./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/lazy01.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/mutex-meet-nonrel/lazy01.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca 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/lazy01.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/lazy01.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-2520d7c-m [2024-07-17 19:46:48,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 19:46:49,020 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 19:46:49,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 19:46:49,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 19:46:49,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 19:46:49,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 19:46:49,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 19:46:49,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 19:46:49,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 19:46:49,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 19:46:49,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 19:46:49,046 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 19:46:49,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 19:46:49,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 19:46:49,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 19:46:49,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 19:46:49,052 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 19:46:49,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 19:46:49,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 19:46:49,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 19:46:49,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 19:46:49,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 19:46:49,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 19:46:49,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 19:46:49,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 19:46:49,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 19:46:49,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 19:46:49,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 19:46:49,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 19:46:49,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 19:46:49,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 19:46:49,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 19:46:49,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 19:46:49,057 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 19:46:49,057 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 19:46:49,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 19:46:49,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 19:46:49,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 19:46:49,058 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 19:46:49,058 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 19:46:49,058 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 19:46:49,058 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-17 19:46:49,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 19:46:49,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 19:46:49,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 19:46:49,322 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-17 19:46:49,323 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-17 19:46:49,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/lazy01.yml/witness.yml [2024-07-17 19:46:49,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 19:46:49,418 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 19:46:49,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2024-07-17 19:46:50,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 19:46:50,649 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 19:46:50,649 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2024-07-17 19:46:50,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/89aabce1b/756d690a0d4a4c91933b4d14d20d93e5/FLAG8106eab18 [2024-07-17 19:46:50,685 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/89aabce1b/756d690a0d4a4c91933b4d14d20d93e5 [2024-07-17 19:46:50,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 19:46:50,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 19:46:50,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 19:46:50,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 19:46:50,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 19:46:50,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 07:46:49" (1/2) ... [2024-07-17 19:46:50,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a647748 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:46:50, skipping insertion in model container [2024-07-17 19:46:50,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 07:46:49" (1/2) ... [2024-07-17 19:46:50,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6234925c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:46:50, skipping insertion in model container [2024-07-17 19:46:50,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 07:46:50" (2/2) ... [2024-07-17 19:46:50,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a647748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:50, skipping insertion in model container [2024-07-17 19:46:50,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 07:46:50" (2/2) ... [2024-07-17 19:46:50,698 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-17 19:46:50,726 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-17 19:46:50,727 INFO L97 edCorrectnessWitness]: Location invariant before [L734-L734] (! multithreaded || (mutex_locked || 0 <= data)) && (! multithreaded || 0 <= data) [2024-07-17 19:46:50,727 INFO L97 edCorrectnessWitness]: Location invariant before [L735-L735] (! multithreaded || (mutex_locked || 0 <= data)) && (! multithreaded || 0 <= data) [2024-07-17 19:46:50,728 INFO L97 edCorrectnessWitness]: Location invariant before [L733-L733] (! multithreaded || (mutex_locked || 0 <= data)) && (! multithreaded || 0 <= data) [2024-07-17 19:46:50,728 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-17 19:46:50,728 INFO L103 edCorrectnessWitness]: ghost_variable mutex_locked = 0 [2024-07-17 19:46:50,728 INFO L106 edCorrectnessWitness]: ghost_update [L713-L713] mutex_locked = 1; [2024-07-17 19:46:50,728 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] mutex_locked = 0; [2024-07-17 19:46:50,728 INFO L106 edCorrectnessWitness]: ghost_update [L715-L715] mutex_locked = 0; [2024-07-17 19:46:50,728 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] mutex_locked = 1; [2024-07-17 19:46:50,729 INFO L106 edCorrectnessWitness]: ghost_update [L732-L732] multithreaded = 1; [2024-07-17 19:46:50,729 INFO L106 edCorrectnessWitness]: ghost_update [L725-L725] mutex_locked = 0; [2024-07-17 19:46:50,729 INFO L106 edCorrectnessWitness]: ghost_update [L720-L720] mutex_locked = 1; [2024-07-17 19:46:50,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 19:46:51,035 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 19:46:51,045 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 Start Parsing Local [2024-07-17 19:46:51,150 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 19:46:51,185 INFO L206 MainTranslator]: Completed translation [2024-07-17 19:46:51,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51 WrapperNode [2024-07-17 19:46:51,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 19:46:51,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 19:46:51,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 19:46:51,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 19:46:51,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51" (1/1) ... [2024-07-17 19:46:51,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51" (1/1) ... [2024-07-17 19:46:51,252 INFO L138 Inliner]: procedures = 169, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2024-07-17 19:46:51,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 19:46:51,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 19:46:51,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 19:46:51,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 19:46:51,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51" (1/1) ... [2024-07-17 19:46:51,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51" (1/1) ... [2024-07-17 19:46:51,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51" (1/1) ... [2024-07-17 19:46:51,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51" (1/1) ... [2024-07-17 19:46:51,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51" (1/1) ... [2024-07-17 19:46:51,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51" (1/1) ... [2024-07-17 19:46:51,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51" (1/1) ... [2024-07-17 19:46:51,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51" (1/1) ... [2024-07-17 19:46:51,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 19:46:51,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 19:46:51,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 19:46:51,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 19:46:51,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51" (1/1) ... [2024-07-17 19:46:51,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 19:46:51,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 19:46:51,333 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) [2024-07-17 19:46:51,341 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 [2024-07-17 19:46:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-17 19:46:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-17 19:46:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-17 19:46:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-17 19:46:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-17 19:46:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-17 19:46:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-17 19:46:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 19:46:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 19:46:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-17 19:46:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 19:46:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 19:46:51,369 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 19:46:51,460 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 19:46:51,461 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 19:46:51,602 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 19:46:51,602 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 19:46:51,736 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 19:46:51,742 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-17 19:46:51,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 07:46:51 BoogieIcfgContainer [2024-07-17 19:46:51,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 19:46:51,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 19:46:51,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 19:46:51,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 19:46:51,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 07:46:49" (1/4) ... [2024-07-17 19:46:51,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae77af and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 07:46:51, skipping insertion in model container [2024-07-17 19:46:51,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 07:46:50" (2/4) ... [2024-07-17 19:46:51,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae77af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 07:46:51, skipping insertion in model container [2024-07-17 19:46:51,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:46:51" (3/4) ... [2024-07-17 19:46:51,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae77af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 07:46:51, skipping insertion in model container [2024-07-17 19:46:51,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 07:46:51" (4/4) ... [2024-07-17 19:46:51,749 INFO L112 eAbstractionObserver]: Analyzing ICFG lazy01.i [2024-07-17 19:46:51,763 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 19:46:51,763 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-07-17 19:46:51,763 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 19:46:51,832 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-07-17 19:46:51,864 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 19:46:51,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 19:46:51,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 19:46:52,041 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) [2024-07-17 19:46:52,043 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 [2024-07-17 19:46:52,072 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 19:46:52,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 19:46:52,085 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;@739e3798, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 19:46:52,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-07-17 19:46:52,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-07-17 19:46:52,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 19:46:52,218 INFO L85 PathProgramCache]: Analyzing trace with hash -880106061, now seen corresponding path program 1 times [2024-07-17 19:46:52,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 19:46:52,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788150036] [2024-07-17 19:46:52,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 19:46:52,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 19:46:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 19:46:52,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 19:46:52,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 19:46:52,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788150036] [2024-07-17 19:46:52,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788150036] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 19:46:52,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 19:46:52,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-17 19:46:52,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499522357] [2024-07-17 19:46:52,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 19:46:52,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-17 19:46:52,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 19:46:52,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-17 19:46:52,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-17 19:46:52,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 19:46:52,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 19:46:52,485 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) [2024-07-17 19:46:52,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 19:46:53,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-17 19:46:53,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-07-17 19:46:53,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-07-17 19:46:53,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-07-17 19:46:53,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-07-17 19:46:53,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-07-17 19:46:53,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-07-17 19:46:53,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 19:46:53,066 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-07-17 19:46:53,069 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-17 19:46:53,069 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-17 19:46:53,071 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-07-17 19:46:53,071 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-07-17 19:46:53,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 07:46:53 BasicIcfg [2024-07-17 19:46:53,073 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-17 19:46:53,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-17 19:46:53,074 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-17 19:46:53,074 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-17 19:46:53,075 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 07:46:51" (4/5) ... [2024-07-17 19:46:53,076 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-17 19:46:53,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-07-17 19:46:53,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-07-17 19:46:53,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-07-17 19:46:53,083 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2024-07-17 19:46:53,084 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-07-17 19:46:53,084 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-07-17 19:46:53,085 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-07-17 19:46:53,085 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-07-17 19:46:53,127 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/pthread/lazy01.i-witness.graphml [2024-07-17 19:46:53,127 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/pthread/lazy01.i-witness.yml [2024-07-17 19:46:53,128 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-17 19:46:53,128 INFO L158 Benchmark]: Toolchain (without parser) took 2440.97ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 86.1MB in the beginning and 178.0MB in the end (delta: -91.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 19:46:53,128 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 146.8MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 19:46:53,128 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 146.8MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 19:46:53,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.84ms. Allocated memory is still 146.8MB. Free memory was 86.1MB in the beginning and 59.8MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-07-17 19:46:53,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.33ms. Allocated memory is still 146.8MB. Free memory was 59.8MB in the beginning and 57.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 19:46:53,129 INFO L158 Benchmark]: Boogie Preprocessor took 41.21ms. Allocated memory is still 146.8MB. Free memory was 57.7MB in the beginning and 56.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 19:46:53,131 INFO L158 Benchmark]: RCFGBuilder took 447.93ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 56.2MB in the beginning and 188.2MB in the end (delta: -132.0MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-07-17 19:46:53,131 INFO L158 Benchmark]: TraceAbstraction took 1328.94ms. Allocated memory is still 226.5MB. Free memory was 188.2MB in the beginning and 181.1MB in the end (delta: 7.1MB). Peak memory consumption was 99.3MB. Max. memory is 16.1GB. [2024-07-17 19:46:53,131 INFO L158 Benchmark]: Witness Printer took 53.72ms. Allocated memory is still 226.5MB. Free memory was 181.1MB in the beginning and 178.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-17 19:46:53,133 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 0.16ms. Allocated memory is still 146.8MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.69ms. Allocated memory is still 146.8MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.84ms. Allocated memory is still 146.8MB. Free memory was 86.1MB in the beginning and 59.8MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.33ms. Allocated memory is still 146.8MB. Free memory was 59.8MB in the beginning and 57.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.21ms. Allocated memory is still 146.8MB. Free memory was 57.7MB in the beginning and 56.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.93ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 56.2MB in the beginning and 188.2MB in the end (delta: -132.0MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1328.94ms. Allocated memory is still 226.5MB. Free memory was 188.2MB in the beginning and 181.1MB in the end (delta: 7.1MB). Peak memory consumption was 99.3MB. Max. memory is 16.1GB. * Witness Printer took 53.72ms. Allocated memory is still 226.5MB. Free memory was 181.1MB in the beginning and 178.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2178, independent: 2064, independent conditional: 1440, independent unconditional: 624, dependent: 114, dependent conditional: 86, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2135, independent: 2064, independent conditional: 1440, independent unconditional: 624, dependent: 71, dependent conditional: 43, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2135, independent: 2064, independent conditional: 1440, independent unconditional: 624, dependent: 71, dependent conditional: 43, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2184, independent: 2064, independent conditional: 6, independent unconditional: 2058, dependent: 120, dependent conditional: 43, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2184, independent: 2064, independent conditional: 6, independent unconditional: 2058, dependent: 120, dependent conditional: 11, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2184, independent: 2064, independent conditional: 6, independent unconditional: 2058, dependent: 120, dependent conditional: 11, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 659, independent: 629, independent conditional: 2, independent unconditional: 627, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 659, independent: 542, independent conditional: 0, independent unconditional: 542, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 117, independent: 87, independent conditional: 2, independent unconditional: 85, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, independent: 87, independent conditional: 2, independent unconditional: 85, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 313, independent: 258, independent conditional: 3, independent unconditional: 255, dependent: 55, dependent conditional: 4, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2184, independent: 1435, independent conditional: 4, independent unconditional: 1431, dependent: 90, dependent conditional: 9, dependent unconditional: 81, unknown: 659, unknown conditional: 4, unknown unconditional: 655] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 629, Positive conditional cache size: 2, Positive unconditional cache size: 627, Negative cache size: 30, Negative conditional cache size: 2, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 32, Maximal queried relation: 1, Independence queries for same thread: 43 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 561, Number of trivial persistent sets: 561, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 652, independent: 624, independent conditional: 0, independent unconditional: 624, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2178, independent: 2064, independent conditional: 1440, independent unconditional: 624, dependent: 114, dependent conditional: 86, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2135, independent: 2064, independent conditional: 1440, independent unconditional: 624, dependent: 71, dependent conditional: 43, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2135, independent: 2064, independent conditional: 1440, independent unconditional: 624, dependent: 71, dependent conditional: 43, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2184, independent: 2064, independent conditional: 6, independent unconditional: 2058, dependent: 120, dependent conditional: 43, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2184, independent: 2064, independent conditional: 6, independent unconditional: 2058, dependent: 120, dependent conditional: 11, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2184, independent: 2064, independent conditional: 6, independent unconditional: 2058, dependent: 120, dependent conditional: 11, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 659, independent: 629, independent conditional: 2, independent unconditional: 627, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 659, independent: 542, independent conditional: 0, independent unconditional: 542, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 117, independent: 87, independent conditional: 2, independent unconditional: 85, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, independent: 87, independent conditional: 2, independent unconditional: 85, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 313, independent: 258, independent conditional: 3, independent unconditional: 255, dependent: 55, dependent conditional: 4, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2184, independent: 1435, independent conditional: 4, independent unconditional: 1431, dependent: 90, dependent conditional: 9, dependent unconditional: 81, unknown: 659, unknown conditional: 4, unknown unconditional: 655] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 629, Positive conditional cache size: 2, Positive unconditional cache size: 627, Negative cache size: 30, Negative conditional cache size: 2, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 32, Maximal queried relation: 1, Independence queries for same thread: 43 - PositiveResult [Line: 733]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 734]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 735]: 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, 58 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 4, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-17 19:46:53,158 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 [2024-07-17 19:46:53,368 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