./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 59af5db6 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/pthread-ext/48_ticket_lock_low_contention_vs.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.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-dev-59af5db-m [2024-02-02 09:12:45,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:12:45,360 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:12:45,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:12:45,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:12:45,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:12:45,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:12:45,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:12:45,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:12:45,393 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:12:45,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:12:45,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:12:45,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:12:45,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:12:45,396 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:12:45,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:12:45,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:12:45,397 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:12:45,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:12:45,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:12:45,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:12:45,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:12:45,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:12:45,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:12:45,398 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:12:45,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:12:45,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:12:45,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:12:45,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:12:45,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:12:45,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:12:45,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:12:45,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:12:45,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:12:45,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:12:45,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:12:45,401 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:12:45,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:12:45,402 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:12:45,402 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:12:45,402 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:12:45,402 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:12:45,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:12:45,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:12:45,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:12:45,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:12:45,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:12:45,625 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:12:45,626 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:12:45,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-02 09:12:46,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:12:46,838 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:12:46,838 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-02 09:12:46,848 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd7c0596/356622e0ab6549ba84deb99cb0ab430c/FLAG3e34d7017 [2024-02-02 09:12:46,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd7c0596/356622e0ab6549ba84deb99cb0ab430c [2024-02-02 09:12:46,863 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:12:46,863 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:12:46,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml [2024-02-02 09:12:46,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:12:46,935 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:12:46,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:12:46,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:12:46,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:12:46,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:12:46" (1/2) ... [2024-02-02 09:12:46,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6588264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:46, skipping insertion in model container [2024-02-02 09:12:46,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:12:46" (1/2) ... [2024-02-02 09:12:46,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e52f90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:46, skipping insertion in model container [2024-02-02 09:12:46,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:12:46" (2/2) ... [2024-02-02 09:12:46,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6588264 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:46, skipping insertion in model container [2024-02-02 09:12:46,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:12:46" (2/2) ... [2024-02-02 09:12:46,944 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:12:46,971 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:12:46,973 INFO L101 nessWitnessExtractor]: Location invariant before [L717-L717] (((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:46,973 INFO L101 nessWitnessExtractor]: Loop invariant at [L717-L717] (unsigned long )arg == 0UL [2024-02-02 09:12:46,974 INFO L101 nessWitnessExtractor]: Location invariant before [L719-L719] (((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:46,974 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] ((((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:46,974 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] ((((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:46,975 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] ((((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:46,975 INFO L101 nessWitnessExtractor]: Location invariant before [L720-L720] (unsigned long )arg == 0UL [2024-02-02 09:12:46,975 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] ((((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:46,975 INFO L101 nessWitnessExtractor]: Loop invariant at [L717-L717] (unsigned long )arg == 0UL [2024-02-02 09:12:46,975 INFO L101 nessWitnessExtractor]: Location invariant before [L717-L717] (((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:46,975 INFO L101 nessWitnessExtractor]: Location invariant before [L719-L719] (((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:47,012 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:12:47,317 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-02-02 09:12:47,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:12:47,337 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-02-02 09:12:47,392 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local [2024-02-02 09:12:47,393 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-02-02 09:12:47,394 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local [2024-02-02 09:12:47,395 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local [2024-02-02 09:12:47,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:12:47,420 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:12:47,420 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47 WrapperNode [2024-02-02 09:12:47,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:12:47,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:12:47,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:12:47,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:12:47,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47" (1/1) ... [2024-02-02 09:12:47,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47" (1/1) ... [2024-02-02 09:12:47,454 INFO L138 Inliner]: procedures = 172, calls = 23, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 118 [2024-02-02 09:12:47,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:12:47,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:12:47,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:12:47,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:12:47,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47" (1/1) ... [2024-02-02 09:12:47,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47" (1/1) ... [2024-02-02 09:12:47,465 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47" (1/1) ... [2024-02-02 09:12:47,474 INFO L175 MemorySlicer]: Split 7 memory accesses to 4 slices as follows [2, 2, 2, 1]. 29 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0, 0]. The 3 writes are split as follows [1, 0, 1, 1]. [2024-02-02 09:12:47,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47" (1/1) ... [2024-02-02 09:12:47,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47" (1/1) ... [2024-02-02 09:12:47,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47" (1/1) ... [2024-02-02 09:12:47,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47" (1/1) ... [2024-02-02 09:12:47,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47" (1/1) ... [2024-02-02 09:12:47,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47" (1/1) ... [2024-02-02 09:12:47,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:12:47,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:12:47,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:12:47,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:12:47,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:47" (1/1) ... [2024-02-02 09:12:47,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:12:47,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:12:47,508 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) [2024-02-02 09:12:47,513 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 [2024-02-02 09:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-02 09:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-02 09:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-02-02 09:12:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-02-02 09:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-02 09:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-02 09:12:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:12:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:12:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:12:47,542 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:12:47,640 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:12:47,642 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:12:47,798 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:12:47,798 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:12:47,897 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume 0 == (~arg#1.base + ~arg#1.offset) % 4294967296;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-02-02 09:12:47,906 INFO L158 Benchmark]: Toolchain (without parser) took 970.10ms. Allocated memory is still 178.3MB. Free memory was 107.8MB in the beginning and 101.3MB in the end (delta: 6.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-02-02 09:12:47,908 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory was 76.1MB in the beginning and 76.1MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:12:47,908 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:12:47,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.25ms. Allocated memory is still 178.3MB. Free memory was 107.6MB in the beginning and 138.3MB in the end (delta: -30.7MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-02-02 09:12:47,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.11ms. Allocated memory is still 178.3MB. Free memory was 138.3MB in the beginning and 136.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:12:47,910 INFO L158 Benchmark]: Boogie Preprocessor took 31.56ms. Allocated memory is still 178.3MB. Free memory was 136.2MB in the beginning and 133.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:12:47,911 INFO L158 Benchmark]: RCFGBuilder took 414.99ms. Allocated memory is still 178.3MB. Free memory was 133.5MB in the beginning and 101.4MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-02-02 09:12:47,913 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory was 76.1MB in the beginning and 76.1MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.25ms. Allocated memory is still 178.3MB. Free memory was 107.6MB in the beginning and 138.3MB in the end (delta: -30.7MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.11ms. Allocated memory is still 178.3MB. Free memory was 138.3MB in the beginning and 136.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.56ms. Allocated memory is still 178.3MB. Free memory was 136.2MB in the beginning and 133.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.99ms. Allocated memory is still 178.3MB. Free memory was 133.5MB in the beginning and 101.4MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume 0 == (~arg#1.base + ~arg#1.offset) % 4294967296;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume 0 == (~arg#1.base + ~arg#1.offset) % 4294967296;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:367) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-02-02 09:12:47,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/pthread-ext/48_ticket_lock_low_contention_vs.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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-dev-59af5db-m [2024-02-02 09:12:49,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:12:50,013 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-02-02 09:12:50,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:12:50,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:12:50,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:12:50,044 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:12:50,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:12:50,045 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:12:50,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:12:50,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:12:50,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:12:50,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:12:50,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:12:50,105 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:12:50,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:12:50,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:12:50,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:12:50,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:12:50,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:12:50,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:12:50,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:12:50,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:12:50,108 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-02-02 09:12:50,108 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-02-02 09:12:50,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:12:50,108 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-02-02 09:12:50,108 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:12:50,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:12:50,109 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:12:50,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:12:50,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:12:50,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:12:50,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:12:50,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:12:50,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:12:50,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:12:50,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:12:50,111 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-02-02 09:12:50,112 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-02-02 09:12:50,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:12:50,112 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:12:50,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:12:50,112 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:12:50,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:12:50,113 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-02-02 09:12:50,113 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:12:50,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:12:50,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:12:50,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:12:50,398 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:12:50,398 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:12:50,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml [2024-02-02 09:12:50,464 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:12:50,464 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:12:50,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-02 09:12:51,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:12:51,688 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:12:51,689 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-02 09:12:51,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad1cbec18/d32a1fbdf59e4efdbfb44210ce37e4f8/FLAG28c51a72c [2024-02-02 09:12:51,708 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad1cbec18/d32a1fbdf59e4efdbfb44210ce37e4f8 [2024-02-02 09:12:51,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:12:51,709 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:12:51,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:12:51,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:12:51,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:12:51,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:12:50" (1/2) ... [2024-02-02 09:12:51,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50767bcc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:51, skipping insertion in model container [2024-02-02 09:12:51,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:12:50" (1/2) ... [2024-02-02 09:12:51,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56d3540f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:12:51, skipping insertion in model container [2024-02-02 09:12:51,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:12:51" (2/2) ... [2024-02-02 09:12:51,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50767bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:51, skipping insertion in model container [2024-02-02 09:12:51,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:12:51" (2/2) ... [2024-02-02 09:12:51,725 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:12:51,759 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:12:51,760 INFO L101 nessWitnessExtractor]: Location invariant before [L720-L720] (unsigned long )arg == 0UL [2024-02-02 09:12:51,760 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] ((((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:51,760 INFO L101 nessWitnessExtractor]: Location invariant before [L719-L719] (((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:51,760 INFO L101 nessWitnessExtractor]: Loop invariant at [L717-L717] (unsigned long )arg == 0UL [2024-02-02 09:12:51,760 INFO L101 nessWitnessExtractor]: Location invariant before [L717-L717] (((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:51,760 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] ((((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:51,761 INFO L101 nessWitnessExtractor]: Location invariant before [L719-L719] (((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:51,761 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] ((((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:51,761 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] ((((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:51,761 INFO L101 nessWitnessExtractor]: Location invariant before [L717-L717] (((unsigned long )arg == 0UL) && ((unsigned long )arg == 0UL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:12:51,761 INFO L101 nessWitnessExtractor]: Loop invariant at [L717-L717] (unsigned long )arg == 0UL [2024-02-02 09:12:51,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:12:52,014 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-02-02 09:12:52,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:12:52,028 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-02-02 09:12:52,079 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local [2024-02-02 09:12:52,081 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-02-02 09:12:52,082 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local [2024-02-02 09:12:52,083 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local [2024-02-02 09:12:52,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:12:52,116 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:12:52,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52 WrapperNode [2024-02-02 09:12:52,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:12:52,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:12:52,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:12:52,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:12:52,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52" (1/1) ... [2024-02-02 09:12:52,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52" (1/1) ... [2024-02-02 09:12:52,158 INFO L138 Inliner]: procedures = 175, calls = 23, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 118 [2024-02-02 09:12:52,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:12:52,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:12:52,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:12:52,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:12:52,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52" (1/1) ... [2024-02-02 09:12:52,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52" (1/1) ... [2024-02-02 09:12:52,170 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52" (1/1) ... [2024-02-02 09:12:52,180 INFO L175 MemorySlicer]: Split 7 memory accesses to 4 slices as follows [2, 1, 2, 2]. 29 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-02 09:12:52,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52" (1/1) ... [2024-02-02 09:12:52,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52" (1/1) ... [2024-02-02 09:12:52,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52" (1/1) ... [2024-02-02 09:12:52,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52" (1/1) ... [2024-02-02 09:12:52,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52" (1/1) ... [2024-02-02 09:12:52,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52" (1/1) ... [2024-02-02 09:12:52,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:12:52,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:12:52,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:12:52,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:12:52,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:12:52" (1/1) ... [2024-02-02 09:12:52,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:12:52,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:12:52,221 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) [2024-02-02 09:12:52,222 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 [2024-02-02 09:12:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-02-02 09:12:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-02-02 09:12:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-02-02 09:12:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-02-02 09:12:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-02-02 09:12:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-02-02 09:12:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:12:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:12:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:12:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:12:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-02-02 09:12:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-02-02 09:12:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-02-02 09:12:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-02-02 09:12:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-02-02 09:12:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-02-02 09:12:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-02-02 09:12:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-02-02 09:12:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:12:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:12:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:12:52,254 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:12:52,413 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:12:52,414 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:12:52,592 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:12:52,592 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:12:52,753 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume 0bv32 == ~bvadd~32(~arg#1.base, ~arg#1.offset);). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-02-02 09:12:52,758 INFO L158 Benchmark]: Toolchain (without parser) took 1048.35ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 39.1MB in the beginning and 68.0MB in the end (delta: -28.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-02-02 09:12:52,759 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:12:52,759 INFO L158 Benchmark]: CDTParser took 5.20ms. Allocated memory is still 67.1MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:12:52,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.26ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 38.9MB in the beginning and 57.7MB in the end (delta: -18.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-02-02 09:12:52,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.97ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 55.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-02 09:12:52,761 INFO L158 Benchmark]: Boogie Preprocessor took 36.58ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 52.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:12:52,761 INFO L158 Benchmark]: RCFGBuilder took 560.98ms. Allocated memory is still 92.3MB. Free memory was 52.2MB in the beginning and 68.0MB in the end (delta: -15.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-02-02 09:12:52,768 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 0.18ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 5.20ms. Allocated memory is still 67.1MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.26ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 38.9MB in the beginning and 57.7MB in the end (delta: -18.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.97ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 55.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.58ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 52.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.98ms. Allocated memory is still 92.3MB. Free memory was 52.2MB in the beginning and 68.0MB in the end (delta: -15.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume 0bv32 == ~bvadd~32(~arg#1.base, ~arg#1.offset);). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume 0bv32 == ~bvadd~32(~arg#1.base, ~arg#1.offset);). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:367) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-02-02 09:12:52,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume 0bv32 == ~bvadd~32(~arg#1.base, ~arg#1.offset);). Is there illegal control flow (e.g. loops) within an atomic block?