./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/pthread-demo-datarace-1.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/pthread-demo-datarace-1.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 00:18:56,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 00:18:56,631 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 00:18:56,638 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 00:18:56,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 00:18:56,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 00:18:56,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 00:18:56,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 00:18:56,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 00:18:56,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 00:18:56,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 00:18:56,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 00:18:56,684 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 00:18:56,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 00:18:56,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 00:18:56,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 00:18:56,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 00:18:56,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 00:18:56,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 00:18:56,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 00:18:56,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 00:18:56,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 00:18:56,691 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 00:18:56,691 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 00:18:56,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 00:18:56,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 00:18:56,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 00:18:56,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 00:18:56,693 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 00:18:56,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 00:18:56,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:18:56,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 00:18:56,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 00:18:56,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 00:18:56,695 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 00:18:56,695 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 00:18:56,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 00:18:56,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 00:18:56,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 00:18:56,696 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 00:18:56,696 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 00:18:56,697 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 00:18:56,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 00:18:56,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 00:18:57,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 00:18:57,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 00:18:57,003 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 00:18:57,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-09-23 00:18:58,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 00:18:58,905 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 00:18:58,906 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-09-23 00:18:58,934 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5919046e0/1d0b02618b814e29a3c1164b4f7961b9/FLAGea28056d6 [2024-09-23 00:18:59,184 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5919046e0/1d0b02618b814e29a3c1164b4f7961b9 [2024-09-23 00:18:59,186 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 00:18:59,188 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 00:18:59,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/pthread-demo-datarace-1.yml/witness.yml [2024-09-23 00:18:59,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 00:18:59,308 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 00:18:59,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 00:18:59,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 00:18:59,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 00:18:59,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:18:59" (1/2) ... [2024-09-23 00:18:59,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6322e3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:18:59, skipping insertion in model container [2024-09-23 00:18:59,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:18:59" (1/2) ... [2024-09-23 00:18:59,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67837da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:18:59, skipping insertion in model container [2024-09-23 00:18:59,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:18:59" (2/2) ... [2024-09-23 00:18:59,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6322e3de and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:18:59, skipping insertion in model container [2024-09-23 00:18:59,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:18:59" (2/2) ... [2024-09-23 00:18:59,502 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 00:18:59,503 INFO L1541 ArrayList]: Location invariant before [L1343-L1346] (! multithreaded || 0 <= myglobal) && (! multithreaded || (mymutex_locked || 0 <= myglobal)) [2024-09-23 00:18:59,504 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 00:18:59,504 INFO L1541 ArrayList]: ghost_variable mymutex_locked = 0 [2024-09-23 00:18:59,504 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,504 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,504 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,504 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,505 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,505 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,505 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,505 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,505 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,505 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,506 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,506 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,506 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-23 00:18:59,506 INFO L1541 ArrayList]: ghost_update [L1343-L1343] multithreaded = 1; [2024-09-23 00:18:59,506 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-23 00:18:59,506 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-23 00:18:59,506 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-23 00:18:59,506 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-23 00:18:59,507 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-23 00:18:59,507 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-23 00:18:59,507 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-23 00:18:59,507 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-23 00:18:59,508 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-23 00:18:59,508 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-23 00:18:59,508 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-23 00:18:59,509 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-23 00:18:59,509 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-23 00:18:59,509 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-23 00:18:59,509 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-23 00:18:59,509 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-23 00:18:59,509 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,509 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,509 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,509 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,510 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,510 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,510 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,510 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,510 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,511 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,511 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,511 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,511 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-23 00:18:59,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 00:19:00,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:19:00,286 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 [2024-09-23 00:19:00,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:19:00,505 INFO L204 MainTranslator]: Completed translation [2024-09-23 00:19:00,506 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:19:00 WrapperNode [2024-09-23 00:19:00,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 00:19:00,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 00:19:00,507 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 00:19:00,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 00:19:00,515 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 23.09 12:19:00" (1/1) ... [2024-09-23 00:19:00,540 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 23.09 12:19:00" (1/1) ... [2024-09-23 00:19:00,575 INFO L138 Inliner]: procedures = 364, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-09-23 00:19:00,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 00:19:00,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 00:19:00,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 00:19:00,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 00:19:00,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:19:00" (1/1) ... [2024-09-23 00:19:00,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:19:00" (1/1) ... [2024-09-23 00:19:00,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:19:00" (1/1) ... [2024-09-23 00:19:00,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:19:00" (1/1) ... [2024-09-23 00:19:00,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:19:00" (1/1) ... [2024-09-23 00:19:00,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:19:00" (1/1) ... [2024-09-23 00:19:00,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:19:00" (1/1) ... [2024-09-23 00:19:00,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:19:00" (1/1) ... [2024-09-23 00:19:00,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 00:19:00,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 00:19:00,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 00:19:00,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 00:19:00,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:19:00" (1/1) ... [2024-09-23 00:19:00,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:19:00,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:19:00,664 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) [2024-09-23 00:19:00,669 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 [2024-09-23 00:19:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 00:19:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 00:19:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 00:19:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2024-09-23 00:19:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2024-09-23 00:19:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 00:19:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 00:19:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 00:19:00,727 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 00:19:00,898 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 00:19:00,900 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 00:19:01,161 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 00:19:01,164 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 00:19:01,317 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 00:19:01,320 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-23 00:19:01,321 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:19:01 BoogieIcfgContainer [2024-09-23 00:19:01,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 00:19:01,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 00:19:01,324 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 00:19:01,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 00:19:01,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 12:18:59" (1/4) ... [2024-09-23 00:19:01,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbf6e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 12:19:01, skipping insertion in model container [2024-09-23 00:19:01,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:18:59" (2/4) ... [2024-09-23 00:19:01,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbf6e4f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:19:01, skipping insertion in model container [2024-09-23 00:19:01,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:19:00" (3/4) ... [2024-09-23 00:19:01,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbf6e4f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:19:01, skipping insertion in model container [2024-09-23 00:19:01,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:19:01" (4/4) ... [2024-09-23 00:19:01,337 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2024-09-23 00:19:01,359 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 00:19:01,360 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-23 00:19:01,360 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 00:19:01,393 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-09-23 00:19:01,439 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:19:01,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 00:19:01,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:19:01,442 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) [2024-09-23 00:19:01,445 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 [2024-09-23 00:19:01,507 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 00:19:01,522 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 00:19:01,532 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;@142d4ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:19:01,532 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-23 00:19:01,561 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 00:19:01,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:19:01,568 INFO L85 PathProgramCache]: Analyzing trace with hash 11217, now seen corresponding path program 1 times [2024-09-23 00:19:01,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:19:01,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7737689] [2024-09-23 00:19:01,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:19:01,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:19:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:19:01,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:19:01,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:19:01,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7737689] [2024-09-23 00:19:01,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7737689] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:19:01,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 00:19:01,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 00:19:01,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049899766] [2024-09-23 00:19:01,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:19:01,823 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 00:19:01,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:19:01,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 00:19:01,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 00:19:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:19:01,858 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:19:01,860 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2024-09-23 00:19:01,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:19:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:19:01,896 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-23 00:19:01,901 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-23 00:19:01,901 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 00:19:01,915 INFO L408 BasicCegarLoop]: Path program histogram: [1] [2024-09-23 00:19:01,919 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 00:19:01,919 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 00:19:01,922 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-23 00:19:01,922 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-23 00:19:01,926 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 12:19:01 BasicIcfg [2024-09-23 00:19:01,927 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 00:19:01,927 INFO L158 Benchmark]: Toolchain (without parser) took 2619.63ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 94.0MB in the beginning and 151.1MB in the end (delta: -57.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:19:01,927 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 157.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:19:01,928 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:19:01,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1197.59ms. Allocated memory is still 157.3MB. Free memory was 94.0MB in the beginning and 100.3MB in the end (delta: -6.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-23 00:19:01,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.25ms. Allocated memory is still 157.3MB. Free memory was 100.3MB in the beginning and 97.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:19:01,929 INFO L158 Benchmark]: Boogie Preprocessor took 45.67ms. Allocated memory is still 157.3MB. Free memory was 97.6MB in the beginning and 96.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:19:01,929 INFO L158 Benchmark]: RCFGBuilder took 699.04ms. Allocated memory is still 157.3MB. Free memory was 96.1MB in the beginning and 66.1MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-23 00:19:01,929 INFO L158 Benchmark]: TraceAbstraction took 602.53ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 65.4MB in the beginning and 151.1MB in the end (delta: -85.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:19:01,935 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 157.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1197.59ms. Allocated memory is still 157.3MB. Free memory was 94.0MB in the beginning and 100.3MB in the end (delta: -6.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.25ms. Allocated memory is still 157.3MB. Free memory was 100.3MB in the beginning and 97.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.67ms. Allocated memory is still 157.3MB. Free memory was 97.6MB in the beginning and 96.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 699.04ms. Allocated memory is still 157.3MB. Free memory was 96.1MB in the beginning and 66.1MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 602.53ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 65.4MB in the beginning and 151.1MB in the end (delta: -85.7MB). There was no memory consumed. 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: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 2, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 5, Number of trivial persistent sets: 5, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 2 - PositiveResult [Line: 1343]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 00:19:01,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-23 00:19:02,171 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