./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.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/13-privatized_67-pthread_cond_wait_unknown_1_pos.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/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_67-pthread_cond_wait_unknown_1_pos.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 [2024-07-23 00:26:20,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-23 00:26:20,465 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-23 00:26:20,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-23 00:26:20,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-23 00:26:20,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-23 00:26:20,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-23 00:26:20,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-23 00:26:20,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-23 00:26:20,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-23 00:26:20,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-23 00:26:20,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-23 00:26:20,499 INFO L153 SettingsManager]: * Use SBE=true [2024-07-23 00:26:20,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-23 00:26:20,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-23 00:26:20,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-23 00:26:20,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-23 00:26:20,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-23 00:26:20,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-23 00:26:20,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-23 00:26:20,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-23 00:26:20,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-23 00:26:20,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-23 00:26:20,508 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-23 00:26:20,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-23 00:26:20,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-23 00:26:20,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-23 00:26:20,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-23 00:26:20,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-23 00:26:20,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-23 00:26:20,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-23 00:26:20,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-23 00:26:20,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-23 00:26:20,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-23 00:26:20,512 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-23 00:26:20,512 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-23 00:26:20,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-23 00:26:20,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-23 00:26:20,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-23 00:26:20,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-23 00:26:20,513 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-23 00:26:20,514 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-23 00:26:20,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-23 00:26:20,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-23 00:26:20,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-23 00:26:20,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-23 00:26:20,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-23 00:26:20,808 INFO L274 PluginConnector]: CDTParser initialized [2024-07-23 00:26:20,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-07-23 00:26:22,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-23 00:26:22,365 INFO L384 CDTParser]: Found 1 translation units. [2024-07-23 00:26:22,368 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-07-23 00:26:22,393 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c78592e95/bfb7bc0d5615460daacc38b82ae554ec/FLAGcd6d3e73f [2024-07-23 00:26:22,405 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c78592e95/bfb7bc0d5615460daacc38b82ae554ec [2024-07-23 00:26:22,407 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-23 00:26:22,408 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-23 00:26:22,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_67-pthread_cond_wait_unknown_1_pos.yml/witness.yml [2024-07-23 00:26:22,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-23 00:26:22,530 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-23 00:26:22,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-23 00:26:22,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-23 00:26:22,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-23 00:26:22,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:26:22" (1/2) ... [2024-07-23 00:26:22,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d91ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:22, skipping insertion in model container [2024-07-23 00:26:22,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:26:22" (1/2) ... [2024-07-23 00:26:22,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27a7f8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:22, skipping insertion in model container [2024-07-23 00:26:22,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.07 12:26:22" (2/2) ... [2024-07-23 00:26:22,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d91ff8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:22, skipping insertion in model container [2024-07-23 00:26:22,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.07 12:26:22" (2/2) ... [2024-07-23 00:26:22,541 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-23 00:26:22,592 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-23 00:26:22,593 INFO L97 edCorrectnessWitness]: Location invariant before [L1376-L1376] (! multithreaded || (mut_locked || (g == 0 || g == 1))) && (! multithreaded || (g == 0 || g == 1)) [2024-07-23 00:26:22,594 INFO L97 edCorrectnessWitness]: Location invariant before [L1378-L1378] (! multithreaded || (mut_locked || (g == 0 || g == 1))) && (! multithreaded || (g == 0 || g == 1)) [2024-07-23 00:26:22,594 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-23 00:26:22,594 INFO L103 edCorrectnessWitness]: ghost_variable mut_locked = 0 [2024-07-23 00:26:22,595 INFO L106 edCorrectnessWitness]: ghost_update [L1368-L1368] mut_locked = 0; [2024-07-23 00:26:22,595 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 1; [2024-07-23 00:26:22,595 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 0; [2024-07-23 00:26:22,595 INFO L106 edCorrectnessWitness]: ghost_update [L1355-L1355] mut_locked = 1; [2024-07-23 00:26:22,595 INFO L106 edCorrectnessWitness]: ghost_update [L1375-L1375] multithreaded = 1; [2024-07-23 00:26:22,595 INFO L106 edCorrectnessWitness]: ghost_update [L1364-L1364] mut_locked = 1; [2024-07-23 00:26:22,596 INFO L106 edCorrectnessWitness]: ghost_update [L1360-L1360] mut_locked = 0; [2024-07-23 00:26:22,647 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-23 00:26:23,101 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-23 00:26:23,114 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 [2024-07-23 00:26:23,235 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-23 00:26:23,326 INFO L206 MainTranslator]: Completed translation [2024-07-23 00:26:23,327 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:23 WrapperNode [2024-07-23 00:26:23,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-23 00:26:23,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-23 00:26:23,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-23 00:26:23,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-23 00:26:23,335 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 23.07 12:26:23" (1/1) ... [2024-07-23 00:26:23,367 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 23.07 12:26:23" (1/1) ... [2024-07-23 00:26:23,409 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-07-23 00:26:23,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-23 00:26:23,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-23 00:26:23,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-23 00:26:23,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-23 00:26:23,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:23" (1/1) ... [2024-07-23 00:26:23,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:23" (1/1) ... [2024-07-23 00:26:23,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:23" (1/1) ... [2024-07-23 00:26:23,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:23" (1/1) ... [2024-07-23 00:26:23,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:23" (1/1) ... [2024-07-23 00:26:23,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:23" (1/1) ... [2024-07-23 00:26:23,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:23" (1/1) ... [2024-07-23 00:26:23,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:23" (1/1) ... [2024-07-23 00:26:23,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-23 00:26:23,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-23 00:26:23,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-23 00:26:23,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-23 00:26:23,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:23" (1/1) ... [2024-07-23 00:26:23,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-23 00:26:23,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-23 00:26:23,541 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) [2024-07-23 00:26:23,543 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 [2024-07-23 00:26:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-07-23 00:26:23,567 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-07-23 00:26:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-07-23 00:26:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-07-23 00:26:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-23 00:26:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-23 00:26:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-23 00:26:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-23 00:26:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-23 00:26:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-23 00:26:23,570 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-23 00:26:23,868 INFO L244 CfgBuilder]: Building ICFG [2024-07-23 00:26:23,870 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-23 00:26:24,008 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-23 00:26:24,009 INFO L293 CfgBuilder]: Performing block encoding [2024-07-23 00:26:24,096 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-23 00:26:24,096 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-23 00:26:24,097 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:26:24 BoogieIcfgContainer [2024-07-23 00:26:24,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-23 00:26:24,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-23 00:26:24,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-23 00:26:24,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-23 00:26:24,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:26:22" (1/4) ... [2024-07-23 00:26:24,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709b4e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:26:24, skipping insertion in model container [2024-07-23 00:26:24,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.07 12:26:22" (2/4) ... [2024-07-23 00:26:24,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709b4e78 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.07 12:26:24, skipping insertion in model container [2024-07-23 00:26:24,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:23" (3/4) ... [2024-07-23 00:26:24,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709b4e78 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.07 12:26:24, skipping insertion in model container [2024-07-23 00:26:24,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:26:24" (4/4) ... [2024-07-23 00:26:24,106 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-07-23 00:26:24,121 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-23 00:26:24,123 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-07-23 00:26:24,124 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-23 00:26:24,162 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-07-23 00:26:24,201 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-23 00:26:24,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-23 00:26:24,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-23 00:26:24,208 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) [2024-07-23 00:26:24,232 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 [2024-07-23 00:26:24,263 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-23 00:26:24,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-23 00:26:24,287 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;@55bbd11b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-23 00:26:24,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-23 00:26:24,456 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-23 00:26:24,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-23 00:26:24,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1292317137, now seen corresponding path program 1 times [2024-07-23 00:26:24,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-23 00:26:24,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616730261] [2024-07-23 00:26:24,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-23 00:26:24,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-23 00:26:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-23 00:26:24,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-23 00:26:24,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-23 00:26:24,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616730261] [2024-07-23 00:26:24,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616730261] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-23 00:26:24,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-23 00:26:24,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-23 00:26:24,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572278558] [2024-07-23 00:26:24,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-23 00:26:24,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-23 00:26:24,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-23 00:26:24,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-23 00:26:24,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-23 00:26:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-23 00:26:24,887 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-23 00:26:24,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-07-23 00:26:24,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-23 00:26:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-23 00:26:25,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-23 00:26:25,034 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-23 00:26:25,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-23 00:26:25,035 INFO L85 PathProgramCache]: Analyzing trace with hash 302568482, now seen corresponding path program 1 times [2024-07-23 00:26:25,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-23 00:26:25,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719863643] [2024-07-23 00:26:25,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-23 00:26:25,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-23 00:26:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-23 00:26:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-23 00:26:25,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-23 00:26:25,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719863643] [2024-07-23 00:26:25,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719863643] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-23 00:26:25,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-23 00:26:25,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-23 00:26:25,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894364392] [2024-07-23 00:26:25,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-23 00:26:25,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-23 00:26:25,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-23 00:26:25,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-23 00:26:25,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-23 00:26:25,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-23 00:26:25,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-23 00:26:25,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) 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) [2024-07-23 00:26:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-23 00:26:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-23 00:26:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-23 00:26:25,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-23 00:26:25,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-07-23 00:26:25,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-23 00:26:25,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-23 00:26:25,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-23 00:26:25,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-23 00:26:25,340 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-07-23 00:26:25,343 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-23 00:26:25,344 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-23 00:26:25,345 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-23 00:26:25,346 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-23 00:26:25,347 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 12:26:25 BasicIcfg [2024-07-23 00:26:25,347 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-23 00:26:25,347 INFO L158 Benchmark]: Toolchain (without parser) took 2817.41ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 110.2MB in the beginning and 155.8MB in the end (delta: -45.6MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2024-07-23 00:26:25,348 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-23 00:26:25,348 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-23 00:26:25,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 796.57ms. Allocated memory is still 172.0MB. Free memory was 109.8MB in the beginning and 63.0MB in the end (delta: 46.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-07-23 00:26:25,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.29ms. Allocated memory is still 172.0MB. Free memory was 63.0MB in the beginning and 59.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-23 00:26:25,352 INFO L158 Benchmark]: Boogie Preprocessor took 61.67ms. Allocated memory is still 172.0MB. Free memory was 59.9MB in the beginning and 57.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-23 00:26:25,352 INFO L158 Benchmark]: RCFGBuilder took 624.12ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 57.4MB in the beginning and 162.4MB in the end (delta: -105.1MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-07-23 00:26:25,354 INFO L158 Benchmark]: TraceAbstraction took 1247.67ms. Allocated memory is still 218.1MB. Free memory was 161.4MB in the beginning and 155.8MB in the end (delta: 5.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-07-23 00:26:25,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 796.57ms. Allocated memory is still 172.0MB. Free memory was 109.8MB in the beginning and 63.0MB in the end (delta: 46.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.29ms. Allocated memory is still 172.0MB. Free memory was 63.0MB in the beginning and 59.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.67ms. Allocated memory is still 172.0MB. Free memory was 59.9MB in the beginning and 57.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 624.12ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 57.4MB in the beginning and 162.4MB in the end (delta: -105.1MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1247.67ms. Allocated memory is still 218.1MB. Free memory was 161.4MB in the beginning and 155.8MB in the end (delta: 5.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 597, independent: 553, independent conditional: 233, independent unconditional: 320, dependent: 44, dependent conditional: 22, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 583, independent: 553, independent conditional: 233, independent unconditional: 320, dependent: 30, dependent conditional: 8, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 583, independent: 553, independent conditional: 233, independent unconditional: 320, dependent: 30, dependent conditional: 8, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 591, independent: 553, independent conditional: 0, independent unconditional: 553, dependent: 38, dependent conditional: 8, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 591, independent: 553, independent conditional: 0, independent unconditional: 553, dependent: 38, dependent conditional: 1, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 591, independent: 553, independent conditional: 0, independent unconditional: 553, dependent: 38, dependent conditional: 1, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 345, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 345, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 80, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 49, dependent conditional: 3, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 591, independent: 231, independent conditional: 0, independent unconditional: 231, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 345, unknown conditional: 1, unknown unconditional: 344] , Statistics on independence cache: Total cache size (in pairs): 345, Positive cache size: 322, Positive conditional cache size: 0, Positive unconditional cache size: 322, Negative cache size: 23, Negative conditional cache size: 1, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 1, Independence queries for same thread: 14 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 138, Number of trivial persistent sets: 138, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 342, independent: 320, independent conditional: 0, independent unconditional: 320, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 597, independent: 553, independent conditional: 233, independent unconditional: 320, dependent: 44, dependent conditional: 22, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 583, independent: 553, independent conditional: 233, independent unconditional: 320, dependent: 30, dependent conditional: 8, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 583, independent: 553, independent conditional: 233, independent unconditional: 320, dependent: 30, dependent conditional: 8, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 591, independent: 553, independent conditional: 0, independent unconditional: 553, dependent: 38, dependent conditional: 8, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 591, independent: 553, independent conditional: 0, independent unconditional: 553, dependent: 38, dependent conditional: 1, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 591, independent: 553, independent conditional: 0, independent unconditional: 553, dependent: 38, dependent conditional: 1, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 345, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 345, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 80, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 49, dependent conditional: 3, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 591, independent: 231, independent conditional: 0, independent unconditional: 231, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 345, unknown conditional: 1, unknown unconditional: 344] , Statistics on independence cache: Total cache size (in pairs): 345, Positive cache size: 322, Positive conditional cache size: 0, Positive unconditional cache size: 322, Negative cache size: 23, Negative conditional cache size: 1, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 1, Independence queries for same thread: 14 - PositiveResult [Line: 1376]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1378]: 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 5 procedures, 46 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, 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: 6, 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, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-23 00:26:25,387 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 [2024-07-23 00:26:25,606 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