./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_19-publish-precision_unknown_2_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_19-publish-precision_unknown_2_neg.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-23 00:26:10,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-23 00:26:10,157 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-23 00:26:10,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-23 00:26:10,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-23 00:26:10,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-23 00:26:10,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-23 00:26:10,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-23 00:26:10,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-23 00:26:10,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-23 00:26:10,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-23 00:26:10,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-23 00:26:10,194 INFO L153 SettingsManager]: * Use SBE=true [2024-07-23 00:26:10,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-23 00:26:10,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-23 00:26:10,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-23 00:26:10,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-23 00:26:10,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-23 00:26:10,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-23 00:26:10,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-23 00:26:10,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-23 00:26:10,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-23 00:26:10,198 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-23 00:26:10,198 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-23 00:26:10,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-23 00:26:10,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-23 00:26:10,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-23 00:26:10,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-23 00:26:10,200 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-23 00:26:10,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-23 00:26:10,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-23 00:26:10,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-23 00:26:10,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-23 00:26:10,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-23 00:26:10,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-23 00:26:10,202 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-23 00:26:10,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-23 00:26:10,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-23 00:26:10,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-23 00:26:10,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-23 00:26:10,203 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-23 00:26:10,203 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-23 00:26:10,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-23 00:26:10,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-23 00:26:10,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-23 00:26:10,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-23 00:26:10,393 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-23 00:26:10,394 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-23 00:26:10,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_19-publish-precision_unknown_2_neg.yml/witness.yml [2024-07-23 00:26:10,477 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-23 00:26:10,478 INFO L274 PluginConnector]: CDTParser initialized [2024-07-23 00:26:10,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-07-23 00:26:11,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-23 00:26:11,762 INFO L384 CDTParser]: Found 1 translation units. [2024-07-23 00:26:11,762 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-07-23 00:26:11,773 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fa9bab1db/c0478c272384470eb6d4c46f156e0690/FLAG8738e9487 [2024-07-23 00:26:11,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fa9bab1db/c0478c272384470eb6d4c46f156e0690 [2024-07-23 00:26:11,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-23 00:26:11,785 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-23 00:26:11,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-23 00:26:11,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-23 00:26:11,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-23 00:26:11,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.07 12:26:10" (1/2) ... [2024-07-23 00:26:11,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d86449 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:11, skipping insertion in model container [2024-07-23 00:26:11,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.07 12:26:10" (1/2) ... [2024-07-23 00:26:11,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46bb17f7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:11, skipping insertion in model container [2024-07-23 00:26:11,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:26:11" (2/2) ... [2024-07-23 00:26:11,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d86449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:11, skipping insertion in model container [2024-07-23 00:26:11,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:26:11" (2/2) ... [2024-07-23 00:26:11,799 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-23 00:26:11,837 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-23 00:26:11,838 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ((! multithreaded || (glob1 == 0 || glob1 == 5)) && (! multithreaded || (mutex2_locked || (glob1 == 0 || glob1 == 5)))) && (! multithreaded || (mutex1_locked || glob1 == 0)) [2024-07-23 00:26:11,838 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-07-23 00:26:11,838 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-23 00:26:11,838 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-07-23 00:26:11,839 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] mutex2_locked = 1; [2024-07-23 00:26:11,839 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-07-23 00:26:11,839 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] mutex1_locked = 0; [2024-07-23 00:26:11,839 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-07-23 00:26:11,839 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] mutex2_locked = 0; [2024-07-23 00:26:11,839 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] mutex2_locked = 0; [2024-07-23 00:26:11,840 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] mutex2_locked = 0; [2024-07-23 00:26:11,840 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] mutex1_locked = 1; [2024-07-23 00:26:11,840 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] mutex2_locked = 1; [2024-07-23 00:26:11,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-23 00:26:12,151 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-23 00:26:12,170 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-23 00:26:12,235 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-23 00:26:12,264 INFO L206 MainTranslator]: Completed translation [2024-07-23 00:26:12,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12 WrapperNode [2024-07-23 00:26:12,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-23 00:26:12,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-23 00:26:12,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-23 00:26:12,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-23 00:26:12,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12" (1/1) ... [2024-07-23 00:26:12,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12" (1/1) ... [2024-07-23 00:26:12,295 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-07-23 00:26:12,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-23 00:26:12,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-23 00:26:12,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-23 00:26:12,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-23 00:26:12,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12" (1/1) ... [2024-07-23 00:26:12,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12" (1/1) ... [2024-07-23 00:26:12,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12" (1/1) ... [2024-07-23 00:26:12,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12" (1/1) ... [2024-07-23 00:26:12,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12" (1/1) ... [2024-07-23 00:26:12,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12" (1/1) ... [2024-07-23 00:26:12,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12" (1/1) ... [2024-07-23 00:26:12,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12" (1/1) ... [2024-07-23 00:26:12,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-23 00:26:12,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-23 00:26:12,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-23 00:26:12,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-23 00:26:12,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12" (1/1) ... [2024-07-23 00:26:12,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-23 00:26:12,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-23 00:26:12,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-23 00:26:12,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-23 00:26:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-23 00:26:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-23 00:26:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-07-23 00:26:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-07-23 00:26:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-23 00:26:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-23 00:26:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-23 00:26:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-23 00:26:12,394 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-23 00:26:12,499 INFO L244 CfgBuilder]: Building ICFG [2024-07-23 00:26:12,501 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-23 00:26:12,664 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-23 00:26:12,665 INFO L293 CfgBuilder]: Performing block encoding [2024-07-23 00:26:12,773 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-23 00:26:12,773 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-23 00:26:12,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:26:12 BoogieIcfgContainer [2024-07-23 00:26:12,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-23 00:26:12,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-23 00:26:12,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-23 00:26:12,777 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-23 00:26:12,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.07 12:26:10" (1/4) ... [2024-07-23 00:26:12,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6f575a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.07 12:26:12, skipping insertion in model container [2024-07-23 00:26:12,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:26:11" (2/4) ... [2024-07-23 00:26:12,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6f575a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:26:12, skipping insertion in model container [2024-07-23 00:26:12,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:12" (3/4) ... [2024-07-23 00:26:12,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6f575a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:26:12, skipping insertion in model container [2024-07-23 00:26:12,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:26:12" (4/4) ... [2024-07-23 00:26:12,779 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2024-07-23 00:26:12,794 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-23 00:26:12,794 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-23 00:26:12,795 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-23 00:26:12,831 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-07-23 00:26:12,859 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-23 00:26:12,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-23 00:26:12,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-23 00:26:12,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-23 00:26:12,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-23 00:26:12,894 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-23 00:26:12,904 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-23 00:26:12,909 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2cb5341d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-23 00:26:12,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-07-23 00:26:13,068 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-23 00:26:13,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-23 00:26:13,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1761267762, now seen corresponding path program 1 times [2024-07-23 00:26:13,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-23 00:26:13,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432901781] [2024-07-23 00:26:13,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-23 00:26:13,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-23 00:26:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-23 00:26:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-23 00:26:13,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-23 00:26:13,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432901781] [2024-07-23 00:26:13,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432901781] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-23 00:26:13,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-23 00:26:13,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-23 00:26:13,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577710012] [2024-07-23 00:26:13,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-23 00:26:13,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-23 00:26:13,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-23 00:26:13,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-23 00:26:13,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-23 00:26:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-23 00:26:13,422 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-23 00:26:13,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-23 00:26:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-23 00:26:13,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-23 00:26:13,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-23 00:26:13,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-23 00:26:13,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-23 00:26:13,456 INFO L85 PathProgramCache]: Analyzing trace with hash -309463823, now seen corresponding path program 1 times [2024-07-23 00:26:13,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-23 00:26:13,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858095658] [2024-07-23 00:26:13,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-23 00:26:13,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-23 00:26:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-23 00:26:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-23 00:26:13,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-23 00:26:13,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858095658] [2024-07-23 00:26:13,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858095658] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-23 00:26:13,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-23 00:26:13,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-23 00:26:13,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321417256] [2024-07-23 00:26:13,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-23 00:26:13,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-23 00:26:13,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-23 00:26:13,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-23 00:26:13,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-07-23 00:26:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-23 00:26:13,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-23 00:26:13,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-23 00:26:13,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-23 00:26:13,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-23 00:26:13,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-23 00:26:13,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-23 00:26:13,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-07-23 00:26:13,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-07-23 00:26:13,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-23 00:26:13,652 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-07-23 00:26:13,654 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-23 00:26:13,655 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-23 00:26:13,656 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-07-23 00:26:13,656 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-07-23 00:26:13,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 12:26:13 BasicIcfg [2024-07-23 00:26:13,658 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-23 00:26:13,658 INFO L158 Benchmark]: Toolchain (without parser) took 1873.62ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 74.0MB in the beginning and 119.3MB in the end (delta: -45.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-23 00:26:13,659 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 102.7MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-23 00:26:13,659 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-23 00:26:13,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.17ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 73.7MB in the beginning and 149.6MB in the end (delta: -75.9MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-07-23 00:26:13,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.37ms. Allocated memory is still 195.0MB. Free memory was 149.6MB in the beginning and 147.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-23 00:26:13,664 INFO L158 Benchmark]: Boogie Preprocessor took 36.07ms. Allocated memory is still 195.0MB. Free memory was 147.6MB in the beginning and 146.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-23 00:26:13,665 INFO L158 Benchmark]: RCFGBuilder took 438.40ms. Allocated memory is still 195.0MB. Free memory was 146.5MB in the beginning and 119.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-07-23 00:26:13,665 INFO L158 Benchmark]: TraceAbstraction took 882.96ms. Allocated memory is still 195.0MB. Free memory was 118.2MB in the beginning and 119.3MB in the end (delta: -1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-23 00:26:13,666 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 0.15ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 102.7MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.17ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 73.7MB in the beginning and 149.6MB in the end (delta: -75.9MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.37ms. Allocated memory is still 195.0MB. Free memory was 149.6MB in the beginning and 147.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.07ms. Allocated memory is still 195.0MB. Free memory was 147.6MB in the beginning and 146.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 438.40ms. Allocated memory is still 195.0MB. Free memory was 146.5MB in the beginning and 119.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 882.96ms. Allocated memory is still 195.0MB. Free memory was 118.2MB in the beginning and 119.3MB in the end (delta: -1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 149, independent: 136, independent conditional: 39, independent unconditional: 97, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 149, independent: 136, independent conditional: 39, independent unconditional: 97, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 149, independent: 136, independent conditional: 39, independent unconditional: 97, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 150, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 150, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 150, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 109, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 109, independent: 76, independent conditional: 0, independent unconditional: 76, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 150, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 109, unknown conditional: 0, unknown unconditional: 109] , Statistics on independence cache: Total cache size (in pairs): 109, Positive cache size: 97, Positive conditional cache size: 0, Positive unconditional cache size: 97, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 31, Number of trivial persistent sets: 31, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 109, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 149, independent: 136, independent conditional: 39, independent unconditional: 97, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 149, independent: 136, independent conditional: 39, independent unconditional: 97, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 149, independent: 136, independent conditional: 39, independent unconditional: 97, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 150, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 150, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 150, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 109, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 109, independent: 76, independent conditional: 0, independent unconditional: 76, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 150, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 109, unknown conditional: 0, unknown unconditional: 109] , Statistics on independence cache: Total cache size (in pairs): 109, Positive cache size: 97, Positive conditional cache size: 0, Positive unconditional cache size: 97, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 0 - PositiveResult [Line: 698]: 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, 42 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 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! [2024-07-23 00:26:13,689 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 [2024-07-23 00:26:13,900 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