158 Benchmark]: Toolchain (without parser) took 1091.86ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 91.1MB in the beginning and 117.9MB in the end (delta: -26.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-12-02 20:23:54,933 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:23:54,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.65ms. Allocated memory is still 130.0MB. Free memory was 90.7MB in the beginning and 70.9MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 20:23:54,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.30ms. Allocated memory is still 130.0MB. Free memory was 70.9MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:23:54,935 INFO L158 Benchmark]: Boogie Preprocessor took 25.01ms. Allocated memory is still 130.0MB. Free memory was 68.9MB in the beginning and 67.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:23:54,935 INFO L158 Benchmark]: RCFGBuilder took 484.47ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 67.6MB in the beginning and 125.1MB in the end (delta: -57.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-12-02 20:23:54,936 INFO L158 Benchmark]: TraceAbstraction took 28.61ms. Allocated memory is still 169.9MB. Free memory was 125.1MB in the beginning and 122.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:23:54,936 INFO L158 Benchmark]: Witness Printer took 99.21ms. Allocated memory is still 169.9MB. Free memory was 122.7MB in the beginning and 117.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 20:23:54,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.65ms. Allocated memory is still 130.0MB. Free memory was 90.7MB in the beginning and 70.9MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.30ms. Allocated memory is still 130.0MB. Free memory was 70.9MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.01ms. Allocated memory is still 130.0MB. Free memory was 68.9MB in the beginning and 67.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.47ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 67.6MB in the beginning and 125.1MB in the end (delta: -57.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * TraceAbstraction took 28.61ms. Allocated memory is still 169.9MB. Free memory was 125.1MB in the beginning and 122.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 99.21ms. Allocated memory is still 169.9MB. Free memory was 122.7MB in the beginning and 117.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-12-02 20:23:54,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11034a2b-f46d-47f6-860d-fee7b444ad80/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE