./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_52-refine-protected-loop2-small_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 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_52-refine-protected-loop2-small_true.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_52-refine-protected-loop2-small_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 08:38:29,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 08:38:29,423 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 08:38:29,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 08:38:29,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 08:38:29,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 08:38:29,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 08:38:29,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 08:38:29,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 08:38:29,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 08:38:29,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 08:38:29,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 08:38:29,458 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 08:38:29,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 08:38:29,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 08:38:29,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 08:38:29,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 08:38:29,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 08:38:29,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 08:38:29,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 08:38:29,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 08:38:29,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 08:38:29,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 08:38:29,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 08:38:29,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 08:38:29,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 08:38:29,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 08:38:29,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 08:38:29,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 08:38:29,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 08:38:29,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:38:29,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 08:38:29,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 08:38:29,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 08:38:29,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 08:38:29,465 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 08:38:29,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 08:38:29,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 08:38:29,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 08:38:29,466 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 08:38:29,467 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 08:38:29,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 08:38:29,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 08:38:29,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 08:38:29,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 08:38:29,771 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 08:38:29,772 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 08:38:29,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_52-refine-protected-loop2-small_true.yml/witness.yml [2024-09-08 08:38:29,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 08:38:29,883 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 08:38:29,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i [2024-09-08 08:38:31,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 08:38:31,608 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 08:38:31,609 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i [2024-09-08 08:38:31,622 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/988ec3700/04a044a8b2824f4f81623a2bce3a636f/FLAG08d5441af [2024-09-08 08:38:31,637 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/988ec3700/04a044a8b2824f4f81623a2bce3a636f [2024-09-08 08:38:31,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 08:38:31,639 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 08:38:31,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 08:38:31,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 08:38:31,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 08:38:31,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:38:29" (1/2) ... [2024-09-08 08:38:31,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee3dd7e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:38:31, skipping insertion in model container [2024-09-08 08:38:31,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:38:29" (1/2) ... [2024-09-08 08:38:31,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b5ea4d5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:38:31, skipping insertion in model container [2024-09-08 08:38:31,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:38:31" (2/2) ... [2024-09-08 08:38:31,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee3dd7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:31, skipping insertion in model container [2024-09-08 08:38:31,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:38:31" (2/2) ... [2024-09-08 08:38:31,711 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 08:38:31,712 INFO L1541 ArrayList]: Location invariant before [L703-L703] (! multithreaded || ((g == 0 || g == 999) || g == 1000)) && (! multithreaded || (A_locked || (g == 0 || g == 999))) [2024-09-08 08:38:31,712 INFO L1541 ArrayList]: ghost_variable B_locked = 0 [2024-09-08 08:38:31,713 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 08:38:31,713 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-09-08 08:38:31,713 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-08 08:38:31,714 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-08 08:38:31,714 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-08 08:38:31,714 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-08 08:38:31,714 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-08 08:38:31,714 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-08 08:38:31,715 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-08 08:38:31,715 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-08 08:38:31,716 INFO L1541 ArrayList]: ghost_update [L702-L702] multithreaded = 1; [2024-09-08 08:38:31,716 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-08 08:38:31,716 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-08 08:38:31,716 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-08 08:38:31,716 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-08 08:38:31,717 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-08 08:38:31,717 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-08 08:38:31,717 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-08 08:38:31,717 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-08 08:38:31,717 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-08 08:38:31,717 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-08 08:38:31,717 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-08 08:38:31,718 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-08 08:38:31,718 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-08 08:38:31,718 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-08 08:38:31,718 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-08 08:38:31,719 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-08 08:38:31,719 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-08 08:38:31,719 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-08 08:38:31,719 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-08 08:38:31,719 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-08 08:38:31,719 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-08 08:38:31,720 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-08 08:38:31,720 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-08 08:38:31,720 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-08 08:38:31,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 08:38:31,982 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i[1105,1118] [2024-09-08 08:38:32,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:38:32,162 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 08:38:32,200 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i[1105,1118] 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 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 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 [2024-09-08 08:38:32,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:38:32,294 INFO L204 MainTranslator]: Completed translation [2024-09-08 08:38:32,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32 WrapperNode [2024-09-08 08:38:32,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 08:38:32,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 08:38:32,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 08:38:32,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 08:38:32,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32" (1/1) ... [2024-09-08 08:38:32,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32" (1/1) ... [2024-09-08 08:38:32,337 INFO L138 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2024-09-08 08:38:32,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 08:38:32,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 08:38:32,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 08:38:32,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 08:38:32,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32" (1/1) ... [2024-09-08 08:38:32,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32" (1/1) ... [2024-09-08 08:38:32,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32" (1/1) ... [2024-09-08 08:38:32,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32" (1/1) ... [2024-09-08 08:38:32,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32" (1/1) ... [2024-09-08 08:38:32,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32" (1/1) ... [2024-09-08 08:38:32,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32" (1/1) ... [2024-09-08 08:38:32,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32" (1/1) ... [2024-09-08 08:38:32,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 08:38:32,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 08:38:32,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 08:38:32,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 08:38:32,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32" (1/1) ... [2024-09-08 08:38:32,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:38:32,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:38:32,407 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) [2024-09-08 08:38:32,411 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 [2024-09-08 08:38:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-09-08 08:38:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-09-08 08:38:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 08:38:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 08:38:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 08:38:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 08:38:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 08:38:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 08:38:32,477 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 08:38:32,609 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 08:38:32,611 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 08:38:32,765 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 08:38:32,765 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 08:38:32,913 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 08:38:32,914 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-08 08:38:32,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:38:32 BoogieIcfgContainer [2024-09-08 08:38:32,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 08:38:32,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 08:38:32,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 08:38:32,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 08:38:32,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:38:29" (1/4) ... [2024-09-08 08:38:32,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0310a8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 08:38:32, skipping insertion in model container [2024-09-08 08:38:32,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 08:38:31" (2/4) ... [2024-09-08 08:38:32,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0310a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:38:32, skipping insertion in model container [2024-09-08 08:38:32,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:38:32" (3/4) ... [2024-09-08 08:38:32,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0310a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:38:32, skipping insertion in model container [2024-09-08 08:38:32,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:38:32" (4/4) ... [2024-09-08 08:38:32,925 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_52-refine-protected-loop2-small_true.i [2024-09-08 08:38:32,943 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 08:38:32,945 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-08 08:38:32,945 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 08:38:32,983 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-08 08:38:33,029 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:38:33,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 08:38:33,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:38:33,033 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) [2024-09-08 08:38:33,034 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 [2024-09-08 08:38:33,067 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 08:38:33,079 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerThread1of1ForFork0 ======== [2024-09-08 08:38:33,086 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@6198063d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:38:33,086 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-08 08:38:33,164 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 08:38:33,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:38:33,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1110037360, now seen corresponding path program 1 times [2024-09-08 08:38:33,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:38:33,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28224553] [2024-09-08 08:38:33,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:38:33,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:38:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:38:33,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:38:33,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:38:33,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28224553] [2024-09-08 08:38:33,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28224553] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:38:33,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:38:33,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 08:38:33,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099662862] [2024-09-08 08:38:33,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:38:33,458 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 08:38:33,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:38:33,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 08:38:33,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 08:38:33,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:38:33,481 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:38:33,482 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-09-08 08:38:33,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:38:33,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:38:33,514 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 08:38:33,515 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-08 08:38:33,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:38:33,516 INFO L85 PathProgramCache]: Analyzing trace with hash 593496053, now seen corresponding path program 1 times [2024-09-08 08:38:33,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:38:33,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954367143] [2024-09-08 08:38:33,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:38:33,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:38:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:38:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:38:33,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:38:33,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954367143] [2024-09-08 08:38:33,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954367143] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:38:33,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:38:33,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 08:38:33,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204170120] [2024-09-08 08:38:33,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:38:33,697 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 08:38:33,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:38:33,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 08:38:33,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 08:38:33,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:38:33,700 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:38:33,700 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-09-08 08:38:33,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:38:33,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:38:33,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:38:33,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:38:33,878 INFO L785 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-09-08 08:38:33,879 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 08:38:33,884 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-08 08:38:33,886 INFO L312 ceAbstractionStarter]: Result for error location workerThread1of1ForFork0 was SAFE (1/2) [2024-09-08 08:38:33,890 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:38:33,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 08:38:33,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:38:33,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 08:38:33,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-09-08 08:38:33,914 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 08:38:33,915 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 08:38:33,916 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@6198063d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:38:33,916 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-08 08:38:33,944 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 08:38:33,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:38:33,945 INFO L85 PathProgramCache]: Analyzing trace with hash -733928283, now seen corresponding path program 1 times [2024-09-08 08:38:33,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:38:33,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149759200] [2024-09-08 08:38:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:38:33,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:38:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:38:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:38:33,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:38:34,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149759200] [2024-09-08 08:38:34,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149759200] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:38:34,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:38:34,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 08:38:34,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431782097] [2024-09-08 08:38:34,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:38:34,008 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 08:38:34,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:38:34,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 08:38:34,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 08:38:34,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:38:34,009 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:38:34,009 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:38:34,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:38:34,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:38:34,117 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 08:38:34,117 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 08:38:34,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:38:34,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1221684464, now seen corresponding path program 1 times [2024-09-08 08:38:34,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:38:34,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660531489] [2024-09-08 08:38:34,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:38:34,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:38:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:38:34,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:38:34,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:38:34,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660531489] [2024-09-08 08:38:34,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660531489] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:38:34,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:38:34,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 08:38:34,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479436617] [2024-09-08 08:38:34,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:38:34,221 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 08:38:34,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:38:34,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 08:38:34,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 08:38:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:38:34,222 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:38:34,223 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-09-08 08:38:34,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:38:34,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:38:34,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:38:34,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:38:34,294 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 08:38:34,294 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 08:38:34,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:38:34,294 INFO L85 PathProgramCache]: Analyzing trace with hash -350184992, now seen corresponding path program 1 times [2024-09-08 08:38:34,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:38:34,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514000671] [2024-09-08 08:38:34,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:38:34,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:38:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:38:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:38:34,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:38:34,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514000671] [2024-09-08 08:38:34,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514000671] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:38:34,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:38:34,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 08:38:34,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842883617] [2024-09-08 08:38:34,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:38:34,426 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 08:38:34,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:38:34,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 08:38:34,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 08:38:34,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:38:34,429 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:38:34,429 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-09-08 08:38:34,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:38:34,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:38:34,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:38:34,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:38:34,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:38:34,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:38:34,510 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-08 08:38:34,510 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-08 08:38:34,511 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-08 08:38:34,512 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-09-08 08:38:34,513 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/2) [2024-09-08 08:38:34,514 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 08:38:34,514 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 08:38:34,516 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-08 08:38:34,517 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-08 08:38:34,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 08:38:34 BasicIcfg [2024-09-08 08:38:34,519 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 08:38:34,520 INFO L158 Benchmark]: Toolchain (without parser) took 2881.07ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 101.2MB in the beginning and 140.9MB in the end (delta: -39.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 08:38:34,520 INFO L158 Benchmark]: Witness Parser took 0.86ms. Allocated memory is still 184.5MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 08:38:34,520 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 08:38:34,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.46ms. Allocated memory is still 184.5MB. Free memory was 100.8MB in the beginning and 138.7MB in the end (delta: -37.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-09-08 08:38:34,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.17ms. Allocated memory is still 184.5MB. Free memory was 138.7MB in the beginning and 136.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 08:38:34,521 INFO L158 Benchmark]: Boogie Preprocessor took 31.81ms. Allocated memory is still 184.5MB. Free memory was 136.4MB in the beginning and 135.5MB in the end (delta: 867.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 08:38:34,522 INFO L158 Benchmark]: RCFGBuilder took 544.45ms. Allocated memory is still 184.5MB. Free memory was 135.5MB in the beginning and 127.4MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-08 08:38:34,522 INFO L158 Benchmark]: TraceAbstraction took 1602.58ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 126.3MB in the beginning and 140.9MB in the end (delta: -14.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-09-08 08:38:34,525 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 0.86ms. Allocated memory is still 184.5MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 654.46ms. Allocated memory is still 184.5MB. Free memory was 100.8MB in the beginning and 138.7MB in the end (delta: -37.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.17ms. Allocated memory is still 184.5MB. Free memory was 138.7MB in the beginning and 136.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.81ms. Allocated memory is still 184.5MB. Free memory was 136.4MB in the beginning and 135.5MB in the end (delta: 867.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 544.45ms. Allocated memory is still 184.5MB. Free memory was 135.5MB in the beginning and 127.4MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1602.58ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 126.3MB in the beginning and 140.9MB in the end (delta: -14.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 222, independent: 189, independent conditional: 64, independent unconditional: 125, dependent: 33, dependent conditional: 25, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204, independent: 189, independent conditional: 64, independent unconditional: 125, dependent: 15, dependent conditional: 7, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 204, independent: 189, independent conditional: 64, independent unconditional: 125, dependent: 15, dependent conditional: 7, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213, independent: 189, independent conditional: 64, independent unconditional: 125, dependent: 24, dependent conditional: 16, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 213, independent: 189, independent conditional: 2, independent unconditional: 187, dependent: 24, dependent conditional: 1, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 213, independent: 189, independent conditional: 2, independent unconditional: 187, dependent: 24, dependent conditional: 1, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 113, independent: 102, independent conditional: 2, independent unconditional: 100, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 113, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, independent: 57, independent conditional: 13, independent unconditional: 44, dependent: 43, dependent conditional: 4, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 213, independent: 87, independent conditional: 0, independent unconditional: 87, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 113, unknown conditional: 3, unknown unconditional: 110] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 102, Positive conditional cache size: 2, Positive unconditional cache size: 100, Negative cache size: 11, Negative conditional cache size: 1, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 77, Maximal queried relation: 1, Independence queries for same thread: 18, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 61, Number of trivial persistent sets: 60, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 222, independent: 189, independent conditional: 64, independent unconditional: 125, dependent: 33, dependent conditional: 25, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204, independent: 189, independent conditional: 64, independent unconditional: 125, dependent: 15, dependent conditional: 7, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 204, independent: 189, independent conditional: 64, independent unconditional: 125, dependent: 15, dependent conditional: 7, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213, independent: 189, independent conditional: 64, independent unconditional: 125, dependent: 24, dependent conditional: 16, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 213, independent: 189, independent conditional: 2, independent unconditional: 187, dependent: 24, dependent conditional: 1, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 213, independent: 189, independent conditional: 2, independent unconditional: 187, dependent: 24, dependent conditional: 1, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 113, independent: 102, independent conditional: 2, independent unconditional: 100, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 113, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, independent: 57, independent conditional: 13, independent unconditional: 44, dependent: 43, dependent conditional: 4, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 213, independent: 87, independent conditional: 0, independent unconditional: 87, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 113, unknown conditional: 3, unknown unconditional: 110] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 102, Positive conditional cache size: 2, Positive unconditional cache size: 100, Negative cache size: 11, Negative conditional cache size: 1, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 77, Maximal queried relation: 1, Independence queries for same thread: 18 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 166, independent: 149, independent conditional: 68, independent unconditional: 81, dependent: 17, dependent conditional: 9, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 159, independent: 149, independent conditional: 68, independent unconditional: 81, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 159, independent: 149, independent conditional: 68, independent unconditional: 81, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 181, independent: 149, independent conditional: 68, independent unconditional: 81, dependent: 32, dependent conditional: 24, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 181, independent: 149, independent conditional: 16, independent unconditional: 133, dependent: 32, dependent conditional: 6, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 181, independent: 149, independent conditional: 16, independent unconditional: 133, dependent: 32, dependent conditional: 6, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 106, independent: 91, independent conditional: 9, independent unconditional: 82, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 106, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 12, independent conditional: 9, independent unconditional: 3, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 12, independent conditional: 9, independent unconditional: 3, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, independent: 87, independent conditional: 61, independent unconditional: 26, dependent: 57, dependent conditional: 15, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 181, independent: 58, independent conditional: 7, independent unconditional: 51, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 106, unknown conditional: 14, unknown unconditional: 92] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 91, Positive conditional cache size: 9, Positive unconditional cache size: 82, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 70, Maximal queried relation: 2, Independence queries for same thread: 7, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 19, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 166, independent: 149, independent conditional: 68, independent unconditional: 81, dependent: 17, dependent conditional: 9, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 159, independent: 149, independent conditional: 68, independent unconditional: 81, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 159, independent: 149, independent conditional: 68, independent unconditional: 81, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 181, independent: 149, independent conditional: 68, independent unconditional: 81, dependent: 32, dependent conditional: 24, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 181, independent: 149, independent conditional: 16, independent unconditional: 133, dependent: 32, dependent conditional: 6, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 181, independent: 149, independent conditional: 16, independent unconditional: 133, dependent: 32, dependent conditional: 6, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 106, independent: 91, independent conditional: 9, independent unconditional: 82, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 106, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 12, independent conditional: 9, independent unconditional: 3, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 12, independent conditional: 9, independent unconditional: 3, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, independent: 87, independent conditional: 61, independent unconditional: 26, dependent: 57, dependent conditional: 15, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 181, independent: 58, independent conditional: 7, independent unconditional: 51, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 106, unknown conditional: 14, unknown unconditional: 92] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 91, Positive conditional cache size: 9, Positive unconditional cache size: 82, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 70, Maximal queried relation: 2, Independence queries for same thread: 7 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 703]: 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: workerThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2024-09-08 08:38:34,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-09-08 08:38:34,759 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 [2024-09-08 08:38:34,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE