./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_27-multiple-protecting2_true.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_27-multiple-protecting2_true.i ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_27-multiple-protecting2_true.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 [2024-07-22 14:40:21,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 14:40:21,422 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 14:40:21,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 14:40:21,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 14:40:21,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 14:40:21,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 14:40:21,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 14:40:21,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 14:40:21,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 14:40:21,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 14:40:21,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 14:40:21,476 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 14:40:21,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 14:40:21,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 14:40:21,480 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 14:40:21,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 14:40:21,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 14:40:21,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 14:40:21,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 14:40:21,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 14:40:21,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 14:40:21,482 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 14:40:21,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 14:40:21,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 14:40:21,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 14:40:21,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 14:40:21,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 14:40:21,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 14:40:21,485 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 14:40:21,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 14:40:21,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 14:40:21,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 14:40:21,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 14:40:21,487 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 14:40:21,487 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 14:40:21,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 14:40:21,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 14:40:21,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 14:40:21,488 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 14:40:21,488 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 14:40:21,488 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 14:40:21,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 14:40:21,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 14:40:21,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 14:40:21,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 14:40:21,758 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 14:40:21,759 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 14:40:21,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/13-privatized_27-multiple-protecting2_true.yml/witness.yml [2024-07-22 14:40:21,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 14:40:21,925 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 14:40:21,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-07-22 14:40:23,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 14:40:23,368 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 14:40:23,369 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-07-22 14:40:23,383 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7fe3019f6/7dcb789d985e439ea6dfe49a6470f72b/FLAGcc22670b1 [2024-07-22 14:40:23,401 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7fe3019f6/7dcb789d985e439ea6dfe49a6470f72b [2024-07-22 14:40:23,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 14:40:23,404 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 14:40:23,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 14:40:23,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 14:40:23,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 14:40:23,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:40:21" (1/2) ... [2024-07-22 14:40:23,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e44012a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:40:23, skipping insertion in model container [2024-07-22 14:40:23,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:40:21" (1/2) ... [2024-07-22 14:40:23,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d381ce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:40:23, skipping insertion in model container [2024-07-22 14:40:23,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:40:23" (2/2) ... [2024-07-22 14:40:23,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e44012a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:23, skipping insertion in model container [2024-07-22 14:40:23,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:40:23" (2/2) ... [2024-07-22 14:40:23,416 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 14:40:23,469 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 14:40:23,470 INFO L97 edCorrectnessWitness]: Location invariant before [L711-L711] (! multithreaded || 0 <= g2) && (! multithreaded || 0 <= g1) [2024-07-22 14:40:23,471 INFO L97 edCorrectnessWitness]: Location invariant before [L712-L712] (! multithreaded || 0 <= g2) && (! multithreaded || 0 <= g1) [2024-07-22 14:40:23,471 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-07-22 14:40:23,471 INFO L103 edCorrectnessWitness]: ghost_variable __global_lock_locked = 0 [2024-07-22 14:40:23,472 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-07-22 14:40:23,472 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 14:40:23,472 INFO L106 edCorrectnessWitness]: ghost_update [L723-L723] mutex2_locked = 0; [2024-07-22 14:40:23,473 INFO L106 edCorrectnessWitness]: ghost_update [L727-L727] mutex1_locked = 0; [2024-07-22 14:40:23,473 INFO L106 edCorrectnessWitness]: ghost_update [L710-L710] multithreaded = 1; [2024-07-22 14:40:23,473 INFO L106 edCorrectnessWitness]: ghost_update [L726-L726] __global_lock_locked = 0; [2024-07-22 14:40:23,473 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] __global_lock_locked = 1; [2024-07-22 14:40:23,473 INFO L106 edCorrectnessWitness]: ghost_update [L720-L720] __global_lock_locked = 1; [2024-07-22 14:40:23,473 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] mutex2_locked = 0; [2024-07-22 14:40:23,474 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] mutex1_locked = 0; [2024-07-22 14:40:23,474 INFO L106 edCorrectnessWitness]: ghost_update [L712-L712] mutex1_locked = 1; [2024-07-22 14:40:23,474 INFO L106 edCorrectnessWitness]: ghost_update [L717-L717] __global_lock_locked = 1; [2024-07-22 14:40:23,474 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex1_locked = 1; [2024-07-22 14:40:23,474 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] __global_lock_locked = 0; [2024-07-22 14:40:23,474 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] mutex2_locked = 1; [2024-07-22 14:40:23,475 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] __global_lock_locked = 1; [2024-07-22 14:40:23,475 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] __global_lock_locked = 1; [2024-07-22 14:40:23,475 INFO L106 edCorrectnessWitness]: ghost_update [L713-L713] __global_lock_locked = 1; [2024-07-22 14:40:23,475 INFO L106 edCorrectnessWitness]: ghost_update [L715-L715] __global_lock_locked = 0; [2024-07-22 14:40:23,476 INFO L106 edCorrectnessWitness]: ghost_update [L722-L722] __global_lock_locked = 0; [2024-07-22 14:40:23,476 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] __global_lock_locked = 0; [2024-07-22 14:40:23,476 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] __global_lock_locked = 0; [2024-07-22 14:40:23,476 INFO L106 edCorrectnessWitness]: ghost_update [L719-L719] __global_lock_locked = 0; [2024-07-22 14:40:23,476 INFO L106 edCorrectnessWitness]: ghost_update [L724-L724] __global_lock_locked = 1; [2024-07-22 14:40:23,476 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] __global_lock_locked = 0; [2024-07-22 14:40:23,477 INFO L106 edCorrectnessWitness]: ghost_update [L716-L716] mutex2_locked = 1; [2024-07-22 14:40:23,477 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] __global_lock_locked = 1; [2024-07-22 14:40:23,518 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 14:40:23,880 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 14:40:23,894 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 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 [2024-07-22 14:40:24,001 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 14:40:24,036 INFO L206 MainTranslator]: Completed translation [2024-07-22 14:40:24,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24 WrapperNode [2024-07-22 14:40:24,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 14:40:24,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 14:40:24,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 14:40:24,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 14:40:24,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24" (1/1) ... [2024-07-22 14:40:24,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24" (1/1) ... [2024-07-22 14:40:24,108 INFO L138 Inliner]: procedures = 163, calls = 55, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 137 [2024-07-22 14:40:24,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 14:40:24,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 14:40:24,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 14:40:24,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 14:40:24,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24" (1/1) ... [2024-07-22 14:40:24,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24" (1/1) ... [2024-07-22 14:40:24,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24" (1/1) ... [2024-07-22 14:40:24,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24" (1/1) ... [2024-07-22 14:40:24,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24" (1/1) ... [2024-07-22 14:40:24,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24" (1/1) ... [2024-07-22 14:40:24,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24" (1/1) ... [2024-07-22 14:40:24,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24" (1/1) ... [2024-07-22 14:40:24,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 14:40:24,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 14:40:24,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 14:40:24,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 14:40:24,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24" (1/1) ... [2024-07-22 14:40:24,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 14:40:24,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 14:40:24,205 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) [2024-07-22 14:40:24,207 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 [2024-07-22 14:40:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-07-22 14:40:24,235 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-07-22 14:40:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 14:40:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 14:40:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-07-22 14:40:24,235 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-07-22 14:40:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 14:40:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 14:40:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 14:40:24,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 14:40:24,237 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 14:40:24,349 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 14:40:24,351 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 14:40:24,718 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 14:40:24,719 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 14:40:24,938 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 14:40:24,938 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-22 14:40:24,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:40:24 BoogieIcfgContainer [2024-07-22 14:40:24,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 14:40:24,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 14:40:24,942 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 14:40:24,945 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 14:40:24,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:40:21" (1/4) ... [2024-07-22 14:40:24,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37550810 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 02:40:24, skipping insertion in model container [2024-07-22 14:40:24,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:40:23" (2/4) ... [2024-07-22 14:40:24,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37550810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:40:24, skipping insertion in model container [2024-07-22 14:40:24,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:24" (3/4) ... [2024-07-22 14:40:24,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37550810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:40:24, skipping insertion in model container [2024-07-22 14:40:24,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:40:24" (4/4) ... [2024-07-22 14:40:24,949 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2024-07-22 14:40:24,964 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 14:40:24,965 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-07-22 14:40:24,965 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 14:40:25,012 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-07-22 14:40:25,051 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 14:40:25,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 14:40:25,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 14:40:25,057 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) [2024-07-22 14:40:25,060 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 [2024-07-22 14:40:25,097 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 14:40:25,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 14:40:25,115 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;@61ea5dcb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 14:40:25,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-22 14:40:25,339 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 14:40:25,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:40:25,344 INFO L85 PathProgramCache]: Analyzing trace with hash -529953178, now seen corresponding path program 1 times [2024-07-22 14:40:25,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:40:25,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692803357] [2024-07-22 14:40:25,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:40:25,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:40:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:40:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:40:25,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:40:25,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692803357] [2024-07-22 14:40:25,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692803357] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:40:25,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:40:25,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 14:40:25,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767643470] [2024-07-22 14:40:25,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:40:25,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 14:40:25,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:40:25,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 14:40:25,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-07-22 14:40:25,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:25,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:40:25,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 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) [2024-07-22 14:40:25,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:40:25,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 14:40:25,981 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 14:40:25,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:40:25,981 INFO L85 PathProgramCache]: Analyzing trace with hash -2103012090, now seen corresponding path program 1 times [2024-07-22 14:40:25,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:40:25,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554467701] [2024-07-22 14:40:25,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:40:25,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:40:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:40:26,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:40:26,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:40:26,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554467701] [2024-07-22 14:40:26,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554467701] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:40:26,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:40:26,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 14:40:26,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779466220] [2024-07-22 14:40:26,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:40:26,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 14:40:26,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:40:26,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 14:40:26,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-07-22 14:40:26,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:26,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:40:26,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-07-22 14:40:26,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:40:26,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:26,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:40:26,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 14:40:26,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 14:40:26,599 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 14:40:26,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:40:26,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1050718138, now seen corresponding path program 2 times [2024-07-22 14:40:26,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:40:26,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357832453] [2024-07-22 14:40:26,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:40:26,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:40:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:40:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:40:26,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:40:26,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357832453] [2024-07-22 14:40:26,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357832453] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:40:26,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:40:26,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 14:40:26,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22306605] [2024-07-22 14:40:26,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:40:26,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-22 14:40:26,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:40:26,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-22 14:40:26,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-07-22 14:40:26,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:26,854 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:40:26,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-07-22 14:40:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:40:26,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 14:40:26,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:40:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 14:40:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:27,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 14:40:27,010 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 14:40:27,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:40:27,018 INFO L85 PathProgramCache]: Analyzing trace with hash 823986080, now seen corresponding path program 3 times [2024-07-22 14:40:27,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:40:27,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706388008] [2024-07-22 14:40:27,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:40:27,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:40:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:40:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:40:27,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:40:27,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706388008] [2024-07-22 14:40:27,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706388008] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:40:27,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:40:27,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 14:40:27,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834413496] [2024-07-22 14:40:27,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:40:27,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-22 14:40:27,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:40:27,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-22 14:40:27,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-07-22 14:40:27,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:27,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:40:27,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-07-22 14:40:27,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:40:27,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 14:40:27,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:27,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:27,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:40:27,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 14:40:27,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:27,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:27,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-22 14:40:27,443 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 14:40:27,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:40:27,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1209382970, now seen corresponding path program 4 times [2024-07-22 14:40:27,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:40:27,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212022470] [2024-07-22 14:40:27,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:40:27,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:40:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:40:27,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:40:27,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:40:27,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212022470] [2024-07-22 14:40:27,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212022470] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:40:27,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:40:27,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 14:40:27,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879501701] [2024-07-22 14:40:27,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:40:27,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-22 14:40:27,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:40:27,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-22 14:40:27,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-07-22 14:40:27,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:27,565 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:40:27,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-07-22 14:40:27,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:40:27,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 14:40:27,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:27,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:27,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:27,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:40:27,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 14:40:27,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:27,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:27,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:27,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-22 14:40:27,729 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 14:40:27,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:40:27,730 INFO L85 PathProgramCache]: Analyzing trace with hash -2127466720, now seen corresponding path program 5 times [2024-07-22 14:40:27,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:40:27,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613464657] [2024-07-22 14:40:27,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:40:27,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:40:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:40:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:40:27,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:40:27,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613464657] [2024-07-22 14:40:27,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613464657] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:40:27,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:40:27,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 14:40:27,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93357415] [2024-07-22 14:40:27,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:40:27,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-22 14:40:27,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:40:27,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-22 14:40:27,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-07-22 14:40:27,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:27,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:40:27,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-07-22 14:40:27,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:40:27,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 14:40:27,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:27,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:27,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:27,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:28,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 14:40:28,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 14:40:28,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:28,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:28,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:28,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 14:40:28,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-07-22 14:40:28,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-22 14:40:28,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-22 14:40:28,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-22 14:40:28,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-22 14:40:28,154 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1] [2024-07-22 14:40:28,157 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 14:40:28,157 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 14:40:28,159 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-22 14:40:28,159 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-22 14:40:28,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:40:28 BasicIcfg [2024-07-22 14:40:28,160 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 14:40:28,160 INFO L158 Benchmark]: Toolchain (without parser) took 4756.52ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 105.7MB in the beginning and 124.7MB in the end (delta: -19.0MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2024-07-22 14:40:28,162 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 14:40:28,163 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 140.5MB. Free memory was 112.1MB in the beginning and 112.0MB in the end (delta: 80.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 14:40:28,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.71ms. Allocated memory is still 140.5MB. Free memory was 105.3MB in the beginning and 75.4MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-07-22 14:40:28,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.41ms. Allocated memory is still 140.5MB. Free memory was 75.4MB in the beginning and 72.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 14:40:28,166 INFO L158 Benchmark]: Boogie Preprocessor took 68.57ms. Allocated memory is still 140.5MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 14:40:28,167 INFO L158 Benchmark]: RCFGBuilder took 759.66ms. Allocated memory is still 140.5MB. Free memory was 71.3MB in the beginning and 89.2MB in the end (delta: -17.9MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2024-07-22 14:40:28,168 INFO L158 Benchmark]: TraceAbstraction took 3218.31ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 88.5MB in the beginning and 124.7MB in the end (delta: -36.2MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. [2024-07-22 14:40:28,170 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 0.21ms. Allocated memory is still 140.5MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 140.5MB. Free memory was 112.1MB in the beginning and 112.0MB in the end (delta: 80.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.71ms. Allocated memory is still 140.5MB. Free memory was 105.3MB in the beginning and 75.4MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.41ms. Allocated memory is still 140.5MB. Free memory was 75.4MB in the beginning and 72.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.57ms. Allocated memory is still 140.5MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 759.66ms. Allocated memory is still 140.5MB. Free memory was 71.3MB in the beginning and 89.2MB in the end (delta: -17.9MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3218.31ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 88.5MB in the beginning and 124.7MB in the end (delta: -36.2MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5742, independent: 5520, independent conditional: 4491, independent unconditional: 1029, dependent: 222, dependent conditional: 160, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5690, independent: 5520, independent conditional: 4491, independent unconditional: 1029, dependent: 170, dependent conditional: 108, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5690, independent: 5520, independent conditional: 4491, independent unconditional: 1029, dependent: 170, dependent conditional: 108, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6085, independent: 5520, independent conditional: 5, independent unconditional: 5515, dependent: 565, dependent conditional: 390, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6085, independent: 5520, independent conditional: 5, independent unconditional: 5515, dependent: 565, dependent conditional: 1, dependent unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6085, independent: 5520, independent conditional: 5, independent unconditional: 5515, dependent: 565, dependent conditional: 1, dependent unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1098, independent: 1035, independent conditional: 5, independent unconditional: 1030, dependent: 63, dependent conditional: 1, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1098, independent: 973, independent conditional: 0, independent unconditional: 973, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 125, independent: 62, independent conditional: 5, independent unconditional: 57, dependent: 63, dependent conditional: 1, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 125, independent: 62, independent conditional: 5, independent unconditional: 57, dependent: 63, dependent conditional: 1, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, independent: 188, independent conditional: 11, independent unconditional: 177, dependent: 156, dependent conditional: 4, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6085, independent: 4485, independent conditional: 0, independent unconditional: 4485, dependent: 502, dependent conditional: 0, dependent unconditional: 502, unknown: 1098, unknown conditional: 6, unknown unconditional: 1092] , Statistics on independence cache: Total cache size (in pairs): 1098, Positive cache size: 1035, Positive conditional cache size: 5, Positive unconditional cache size: 1030, Negative cache size: 63, Negative conditional cache size: 1, Negative unconditional cache size: 62, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 389, Maximal queried relation: 6, Independence queries for same thread: 52 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 437, Number of trivial persistent sets: 437, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1091, independent: 1029, independent conditional: 0, independent unconditional: 1029, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5742, independent: 5520, independent conditional: 4491, independent unconditional: 1029, dependent: 222, dependent conditional: 160, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5690, independent: 5520, independent conditional: 4491, independent unconditional: 1029, dependent: 170, dependent conditional: 108, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5690, independent: 5520, independent conditional: 4491, independent unconditional: 1029, dependent: 170, dependent conditional: 108, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6085, independent: 5520, independent conditional: 5, independent unconditional: 5515, dependent: 565, dependent conditional: 390, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6085, independent: 5520, independent conditional: 5, independent unconditional: 5515, dependent: 565, dependent conditional: 1, dependent unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6085, independent: 5520, independent conditional: 5, independent unconditional: 5515, dependent: 565, dependent conditional: 1, dependent unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1098, independent: 1035, independent conditional: 5, independent unconditional: 1030, dependent: 63, dependent conditional: 1, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1098, independent: 973, independent conditional: 0, independent unconditional: 973, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 125, independent: 62, independent conditional: 5, independent unconditional: 57, dependent: 63, dependent conditional: 1, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 125, independent: 62, independent conditional: 5, independent unconditional: 57, dependent: 63, dependent conditional: 1, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, independent: 188, independent conditional: 11, independent unconditional: 177, dependent: 156, dependent conditional: 4, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6085, independent: 4485, independent conditional: 0, independent unconditional: 4485, dependent: 502, dependent conditional: 0, dependent unconditional: 502, unknown: 1098, unknown conditional: 6, unknown unconditional: 1092] , Statistics on independence cache: Total cache size (in pairs): 1098, Positive cache size: 1035, Positive conditional cache size: 5, Positive unconditional cache size: 1030, Negative cache size: 63, Negative conditional cache size: 1, Negative unconditional cache size: 62, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 389, Maximal queried relation: 6, Independence queries for same thread: 52 - PositiveResult [Line: 711]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 712]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 96 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 1.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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, 1.2s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 1302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-22 14:40:28,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-22 14:40:28,405 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