./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-05-07_14-17-48.files/mutex-meet/13-privatized_41-traces-ex-7_unknown_1_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b44c8288 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i ./goblint.2024-05-07_14-17-48.files/mutex-meet/13-privatized_41-traces-ex-7_unknown_1_pos.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-b44c828-m [2024-05-12 12:26:58,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-12 12:26:58,318 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-05-12 12:26:58,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-12 12:26:58,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-12 12:26:58,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-12 12:26:58,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-12 12:26:58,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-12 12:26:58,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-05-12 12:26:58,355 INFO L153 SettingsManager]: * Use memory slicer=true [2024-05-12 12:26:58,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-12 12:26:58,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-12 12:26:58,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-12 12:26:58,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-12 12:26:58,357 INFO L153 SettingsManager]: * Use SBE=true [2024-05-12 12:26:58,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-12 12:26:58,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-12 12:26:58,357 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-12 12:26:58,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-12 12:26:58,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-12 12:26:58,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-12 12:26:58,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-12 12:26:58,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-12 12:26:58,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-12 12:26:58,359 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-05-12 12:26:58,359 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-12 12:26:58,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-12 12:26:58,359 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-12 12:26:58,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-12 12:26:58,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-12 12:26:58,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-05-12 12:26:58,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-12 12:26:58,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-05-12 12:26:58,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-12 12:26:58,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-12 12:26:58,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-12 12:26:58,362 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-12 12:26:58,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-12 12:26:58,362 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-12 12:26:58,362 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-05-12 12:26:58,362 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-12 12:26:58,362 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-05-12 12:26:58,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-05-12 12:26:58,362 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-05-12 12:26:58,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-12 12:26:58,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-12 12:26:58,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-12 12:26:58,537 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-05-12 12:26:58,538 INFO L274 PluginConnector]: Witness Parser initialized [2024-05-12 12:26:58,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-07_14-17-48.files/mutex-meet/13-privatized_41-traces-ex-7_unknown_1_pos.yml/witness.yml [2024-05-12 12:26:58,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-12 12:26:58,603 INFO L274 PluginConnector]: CDTParser initialized [2024-05-12 12:26:58,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-05-12 12:26:59,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-12 12:26:59,838 INFO L384 CDTParser]: Found 1 translation units. [2024-05-12 12:26:59,838 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-05-12 12:26:59,862 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9196b04dd/c405be2ef91148288925446bec86991a/FLAGf3af5cf36 [2024-05-12 12:26:59,873 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9196b04dd/c405be2ef91148288925446bec86991a [2024-05-12 12:26:59,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-12 12:26:59,875 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-12 12:26:59,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-12 12:26:59,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-12 12:26:59,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-12 12:26:59,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 12:26:58" (1/2) ... [2024-05-12 12:26:59,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222e3260 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 12:26:59, skipping insertion in model container [2024-05-12 12:26:59,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 12:26:58" (1/2) ... [2024-05-12 12:26:59,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a4487bb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 12:26:59, skipping insertion in model container [2024-05-12 12:26:59,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.05 12:26:59" (2/2) ... [2024-05-12 12:26:59,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222e3260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:26:59, skipping insertion in model container [2024-05-12 12:26:59,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.05 12:26:59" (2/2) ... [2024-05-12 12:26:59,882 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-05-12 12:26:59,903 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-05-12 12:26:59,905 INFO L97 edCorrectnessWitness]: Location invariant before [L695-L695] ((! multithreaded || ((((0 <= g && g <= 17) && g <= 127) && g % 17 == 0) && (g == 0 || g == 17))) && (! multithreaded || (D_locked || ((((0 <= g && g <= 17) && g <= 127) && g % 17 == 0) && (g == 0 || g == 17))))) && (! multithreaded || (A_locked || g == 17)) [2024-05-12 12:26:59,905 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-05-12 12:26:59,906 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-05-12 12:26:59,906 INFO L103 edCorrectnessWitness]: ghost_variable D_locked = 0 [2024-05-12 12:26:59,906 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 1; [2024-05-12 12:26:59,906 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] multithreaded = 1; [2024-05-12 12:26:59,907 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] D_locked = 0; [2024-05-12 12:26:59,907 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] D_locked = 1; [2024-05-12 12:26:59,907 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-05-12 12:26:59,907 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] D_locked = 1; [2024-05-12 12:26:59,907 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] D_locked = 0; [2024-05-12 12:26:59,907 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-05-12 12:26:59,940 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-12 12:27:00,087 WARN L246 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2024-05-12 12:27:00,228 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-05-12 12:27:00,237 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-05-12 12:27:00,273 WARN L246 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] 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 [2024-05-12 12:27:00,317 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-05-12 12:27:00,349 INFO L206 MainTranslator]: Completed translation [2024-05-12 12:27:00,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00 WrapperNode [2024-05-12 12:27:00,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-12 12:27:00,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-12 12:27:00,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-12 12:27:00,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-12 12:27:00,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (1/1) ... [2024-05-12 12:27:00,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (1/1) ... [2024-05-12 12:27:00,385 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-05-12 12:27:00,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-12 12:27:00,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-12 12:27:00,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-12 12:27:00,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-12 12:27:00,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (1/1) ... [2024-05-12 12:27:00,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (1/1) ... [2024-05-12 12:27:00,396 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (1/1) ... [2024-05-12 12:27:00,405 INFO L175 MemorySlicer]: Split 13 memory accesses to 4 slices as follows [2, 5, 5, 1]. 38 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5, 0]. The 1 writes are split as follows [0, 0, 0, 1]. [2024-05-12 12:27:00,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (1/1) ... [2024-05-12 12:27:00,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (1/1) ... [2024-05-12 12:27:00,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (1/1) ... [2024-05-12 12:27:00,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (1/1) ... [2024-05-12 12:27:00,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (1/1) ... [2024-05-12 12:27:00,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (1/1) ... [2024-05-12 12:27:00,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-12 12:27:00,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-12 12:27:00,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-12 12:27:00,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-12 12:27:00,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (1/1) ... [2024-05-12 12:27:00,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-05-12 12:27:00,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-05-12 12:27:00,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-05-12 12:27:00,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-05-12 12:27:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-05-12 12:27:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-05-12 12:27:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-05-12 12:27:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-05-12 12:27:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-12 12:27:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-12 12:27:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-12 12:27:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-05-12 12:27:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-05-12 12:27:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-12 12:27:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-05-12 12:27:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-05-12 12:27:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-05-12 12:27:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-05-12 12:27:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-12 12:27:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-12 12:27:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-12 12:27:00,472 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-12 12:27:00,595 INFO L244 CfgBuilder]: Building ICFG [2024-05-12 12:27:00,598 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-12 12:27:00,744 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-05-12 12:27:00,744 INFO L293 CfgBuilder]: Performing block encoding [2024-05-12 12:27:00,843 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-12 12:27:00,844 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-12 12:27:00,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.05 12:27:00 BoogieIcfgContainer [2024-05-12 12:27:00,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-12 12:27:00,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-12 12:27:00,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-12 12:27:00,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-12 12:27:00,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 12:26:58" (1/4) ... [2024-05-12 12:27:00,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3df9e1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 12.05 12:27:00, skipping insertion in model container [2024-05-12 12:27:00,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.05 12:26:59" (2/4) ... [2024-05-12 12:27:00,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3df9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.05 12:27:00, skipping insertion in model container [2024-05-12 12:27:00,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:27:00" (3/4) ... [2024-05-12 12:27:00,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3df9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.05 12:27:00, skipping insertion in model container [2024-05-12 12:27:00,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.05 12:27:00" (4/4) ... [2024-05-12 12:27:00,855 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-05-12 12:27:00,870 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-12 12:27:00,870 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-12 12:27:00,870 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-12 12:27:00,898 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-12 12:27:00,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 31 places, 28 transitions, 60 flow [2024-05-12 12:27:00,961 INFO L124 PetriNetUnfolderBase]: 1/27 cut-off events. [2024-05-12 12:27:00,963 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-05-12 12:27:00,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 27 events. 1/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 23. Up to 2 conditions per place. [2024-05-12 12:27:00,967 INFO L82 GeneralOperation]: Start removeDead. Operand has 31 places, 28 transitions, 60 flow [2024-05-12 12:27:00,969 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 28 places, 24 transitions, 51 flow [2024-05-12 12:27:00,975 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-12 12:27:00,980 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=PETRI_NET, 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;@26b1f870, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-12 12:27:00,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-12 12:27:00,992 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-05-12 12:27:00,992 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-05-12 12:27:00,992 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-05-12 12:27:00,993 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-05-12 12:27:00,993 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-05-12 12:27:00,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-12 12:27:00,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-12 12:27:01,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1661955919, now seen corresponding path program 1 times [2024-05-12 12:27:01,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-12 12:27:01,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759496772] [2024-05-12 12:27:01,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-12 12:27:01,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-12 12:27:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-12 12:27:01,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-12 12:27:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-12 12:27:01,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-12 12:27:01,154 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-05-12 12:27:01,154 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-05-12 12:27:01,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-05-12 12:27:01,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-12 12:27:01,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-12 12:27:01,157 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-05-12 12:27:01,164 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-12 12:27:01,164 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-12 12:27:01,182 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-05-12 12:27:01,182 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-05-12 12:27:01,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.05 12:27:01 BasicIcfg [2024-05-12 12:27:01,183 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-12 12:27:01,184 INFO L158 Benchmark]: Toolchain (without parser) took 1308.95ms. Allocated memory is still 163.6MB. Free memory was 102.4MB in the beginning and 88.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-05-12 12:27:01,184 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 163.6MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 12:27:01,185 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 163.6MB. Free memory was 118.5MB in the beginning and 118.4MB in the end (delta: 121.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 12:27:01,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.90ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 76.2MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-05-12 12:27:01,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.76ms. Allocated memory is still 163.6MB. Free memory was 76.2MB in the beginning and 74.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-05-12 12:27:01,188 INFO L158 Benchmark]: Boogie Preprocessor took 27.80ms. Allocated memory is still 163.6MB. Free memory was 74.1MB in the beginning and 71.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-05-12 12:27:01,188 INFO L158 Benchmark]: RCFGBuilder took 429.92ms. Allocated memory is still 163.6MB. Free memory was 71.9MB in the beginning and 111.8MB in the end (delta: -39.9MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-05-12 12:27:01,188 INFO L158 Benchmark]: TraceAbstraction took 335.22ms. Allocated memory is still 163.6MB. Free memory was 111.1MB in the beginning and 88.8MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-05-12 12:27:01,190 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 0.09ms. Allocated memory is still 163.6MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 163.6MB. Free memory was 118.5MB in the beginning and 118.4MB in the end (delta: 121.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.90ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 76.2MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.76ms. Allocated memory is still 163.6MB. Free memory was 76.2MB in the beginning and 74.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.80ms. Allocated memory is still 163.6MB. Free memory was 74.1MB in the beginning and 71.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.92ms. Allocated memory is still 163.6MB. Free memory was 71.9MB in the beginning and 111.8MB in the end (delta: -39.9MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * TraceAbstraction took 335.22ms. Allocated memory is still 163.6MB. Free memory was 111.1MB in the beginning and 88.8MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 695]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L1] 0 //@ ghost int A_locked = 0; [L1] 0 //@ ghost int multithreaded = 0; [L1] 0 //@ ghost int D_locked = 0; [L681] 0 int g = 0; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] 0 //@ ghost multithreaded = 1; [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, D={4:0}, \old(arg)={0:0}, g=0, id={5:0}] [L695] 0 //@ assert (((!multithreaded || (((((0 <= g) && (g <= 17)) && (g <= 127)) && ((g % 17) == 0)) && ((g == 0) || (g == 17)))) && (!multithreaded || (D_locked || (((((0 <= g) && (g <= 17)) && (g <= 127)) && ((g % 17) == 0)) && ((g == 0) || (g == 17)))))) && (!multithreaded || (A_locked || (g == 17)))); VAL [A={3:0}, D={4:0}, \old(arg)={0:0}, g=0, id={5:0}] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 39 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2024-05-12 12:27:01,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE