./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/18_read_write_lock.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/18_read_write_lock.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 18:08:38,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 18:08:39,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 18:08:39,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 18:08:39,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 18:08:39,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 18:08:39,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 18:08:39,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 18:08:39,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 18:08:39,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 18:08:39,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 18:08:39,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 18:08:39,122 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 18:08:39,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 18:08:39,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 18:08:39,125 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 18:08:39,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 18:08:39,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 18:08:39,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 18:08:39,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 18:08:39,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 18:08:39,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 18:08:39,130 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 18:08:39,130 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 18:08:39,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 18:08:39,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 18:08:39,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 18:08:39,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 18:08:39,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 18:08:39,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 18:08:39,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 18:08:39,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 18:08:39,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 18:08:39,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 18:08:39,132 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 18:08:39,133 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 18:08:39,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 18:08:39,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 18:08:39,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 18:08:39,137 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 18:08:39,137 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 18:08:39,138 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 18:08:39,138 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:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-13 18:08:39,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 18:08:39,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 18:08:39,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 18:08:39,437 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 18:08:39,438 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 18:08:39,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/18_read_write_lock.yml/witness.yml [2024-08-13 18:08:39,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 18:08:39,579 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 18:08:39,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2024-08-13 18:08:41,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 18:08:41,320 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 18:08:41,320 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2024-08-13 18:08:41,339 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/462dc4d7d/bc625ecc73e540efbac38a999316892c/FLAG3753942c0 [2024-08-13 18:08:41,353 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/462dc4d7d/bc625ecc73e540efbac38a999316892c [2024-08-13 18:08:41,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 18:08:41,355 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 18:08:41,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 18:08:41,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 18:08:41,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 18:08:41,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 06:08:39" (1/2) ... [2024-08-13 18:08:41,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd89172 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 06:08:41, skipping insertion in model container [2024-08-13 18:08:41,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 06:08:39" (1/2) ... [2024-08-13 18:08:41,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2185ba4b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 06:08:41, skipping insertion in model container [2024-08-13 18:08:41,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 06:08:41" (2/2) ... [2024-08-13 18:08:41,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd89172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41, skipping insertion in model container [2024-08-13 18:08:41,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 06:08:41" (2/2) ... [2024-08-13 18:08:41,364 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 18:08:41,397 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 18:08:41,401 INFO L97 edCorrectnessWitness]: Location invariant before [L751-L751] (((! multithreaded || (x == 0 || x == 3)) && (! multithreaded || (y == 0 || y == 3))) && (! multithreaded || (w == 0 || w == 1))) && (! multithreaded || ((w == 0 || w == 1) && (y == 0 || y == 3))) [2024-08-13 18:08:41,402 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 18:08:41,402 INFO L106 edCorrectnessWitness]: ghost_update [L750-L750] multithreaded = 1; [2024-08-13 18:08:41,455 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 18:08:41,767 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 18:08:41,778 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-13 18:08:41,861 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 18:08:41,895 INFO L206 MainTranslator]: Completed translation [2024-08-13 18:08:41,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41 WrapperNode [2024-08-13 18:08:41,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 18:08:41,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 18:08:41,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 18:08:41,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 18:08:41,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41" (1/1) ... [2024-08-13 18:08:41,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41" (1/1) ... [2024-08-13 18:08:41,954 INFO L138 Inliner]: procedures = 172, calls = 28, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 79 [2024-08-13 18:08:41,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 18:08:41,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 18:08:41,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 18:08:41,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 18:08:41,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41" (1/1) ... [2024-08-13 18:08:41,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41" (1/1) ... [2024-08-13 18:08:41,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41" (1/1) ... [2024-08-13 18:08:41,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41" (1/1) ... [2024-08-13 18:08:41,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41" (1/1) ... [2024-08-13 18:08:41,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41" (1/1) ... [2024-08-13 18:08:41,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41" (1/1) ... [2024-08-13 18:08:41,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41" (1/1) ... [2024-08-13 18:08:41,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 18:08:41,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 18:08:41,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 18:08:41,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 18:08:42,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41" (1/1) ... [2024-08-13 18:08:42,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 18:08:42,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 18:08:42,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-13 18:08:42,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-13 18:08:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-08-13 18:08:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-08-13 18:08:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-13 18:08:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 18:08:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-13 18:08:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-13 18:08:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 18:08:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 18:08:42,090 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 18:08:42,210 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 18:08:42,213 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 18:08:42,340 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 18:08:42,340 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 18:08:42,438 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 18:08:42,438 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-13 18:08:42,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 06:08:42 BoogieIcfgContainer [2024-08-13 18:08:42,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 18:08:42,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 18:08:42,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 18:08:42,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 18:08:42,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 06:08:39" (1/4) ... [2024-08-13 18:08:42,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e04bede and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 06:08:42, skipping insertion in model container [2024-08-13 18:08:42,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 06:08:41" (2/4) ... [2024-08-13 18:08:42,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e04bede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 06:08:42, skipping insertion in model container [2024-08-13 18:08:42,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 06:08:41" (3/4) ... [2024-08-13 18:08:42,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e04bede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 06:08:42, skipping insertion in model container [2024-08-13 18:08:42,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 06:08:42" (4/4) ... [2024-08-13 18:08:42,451 INFO L112 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2024-08-13 18:08:42,471 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 18:08:42,471 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-13 18:08:42,471 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 18:08:42,504 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-13 18:08:42,555 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 18:08:42,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 18:08:42,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 18:08:42,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-13 18:08:42,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-13 18:08:42,611 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 18:08:42,637 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 18:08:42,644 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@67b79df3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 18:08:42,645 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-13 18:08:42,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 18:08:42,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 18:08:42,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1715053478, now seen corresponding path program 1 times [2024-08-13 18:08:42,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 18:08:42,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828738824] [2024-08-13 18:08:42,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 18:08:42,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 18:08:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 18:08:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 18:08:43,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 18:08:43,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828738824] [2024-08-13 18:08:43,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828738824] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 18:08:43,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 18:08:43,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 18:08:43,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667028016] [2024-08-13 18:08:43,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 18:08:43,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 18:08:43,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 18:08:43,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 18:08:43,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-13 18:08:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 18:08:43,193 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 18:08:43,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 18:08:43,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 18:08:43,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 18:08:43,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-13 18:08:43,246 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 18:08:43,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 18:08:43,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1628598341, now seen corresponding path program 1 times [2024-08-13 18:08:43,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 18:08:43,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566389746] [2024-08-13 18:08:43,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 18:08:43,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 18:08:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 18:08:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 18:08:43,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 18:08:43,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566389746] [2024-08-13 18:08:43,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566389746] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 18:08:43,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 18:08:43,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 18:08:43,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229889257] [2024-08-13 18:08:43,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 18:08:43,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 18:08:43,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 18:08:43,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 18:08:43,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-13 18:08:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 18:08:43,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 18:08:43,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 18:08:43,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 18:08:43,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 18:08:43,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 18:08:43,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 18:08:43,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-13 18:08:43,438 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 18:08:43,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 18:08:43,439 INFO L85 PathProgramCache]: Analyzing trace with hash -640201343, now seen corresponding path program 1 times [2024-08-13 18:08:43,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 18:08:43,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114815023] [2024-08-13 18:08:43,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 18:08:43,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 18:08:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 18:08:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 18:08:43,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 18:08:43,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114815023] [2024-08-13 18:08:43,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114815023] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 18:08:43,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 18:08:43,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-13 18:08:43,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350169678] [2024-08-13 18:08:43,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 18:08:43,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-13 18:08:43,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 18:08:43,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-13 18:08:43,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-13 18:08:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 18:08:43,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 18:08:43,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 18:08:43,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 18:08:43,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 18:08:43,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 18:08:43,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 18:08:43,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 18:08:43,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 18:08:43,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-13 18:08:43,598 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 18:08:43,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 18:08:43,599 INFO L85 PathProgramCache]: Analyzing trace with hash 2057558244, now seen corresponding path program 1 times [2024-08-13 18:08:43,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 18:08:43,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760753287] [2024-08-13 18:08:43,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 18:08:43,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 18:08:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 18:08:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 18:08:43,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 18:08:43,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760753287] [2024-08-13 18:08:43,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760753287] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 18:08:43,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 18:08:43,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-13 18:08:43,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283715380] [2024-08-13 18:08:43,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 18:08:43,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 18:08:43,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 18:08:43,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 18:08:43,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 18:08:43,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 18:08:43,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 18:08:43,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 18:08:43,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 18:08:43,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 18:08:43,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 18:08:43,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 18:08:43,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 18:08:43,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 18:08:43,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 18:08:43,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 18:08:43,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-08-13 18:08:43,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-08-13 18:08:43,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-13 18:08:43,699 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-08-13 18:08:43,702 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-13 18:08:43,702 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-13 18:08:43,704 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-08-13 18:08:43,704 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-08-13 18:08:43,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 06:08:43 BasicIcfg [2024-08-13 18:08:43,705 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-13 18:08:43,706 INFO L158 Benchmark]: Toolchain (without parser) took 2350.53ms. Allocated memory is still 182.5MB. Free memory was 149.1MB in the beginning and 91.1MB in the end (delta: 58.0MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2024-08-13 18:08:43,706 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 18:08:43,706 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 121.6MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 18:08:43,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.98ms. Allocated memory is still 182.5MB. Free memory was 149.1MB in the beginning and 124.9MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-13 18:08:43,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.31ms. Allocated memory is still 182.5MB. Free memory was 124.9MB in the beginning and 122.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-13 18:08:43,707 INFO L158 Benchmark]: Boogie Preprocessor took 42.52ms. Allocated memory is still 182.5MB. Free memory was 122.7MB in the beginning and 121.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-13 18:08:43,708 INFO L158 Benchmark]: RCFGBuilder took 439.69ms. Allocated memory is still 182.5MB. Free memory was 120.7MB in the beginning and 99.8MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-13 18:08:43,708 INFO L158 Benchmark]: TraceAbstraction took 1261.23ms. Allocated memory is still 182.5MB. Free memory was 99.8MB in the beginning and 91.1MB in the end (delta: 8.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-08-13 18:08:43,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.97ms. Allocated memory is still 121.6MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.98ms. Allocated memory is still 182.5MB. Free memory was 149.1MB in the beginning and 124.9MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.31ms. Allocated memory is still 182.5MB. Free memory was 124.9MB in the beginning and 122.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.52ms. Allocated memory is still 182.5MB. Free memory was 122.7MB in the beginning and 121.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.69ms. Allocated memory is still 182.5MB. Free memory was 120.7MB in the beginning and 99.8MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1261.23ms. Allocated memory is still 182.5MB. Free memory was 99.8MB in the beginning and 91.1MB in the end (delta: 8.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 75, independent: 68, independent conditional: 26, independent unconditional: 42, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 75, independent: 68, independent conditional: 26, independent unconditional: 42, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 75, independent: 68, independent conditional: 26, independent unconditional: 42, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 78, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 78, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 78, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 50, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 50, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 33, dependent conditional: 16, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 78, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 50, unknown conditional: 3, unknown unconditional: 47] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 2, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 15, Number of trivial persistent sets: 15, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 75, independent: 68, independent conditional: 26, independent unconditional: 42, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 75, independent: 68, independent conditional: 26, independent unconditional: 42, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 75, independent: 68, independent conditional: 26, independent unconditional: 42, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 78, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 78, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 78, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 50, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 50, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 33, dependent conditional: 16, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 78, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 50, unknown conditional: 3, unknown unconditional: 47] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 2, Independence queries for same thread: 0 - PositiveResult [Line: 751]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 29 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-13 18:08:43,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-13 18:08:43,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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