./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/protection/read_write_lock-1-pthread.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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-atomic/read_write_lock-1-pthread.i ./goblint.2024-06-19_11-23-25.files/protection/read_write_lock-1-pthread.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-2cc22fc-m [2024-07-22 14:38:40,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 14:38:40,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 14:38:40,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 14:38:40,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 14:38:40,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 14:38:40,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 14:38:40,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 14:38:40,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 14:38:40,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 14:38:40,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 14:38:40,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 14:38:40,343 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 14:38:40,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 14:38:40,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 14:38:40,343 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 14:38:40,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 14:38:40,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 14:38:40,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 14:38:40,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 14:38:40,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 14:38:40,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 14:38:40,348 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 14:38:40,348 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 14:38:40,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 14:38:40,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 14:38:40,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 14:38:40,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 14:38:40,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 14:38:40,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 14:38:40,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 14:38:40,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 14:38:40,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 14:38:40,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 14:38:40,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 14:38:40,351 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 14:38:40,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 14:38:40,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 14:38:40,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 14:38:40,352 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 14:38:40,352 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 14:38:40,353 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 14:38:40,353 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 14:38:40,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 14:38:40,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 14:38:40,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 14:38:40,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 14:38:40,601 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 14:38:40,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i [2024-07-22 14:38:41,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 14:38:41,886 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 14:38:41,886 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i [2024-07-22 14:38:41,896 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6646912a3/d713edf47e404799af78178c1850200e/FLAG674e3cd12 [2024-07-22 14:38:41,906 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6646912a3/d713edf47e404799af78178c1850200e [2024-07-22 14:38:41,909 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 14:38:41,909 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 14:38:41,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/read_write_lock-1-pthread.yml/witness.yml [2024-07-22 14:38:41,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 14:38:41,993 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 14:38:41,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 14:38:41,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 14:38:41,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 14:38:41,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:38:41" (1/2) ... [2024-07-22 14:38:41,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a247c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:41, skipping insertion in model container [2024-07-22 14:38:41,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:38:41" (1/2) ... [2024-07-22 14:38:42,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67d3f22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:41, skipping insertion in model container [2024-07-22 14:38:42,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:38:41" (2/2) ... [2024-07-22 14:38:42,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a247c0d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42, skipping insertion in model container [2024-07-22 14:38:42,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:38:41" (2/2) ... [2024-07-22 14:38:42,003 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 14:38:42,032 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 14:38:42,033 INFO L97 edCorrectnessWitness]: Location invariant before [L720-L720] (! multithreaded || (y == 0 || y == 3)) && (! multithreaded || (x == 0 || x == 3)) [2024-07-22 14:38:42,033 INFO L97 edCorrectnessWitness]: Location invariant before [L718-L718] (! multithreaded || (y == 0 || y == 3)) && (! multithreaded || (x == 0 || x == 3)) [2024-07-22 14:38:42,034 INFO L97 edCorrectnessWitness]: Location invariant before [L717-L717] (! multithreaded || (y == 0 || y == 3)) && (! multithreaded || (x == 0 || x == 3)) [2024-07-22 14:38:42,034 INFO L97 edCorrectnessWitness]: Location invariant before [L719-L719] (! multithreaded || (y == 0 || y == 3)) && (! multithreaded || (x == 0 || x == 3)) [2024-07-22 14:38:42,034 INFO L103 edCorrectnessWitness]: ghost_variable rwlock_locked = 0 [2024-07-22 14:38:42,034 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 14:38:42,035 INFO L106 edCorrectnessWitness]: ghost_update [L711-L711] rwlock_locked = 0; [2024-07-22 14:38:42,035 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] rwlock_locked = 0; [2024-07-22 14:38:42,035 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] rwlock_locked = 1; [2024-07-22 14:38:42,035 INFO L106 edCorrectnessWitness]: ghost_update [L716-L716] multithreaded = 1; [2024-07-22 14:38:42,036 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] rwlock_locked = 1; [2024-07-22 14:38:42,069 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 14:38:42,322 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 14:38:42,334 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 14:38:42,393 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 14:38:42,418 INFO L206 MainTranslator]: Completed translation [2024-07-22 14:38:42,419 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42 WrapperNode [2024-07-22 14:38:42,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 14:38:42,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 14:38:42,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 14:38:42,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 14:38:42,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42" (1/1) ... [2024-07-22 14:38:42,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42" (1/1) ... [2024-07-22 14:38:42,452 INFO L138 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2024-07-22 14:38:42,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 14:38:42,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 14:38:42,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 14:38:42,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 14:38:42,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42" (1/1) ... [2024-07-22 14:38:42,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42" (1/1) ... [2024-07-22 14:38:42,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42" (1/1) ... [2024-07-22 14:38:42,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42" (1/1) ... [2024-07-22 14:38:42,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42" (1/1) ... [2024-07-22 14:38:42,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42" (1/1) ... [2024-07-22 14:38:42,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42" (1/1) ... [2024-07-22 14:38:42,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42" (1/1) ... [2024-07-22 14:38:42,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 14:38:42,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 14:38:42,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 14:38:42,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 14:38:42,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42" (1/1) ... [2024-07-22 14:38:42,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 14:38:42,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 14:38:42,602 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) [2024-07-22 14:38:42,620 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 [2024-07-22 14:38:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-07-22 14:38:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-07-22 14:38:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-22 14:38:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 14:38:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-07-22 14:38:42,645 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-07-22 14:38:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-07-22 14:38:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 14:38:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-22 14:38:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 14:38:42,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 14:38:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-07-22 14:38:42,646 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-07-22 14:38:42,647 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 14:38:42,769 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 14:38:42,771 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 14:38:42,955 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 14:38:42,955 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 14:38:43,038 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 14:38:43,038 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-22 14:38:43,038 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:38:43 BoogieIcfgContainer [2024-07-22 14:38:43,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 14:38:43,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 14:38:43,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 14:38:43,042 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 14:38:43,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:38:41" (1/4) ... [2024-07-22 14:38:43,043 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dff39c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:38:43, skipping insertion in model container [2024-07-22 14:38:43,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:38:41" (2/4) ... [2024-07-22 14:38:43,043 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dff39c5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 02:38:43, skipping insertion in model container [2024-07-22 14:38:43,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:38:42" (3/4) ... [2024-07-22 14:38:43,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dff39c5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 02:38:43, skipping insertion in model container [2024-07-22 14:38:43,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:38:43" (4/4) ... [2024-07-22 14:38:43,045 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1-pthread.i [2024-07-22 14:38:43,057 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 14:38:43,058 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-07-22 14:38:43,058 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 14:38:43,104 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-07-22 14:38:43,136 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 14:38:43,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 14:38:43,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 14:38:43,138 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) [2024-07-22 14:38:43,139 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 [2024-07-22 14:38:43,180 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 14:38:43,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 14:38:43,196 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;@24a0321c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 14:38:43,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-07-22 14:38:43,367 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-22 14:38:43,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:38:43,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1044629823, now seen corresponding path program 1 times [2024-07-22 14:38:43,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:38:43,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896978547] [2024-07-22 14:38:43,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:38:43,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:38:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:38:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:38:43,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:38:43,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896978547] [2024-07-22 14:38:43,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896978547] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:38:43,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:38:43,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 14:38:43,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813661805] [2024-07-22 14:38:43,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:38:43,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 14:38:43,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:38:43,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 14:38:43,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-07-22 14:38:43,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:38:43,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:38:43,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-07-22 14:38:43,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:38:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:43,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 14:38:43,737 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-22 14:38:43,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:38:43,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1063945551, now seen corresponding path program 1 times [2024-07-22 14:38:43,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:38:43,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675884259] [2024-07-22 14:38:43,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:38:43,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:38:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:38:43,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:38:43,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:38:43,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675884259] [2024-07-22 14:38:43,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675884259] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:38:43,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:38:43,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 14:38:43,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199927101] [2024-07-22 14:38:43,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:38:43,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 14:38:43,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:38:43,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 14:38:43,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 14:38:43,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:38:43,863 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:38:43,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-07-22 14:38:43,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:43,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:38:44,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 14:38:44,016 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-22 14:38:44,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:38:44,016 INFO L85 PathProgramCache]: Analyzing trace with hash 209223797, now seen corresponding path program 1 times [2024-07-22 14:38:44,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:38:44,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719420582] [2024-07-22 14:38:44,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:38:44,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:38:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:38:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:38:44,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:38:44,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719420582] [2024-07-22 14:38:44,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719420582] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:38:44,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:38:44,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-22 14:38:44,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669711065] [2024-07-22 14:38:44,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:38:44,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 14:38:44,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:38:44,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 14:38:44,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 14:38:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:38:44,086 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:38:44,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2024-07-22 14:38:44,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:38:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 14:38:44,227 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-22 14:38:44,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:38:44,227 INFO L85 PathProgramCache]: Analyzing trace with hash 831746002, now seen corresponding path program 1 times [2024-07-22 14:38:44,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:38:44,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379078409] [2024-07-22 14:38:44,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:38:44,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:38:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:38:44,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:38:44,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:38:44,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379078409] [2024-07-22 14:38:44,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379078409] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:38:44,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:38:44,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 14:38:44,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597738625] [2024-07-22 14:38:44,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:38:44,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 14:38:44,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:38:44,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 14:38:44,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-07-22 14:38:44,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:38:44,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:38:44,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-07-22 14:38:44,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:38:44,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-22 14:38:44,351 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-22 14:38:44,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:38:44,351 INFO L85 PathProgramCache]: Analyzing trace with hash 296250544, now seen corresponding path program 1 times [2024-07-22 14:38:44,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:38:44,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843434338] [2024-07-22 14:38:44,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:38:44,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:38:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:38:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:38:44,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:38:44,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843434338] [2024-07-22 14:38:44,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843434338] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:38:44,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:38:44,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 14:38:44,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405816010] [2024-07-22 14:38:44,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:38:44,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 14:38:44,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:38:44,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 14:38:44,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-07-22 14:38:44,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:38:44,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:38:44,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-07-22 14:38:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:38:44,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:38:44,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-22 14:38:44,555 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-07-22 14:38:44,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:38:44,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1778881322, now seen corresponding path program 1 times [2024-07-22 14:38:44,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:38:44,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082883430] [2024-07-22 14:38:44,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:38:44,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:38:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:38:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:38:44,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:38:44,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082883430] [2024-07-22 14:38:44,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082883430] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:38:44,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:38:44,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 14:38:44,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708658142] [2024-07-22 14:38:44,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:38:44,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 14:38:44,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:38:44,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 14:38:44,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-07-22 14:38:44,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:38:44,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:38:44,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-07-22 14:38:44,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:38:44,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:38:44,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:38:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 14:38:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 14:38:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 14:38:44,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-07-22 14:38:44,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-07-22 14:38:44,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-07-22 14:38:44,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-07-22 14:38:44,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-07-22 14:38:44,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-07-22 14:38:44,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-07-22 14:38:44,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-07-22 14:38:44,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-22 14:38:44,942 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-07-22 14:38:44,944 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 14:38:44,944 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 14:38:44,946 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-07-22 14:38:44,946 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-07-22 14:38:44,947 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:38:44 BasicIcfg [2024-07-22 14:38:44,947 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 14:38:44,947 INFO L158 Benchmark]: Toolchain (without parser) took 2954.67ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 104.2MB in the beginning and 121.7MB in the end (delta: -17.6MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. [2024-07-22 14:38:44,947 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 14:38:44,948 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 142.6MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 14:38:44,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.88ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 77.5MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-07-22 14:38:44,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.25ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 14:38:44,948 INFO L158 Benchmark]: Boogie Preprocessor took 35.71ms. Allocated memory is still 142.6MB. Free memory was 75.5MB in the beginning and 74.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 14:38:44,949 INFO L158 Benchmark]: RCFGBuilder took 548.53ms. Allocated memory is still 142.6MB. Free memory was 74.1MB in the beginning and 81.8MB in the end (delta: -7.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-22 14:38:44,949 INFO L158 Benchmark]: TraceAbstraction took 1907.25ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 81.8MB in the beginning and 121.7MB in the end (delta: -39.9MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2024-07-22 14:38:44,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 142.6MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.88ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 77.5MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.25ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.71ms. Allocated memory is still 142.6MB. Free memory was 75.5MB in the beginning and 74.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.53ms. Allocated memory is still 142.6MB. Free memory was 74.1MB in the beginning and 81.8MB in the end (delta: -7.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1907.25ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 81.8MB in the beginning and 121.7MB in the end (delta: -39.9MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6437, independent: 6226, independent conditional: 4606, independent unconditional: 1620, dependent: 211, dependent conditional: 152, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6299, independent: 6226, independent conditional: 4606, independent unconditional: 1620, dependent: 73, dependent conditional: 14, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6299, independent: 6226, independent conditional: 4606, independent unconditional: 1620, dependent: 73, dependent conditional: 14, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6358, independent: 6226, independent conditional: 6, independent unconditional: 6220, dependent: 132, dependent conditional: 53, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6358, independent: 6226, independent conditional: 6, independent unconditional: 6220, dependent: 132, dependent conditional: 31, dependent unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6358, independent: 6226, independent conditional: 6, independent unconditional: 6220, dependent: 132, dependent conditional: 31, dependent unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1696, independent: 1626, independent conditional: 2, independent unconditional: 1624, dependent: 70, dependent conditional: 9, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1696, independent: 1571, independent conditional: 0, independent unconditional: 1571, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 125, independent: 55, independent conditional: 2, independent unconditional: 53, dependent: 70, dependent conditional: 9, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 125, independent: 55, independent conditional: 2, independent unconditional: 53, dependent: 70, dependent conditional: 9, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 277, independent: 150, independent conditional: 3, independent unconditional: 147, dependent: 128, dependent conditional: 11, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6358, independent: 4600, independent conditional: 4, independent unconditional: 4596, dependent: 62, dependent conditional: 22, dependent unconditional: 40, unknown: 1696, unknown conditional: 11, unknown unconditional: 1685] , Statistics on independence cache: Total cache size (in pairs): 1696, Positive cache size: 1626, Positive conditional cache size: 2, Positive unconditional cache size: 1624, Negative cache size: 70, Negative conditional cache size: 9, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22, Maximal queried relation: 5, Independence queries for same thread: 138 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 970, Number of trivial persistent sets: 970, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1679, independent: 1620, independent conditional: 0, independent unconditional: 1620, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6437, independent: 6226, independent conditional: 4606, independent unconditional: 1620, dependent: 211, dependent conditional: 152, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6299, independent: 6226, independent conditional: 4606, independent unconditional: 1620, dependent: 73, dependent conditional: 14, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6299, independent: 6226, independent conditional: 4606, independent unconditional: 1620, dependent: 73, dependent conditional: 14, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6358, independent: 6226, independent conditional: 6, independent unconditional: 6220, dependent: 132, dependent conditional: 53, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6358, independent: 6226, independent conditional: 6, independent unconditional: 6220, dependent: 132, dependent conditional: 31, dependent unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6358, independent: 6226, independent conditional: 6, independent unconditional: 6220, dependent: 132, dependent conditional: 31, dependent unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1696, independent: 1626, independent conditional: 2, independent unconditional: 1624, dependent: 70, dependent conditional: 9, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1696, independent: 1571, independent conditional: 0, independent unconditional: 1571, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 125, independent: 55, independent conditional: 2, independent unconditional: 53, dependent: 70, dependent conditional: 9, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 125, independent: 55, independent conditional: 2, independent unconditional: 53, dependent: 70, dependent conditional: 9, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 277, independent: 150, independent conditional: 3, independent unconditional: 147, dependent: 128, dependent conditional: 11, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6358, independent: 4600, independent conditional: 4, independent unconditional: 4596, dependent: 62, dependent conditional: 22, dependent unconditional: 40, unknown: 1696, unknown conditional: 11, unknown unconditional: 1685] , Statistics on independence cache: Total cache size (in pairs): 1696, Positive cache size: 1626, Positive conditional cache size: 2, Positive unconditional cache size: 1624, Negative cache size: 70, Negative conditional cache size: 9, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22, Maximal queried relation: 5, Independence queries for same thread: 138 - PositiveResult [Line: 717]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 718]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 719]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 720]: 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 7 procedures, 79 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, 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: 26, 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, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-22 14:38:45,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-22 14:38:45,181 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