./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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function 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 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/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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 00:20:39,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 00:20:39,175 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 00:20:39,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 00:20:39,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 00:20:39,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 00:20:39,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 00:20:39,206 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 00:20:39,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 00:20:39,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 00:20:39,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 00:20:39,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 00:20:39,209 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 00:20:39,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 00:20:39,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 00:20:39,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 00:20:39,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 00:20:39,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 00:20:39,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 00:20:39,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 00:20:39,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 00:20:39,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 00:20:39,215 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 00:20:39,215 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 00:20:39,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 00:20:39,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 00:20:39,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 00:20:39,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 00:20:39,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 00:20:39,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 00:20:39,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:20:39,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 00:20:39,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 00:20:39,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 00:20:39,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 00:20:39,220 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 00:20:39,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 00:20:39,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 00:20:39,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 00:20:39,221 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 00:20:39,221 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 00:20:39,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 00:20:39,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 00:20:39,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 00:20:39,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 00:20:39,471 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 00:20:39,472 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 00:20:39,473 INFO L431 ainManager$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 [2024-09-23 00:20:39,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 00:20:39,605 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 00:20:39,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i [2024-09-23 00:20:41,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 00:20:41,235 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 00:20:41,236 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_52-refine-protected-loop2-small_true.i [2024-09-23 00:20:41,253 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ad82ff0fa/b508f92965b141f18be71f655a55701c/FLAGeff75a8f5 [2024-09-23 00:20:41,269 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ad82ff0fa/b508f92965b141f18be71f655a55701c [2024-09-23 00:20:41,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 00:20:41,271 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 00:20:41,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 00:20:41,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 00:20:41,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 00:20:41,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:20:39" (1/2) ... [2024-09-23 00:20:41,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fad9605 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:20:41, skipping insertion in model container [2024-09-23 00:20:41,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:20:39" (1/2) ... [2024-09-23 00:20:41,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63256db and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:20:41, skipping insertion in model container [2024-09-23 00:20:41,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:20:41" (2/2) ... [2024-09-23 00:20:41,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fad9605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41, skipping insertion in model container [2024-09-23 00:20:41,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:20:41" (2/2) ... [2024-09-23 00:20:41,339 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 00:20:41,339 INFO L1541 ArrayList]: Location invariant before [L703-L703] (! multithreaded || ((g == 0 || g == 999) || g == 1000)) && (! multithreaded || (A_locked || (g == 0 || g == 999))) [2024-09-23 00:20:41,340 INFO L1541 ArrayList]: ghost_variable B_locked = 0 [2024-09-23 00:20:41,340 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-09-23 00:20:41,341 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 00:20:41,341 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-23 00:20:41,341 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-23 00:20:41,341 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-23 00:20:41,341 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-23 00:20:41,342 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-23 00:20:41,342 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-23 00:20:41,343 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-23 00:20:41,343 INFO L1541 ArrayList]: ghost_update [L695-L695] B_locked = 0; [2024-09-23 00:20:41,343 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-23 00:20:41,343 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-23 00:20:41,343 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-23 00:20:41,344 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-23 00:20:41,344 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-23 00:20:41,344 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-23 00:20:41,344 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-23 00:20:41,344 INFO L1541 ArrayList]: ghost_update [L687-L687] A_locked = 1; [2024-09-23 00:20:41,345 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-23 00:20:41,345 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-23 00:20:41,345 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-23 00:20:41,345 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-23 00:20:41,346 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-23 00:20:41,346 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-23 00:20:41,347 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-23 00:20:41,347 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-23 00:20:41,347 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-23 00:20:41,347 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-23 00:20:41,347 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-23 00:20:41,347 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-23 00:20:41,347 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-23 00:20:41,348 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-23 00:20:41,348 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-23 00:20:41,348 INFO L1541 ArrayList]: ghost_update [L694-L694] B_locked = 1; [2024-09-23 00:20:41,348 INFO L1541 ArrayList]: ghost_update [L702-L702] multithreaded = 1; [2024-09-23 00:20:41,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 00:20:41,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:20:41,746 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 [2024-09-23 00:20:41,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:20:41,893 INFO L204 MainTranslator]: Completed translation [2024-09-23 00:20:41,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41 WrapperNode [2024-09-23 00:20:41,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 00:20:41,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 00:20:41,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 00:20:41,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 00:20:41,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41" (1/1) ... [2024-09-23 00:20:41,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41" (1/1) ... [2024-09-23 00:20:41,948 INFO L138 Inliner]: procedures = 162, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2024-09-23 00:20:41,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 00:20:41,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 00:20:41,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 00:20:41,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 00:20:41,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41" (1/1) ... [2024-09-23 00:20:41,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41" (1/1) ... [2024-09-23 00:20:41,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41" (1/1) ... [2024-09-23 00:20:41,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41" (1/1) ... [2024-09-23 00:20:41,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41" (1/1) ... [2024-09-23 00:20:41,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41" (1/1) ... [2024-09-23 00:20:41,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41" (1/1) ... [2024-09-23 00:20:41,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41" (1/1) ... [2024-09-23 00:20:41,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 00:20:41,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 00:20:41,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 00:20:41,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 00:20:41,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41" (1/1) ... [2024-09-23 00:20:41,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:20:42,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:20:42,016 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 00:20:42,017 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 00:20:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-09-23 00:20:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-09-23 00:20:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 00:20:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 00:20:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 00:20:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 00:20:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 00:20:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 00:20:42,076 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 00:20:42,195 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 00:20:42,197 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 00:20:42,373 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 00:20:42,373 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 00:20:42,516 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 00:20:42,516 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-23 00:20:42,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:20:42 BoogieIcfgContainer [2024-09-23 00:20:42,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 00:20:42,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 00:20:42,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 00:20:42,522 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 00:20:42,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:20:39" (1/4) ... [2024-09-23 00:20:42,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e09ca21 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:20:42, skipping insertion in model container [2024-09-23 00:20:42,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 12:20:41" (2/4) ... [2024-09-23 00:20:42,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e09ca21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 12:20:42, skipping insertion in model container [2024-09-23 00:20:42,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:20:41" (3/4) ... [2024-09-23 00:20:42,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e09ca21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 12:20:42, skipping insertion in model container [2024-09-23 00:20:42,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:20:42" (4/4) ... [2024-09-23 00:20:42,525 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_52-refine-protected-loop2-small_true.i [2024-09-23 00:20:42,543 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 00:20:42,543 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-23 00:20:42,543 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 00:20:42,575 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-23 00:20:42,617 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:20:42,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 00:20:42,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:20:42,621 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 00:20:42,622 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 00:20:42,656 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 00:20:42,668 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 00:20:42,676 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;@557c2db9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:20:42,676 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-23 00:20:42,751 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 00:20:42,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:20:42,760 INFO L85 PathProgramCache]: Analyzing trace with hash -433624947, now seen corresponding path program 1 times [2024-09-23 00:20:42,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:20:42,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641151796] [2024-09-23 00:20:42,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:20:42,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:20:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:20:43,159 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 00:20:43,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:20:43,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641151796] [2024-09-23 00:20:43,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641151796] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:20:43,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 00:20:43,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 00:20:43,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563492424] [2024-09-23 00:20:43,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:20:43,168 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 00:20:43,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:20:43,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 00:20:43,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 00:20:43,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:20:43,192 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:20:43,193 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) [2024-09-23 00:20:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:20:43,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:20:43,263 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 00:20:43,263 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 00:20:43,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:20:43,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1024903050, now seen corresponding path program 1 times [2024-09-23 00:20:43,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:20:43,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472743420] [2024-09-23 00:20:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:20:43,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:20:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:20:43,365 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 00:20:43,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:20:43,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472743420] [2024-09-23 00:20:43,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472743420] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:20:43,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 00:20:43,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 00:20:43,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329444885] [2024-09-23 00:20:43,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:20:43,367 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 00:20:43,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:20:43,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 00:20:43,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 00:20:43,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:20:43,369 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:20:43,369 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 00:20:43,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:20:43,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:20:43,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:20:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:20:43,429 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-23 00:20:43,430 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-23 00:20:43,430 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 00:20:43,437 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-23 00:20:43,441 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 00:20:43,441 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 00:20:43,444 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-23 00:20:43,444 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-23 00:20:43,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 12:20:43 BasicIcfg [2024-09-23 00:20:43,445 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 00:20:43,446 INFO L158 Benchmark]: Toolchain (without parser) took 2175.21ms. Allocated memory is still 182.5MB. Free memory was 109.4MB in the beginning and 122.1MB in the end (delta: -12.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:20:43,446 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:20:43,447 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 182.5MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:20:43,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 622.37ms. Allocated memory is still 182.5MB. Free memory was 109.1MB in the beginning and 79.9MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-23 00:20:43,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.88ms. Allocated memory is still 182.5MB. Free memory was 79.9MB in the beginning and 78.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:20:43,452 INFO L158 Benchmark]: Boogie Preprocessor took 33.37ms. Allocated memory is still 182.5MB. Free memory was 78.0MB in the beginning and 76.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:20:43,452 INFO L158 Benchmark]: RCFGBuilder took 532.79ms. Allocated memory is still 182.5MB. Free memory was 76.5MB in the beginning and 126.3MB in the end (delta: -49.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-09-23 00:20:43,452 INFO L158 Benchmark]: TraceAbstraction took 926.02ms. Allocated memory is still 182.5MB. Free memory was 126.3MB in the beginning and 122.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:20:43,454 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 182.5MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 622.37ms. Allocated memory is still 182.5MB. Free memory was 109.1MB in the beginning and 79.9MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.88ms. Allocated memory is still 182.5MB. Free memory was 79.9MB in the beginning and 78.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.37ms. Allocated memory is still 182.5MB. Free memory was 78.0MB in the beginning and 76.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 532.79ms. Allocated memory is still 182.5MB. Free memory was 76.5MB in the beginning and 126.3MB in the end (delta: -49.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * TraceAbstraction took 926.02ms. Allocated memory is still 182.5MB. Free memory was 126.3MB in the beginning and 122.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. 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: 108, independent: 98, independent conditional: 41, independent unconditional: 57, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105, independent: 98, independent conditional: 41, independent unconditional: 57, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 105, independent: 98, independent conditional: 41, independent unconditional: 57, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, independent: 98, independent conditional: 41, independent unconditional: 57, dependent: 15, dependent conditional: 9, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 113, independent: 98, independent conditional: 7, independent unconditional: 91, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 113, independent: 98, independent conditional: 7, independent unconditional: 91, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 69, independent: 63, independent conditional: 5, independent unconditional: 58, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 69, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 9, independent conditional: 5, independent unconditional: 4, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 9, independent conditional: 5, independent unconditional: 4, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, independent: 65, independent conditional: 20, independent unconditional: 46, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 113, independent: 35, independent conditional: 2, independent unconditional: 33, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 69, unknown conditional: 5, unknown unconditional: 64] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 63, Positive conditional cache size: 5, Positive unconditional cache size: 58, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 43, Maximal queried relation: 1, Independence queries for same thread: 3, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 15, Number of trivial persistent sets: 14, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 108, independent: 98, independent conditional: 41, independent unconditional: 57, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105, independent: 98, independent conditional: 41, independent unconditional: 57, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 105, independent: 98, independent conditional: 41, independent unconditional: 57, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, independent: 98, independent conditional: 41, independent unconditional: 57, dependent: 15, dependent conditional: 9, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 113, independent: 98, independent conditional: 7, independent unconditional: 91, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 113, independent: 98, independent conditional: 7, independent unconditional: 91, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 69, independent: 63, independent conditional: 5, independent unconditional: 58, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 69, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 9, independent conditional: 5, independent unconditional: 4, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 9, independent conditional: 5, independent unconditional: 4, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, independent: 65, independent conditional: 20, independent unconditional: 46, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 113, independent: 35, independent conditional: 2, independent unconditional: 33, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 69, unknown conditional: 5, unknown unconditional: 64] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 63, Positive conditional cache size: 5, Positive unconditional cache size: 58, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 43, Maximal queried relation: 1, Independence queries for same thread: 3 - 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: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 31 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 00:20:43,497 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 00:20:43,691 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