./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.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b 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.2024-01-24_13-31-21.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-d8006e4-m [2024-02-05 10:26:43,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:26:43,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:26:43,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:26:43,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:26:43,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:26:43,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:26:43,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:26:43,967 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:26:43,970 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:26:43,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:26:43,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:26:43,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:26:43,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:26:43,972 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:26:43,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:26:43,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:26:43,973 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:26:43,973 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:26:43,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:26:43,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:26:43,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:26:43,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:26:43,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:26:43,975 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:26:43,975 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:26:43,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:26:43,975 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:26:43,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:26:43,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:26:43,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:26:43,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:26:43,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:26:43,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:26:43,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:26:43,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:26:43,978 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:26:43,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:26:43,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:26:43,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:26:43,978 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:26:43,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:26:43,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:26:43,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:26:44,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:26:44,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:26:44,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:26:44,220 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:26:44,220 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:26:44,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml [2024-02-05 10:26:44,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:26:44,325 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:26:44,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-05 10:26:45,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:26:45,517 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:26:45,518 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-05 10:26:45,527 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79e22c4be/12fb6598df604039bf503e689015beba/FLAG2f811a924 [2024-02-05 10:26:45,538 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79e22c4be/12fb6598df604039bf503e689015beba [2024-02-05 10:26:45,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:26:45,539 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:26:45,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:26:45,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:26:45,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:26:45,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:26:44" (1/2) ... [2024-02-05 10:26:45,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793981f5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:26:45, skipping insertion in model container [2024-02-05 10:26:45,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:26:44" (1/2) ... [2024-02-05 10:26:45,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8435716 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:26:45, skipping insertion in model container [2024-02-05 10:26:45,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:26:45" (2/2) ... [2024-02-05 10:26:45,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793981f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:45, skipping insertion in model container [2024-02-05 10:26:45,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:26:45" (2/2) ... [2024-02-05 10:26:45,547 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:26:45,582 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:26:45,583 INFO L101 nessWitnessExtractor]: Location invariant before [L720-L720] (unsigned long )arg == 0UL [2024-02-05 10:26:45,583 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:45,583 INFO L101 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:45,583 INFO L101 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-02-05 10:26:45,583 INFO L101 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:45,583 INFO L101 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:45,583 INFO L101 nessWitnessExtractor]: Location invariant after [L719-L719] (unsigned long )arg == 0UL [2024-02-05 10:26:45,584 INFO L101 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-02-05 10:26:45,584 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:45,584 INFO L101 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:45,584 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:45,584 INFO L101 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:45,584 INFO L101 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:45,584 INFO L101 nessWitnessExtractor]: Location invariant before [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:45,585 INFO L101 nessWitnessExtractor]: Location invariant before [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:45,585 INFO L101 nessWitnessExtractor]: Location invariant before [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:45,585 INFO L101 nessWitnessExtractor]: Loop invariant at [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:45,585 INFO L101 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-02-05 10:26:45,585 INFO L101 nessWitnessExtractor]: Location invariant after [L719-L719] (unsigned long )arg == 0UL [2024-02-05 10:26:45,585 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:45,627 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:26:45,937 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] [2024-02-05 10:26:45,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:26:45,957 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-05 10:26:46,015 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-02-05 10:26:46,021 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] Start Parsing Local Start Parsing Local [2024-02-05 10:26:46,023 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-05 10:26:46,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:26:46,051 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:26:46,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46 WrapperNode [2024-02-05 10:26:46,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:26:46,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:26:46,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:26:46,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:26:46,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46" (1/1) ... [2024-02-05 10:26:46,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46" (1/1) ... [2024-02-05 10:26:46,086 INFO L138 Inliner]: procedures = 172, calls = 23, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 130 [2024-02-05 10:26:46,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:26:46,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:26:46,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:26:46,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:26:46,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46" (1/1) ... [2024-02-05 10:26:46,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46" (1/1) ... [2024-02-05 10:26:46,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46" (1/1) ... [2024-02-05 10:26:46,116 INFO L175 MemorySlicer]: Split 7 memory accesses to 4 slices as follows [2, 2, 1, 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]. [2024-02-05 10:26:46,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46" (1/1) ... [2024-02-05 10:26:46,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46" (1/1) ... [2024-02-05 10:26:46,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46" (1/1) ... [2024-02-05 10:26:46,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46" (1/1) ... [2024-02-05 10:26:46,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46" (1/1) ... [2024-02-05 10:26:46,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46" (1/1) ... [2024-02-05 10:26:46,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:26:46,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:26:46,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:26:46,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:26:46,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:46" (1/1) ... [2024-02-05 10:26:46,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:26:46,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:26:46,154 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) [2024-02-05 10:26:46,156 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 [2024-02-05 10:26:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-05 10:26:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-05 10:26:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-05 10:26:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-05 10:26:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-02-05 10:26:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-02-05 10:26:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:26:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:26:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:26:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-05 10:26:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-05 10:26:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:26:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:26:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:26:46,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:26:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:26:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:26:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-05 10:26:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-05 10:26:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:26:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:26:46,184 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:26:46,279 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:26:46,281 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:26:46,547 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:26:46,547 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:26:46,693 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: ). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-02-05 10:26:46,707 INFO L158 Benchmark]: Toolchain (without parser) took 1166.98ms. Allocated memory is still 167.8MB. Free memory was 131.2MB in the beginning and 118.2MB in the end (delta: 13.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-02-05 10:26:46,707 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:26:46,708 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:26:46,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.87ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 105.4MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-02-05 10:26:46,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.47ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 103.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-05 10:26:46,710 INFO L158 Benchmark]: Boogie Preprocessor took 40.25ms. Allocated memory is still 167.8MB. Free memory was 103.3MB in the beginning and 100.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-05 10:26:46,711 INFO L158 Benchmark]: RCFGBuilder took 575.44ms. Allocated memory is still 167.8MB. Free memory was 100.5MB in the beginning and 118.2MB in the end (delta: -17.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-02-05 10:26:46,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.87ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 105.4MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.47ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 103.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.25ms. Allocated memory is still 167.8MB. Free memory was 103.3MB in the beginning and 100.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 575.44ms. Allocated memory is still 167.8MB. Free memory was 100.5MB in the beginning and 118.2MB in the end (delta: -17.7MB). Peak memory consumption was 23.1MB. 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: ). 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: ). 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. [2024-02-05 10:26:46,736 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 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.2024-01-24_13-31-21.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-d8006e4-m [2024-02-05 10:26:48,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:26:48,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-02-05 10:26:48,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:26:48,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:26:48,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:26:48,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:26:48,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:26:48,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:26:48,849 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:26:48,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:26:48,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:26:48,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:26:48,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:26:48,852 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:26:48,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:26:48,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:26:48,856 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:26:48,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:26:48,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:26:48,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:26:48,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:26:48,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:26:48,857 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-02-05 10:26:48,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-02-05 10:26:48,858 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:26:48,858 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-02-05 10:26:48,858 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:26:48,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:26:48,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:26:48,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:26:48,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:26:48,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:26:48,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:26:48,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:26:48,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:26:48,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:26:48,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:26:48,861 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-02-05 10:26:48,861 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-02-05 10:26:48,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:26:48,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:26:48,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:26:48,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:26:48,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:26:48,862 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-02-05 10:26:48,862 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:26:49,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:26:49,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:26:49,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:26:49,155 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:26:49,155 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:26:49,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml [2024-02-05 10:26:49,220 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:26:49,220 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:26:49,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-05 10:26:50,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:26:50,552 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:26:50,552 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-02-05 10:26:50,567 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d58d5e4/cd01d768bf7d43919ee4a70512883ab8/FLAGa75778a67 [2024-02-05 10:26:50,584 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d58d5e4/cd01d768bf7d43919ee4a70512883ab8 [2024-02-05 10:26:50,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:26:50,587 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:26:50,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:26:50,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:26:50,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:26:50,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:26:49" (1/2) ... [2024-02-05 10:26:50,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5279ae04 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:26:50, skipping insertion in model container [2024-02-05 10:26:50,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:26:49" (1/2) ... [2024-02-05 10:26:50,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@779da662 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:26:50, skipping insertion in model container [2024-02-05 10:26:50,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:26:50" (2/2) ... [2024-02-05 10:26:50,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5279ae04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:50, skipping insertion in model container [2024-02-05 10:26:50,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:26:50" (2/2) ... [2024-02-05 10:26:50,597 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:26:50,637 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:26:50,638 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:50,638 INFO L101 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:50,638 INFO L101 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-02-05 10:26:50,638 INFO L101 nessWitnessExtractor]: Location invariant after [L719-L719] (unsigned long )arg == 0UL [2024-02-05 10:26:50,638 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:50,639 INFO L101 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:50,639 INFO L101 nessWitnessExtractor]: Loop invariant at [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:50,639 INFO L101 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:50,639 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:50,639 INFO L101 nessWitnessExtractor]: Location invariant before [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:50,639 INFO L101 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:50,639 INFO L101 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:50,639 INFO L101 nessWitnessExtractor]: Location invariant before [L720-L720] (unsigned long )arg == 0UL [2024-02-05 10:26:50,640 INFO L101 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-02-05 10:26:50,640 INFO L101 nessWitnessExtractor]: Location invariant after [L719-L719] (unsigned long )arg == 0UL [2024-02-05 10:26:50,640 INFO L101 nessWitnessExtractor]: Location invariant before [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:50,640 INFO L101 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-02-05 10:26:50,640 INFO L101 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-02-05 10:26:50,641 INFO L101 nessWitnessExtractor]: Location invariant before [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:50,641 INFO L101 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-02-05 10:26:50,681 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:26:50,948 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] [2024-02-05 10:26:50,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:26:50,974 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-05 10:26:51,030 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-02-05 10:26:51,031 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] Start Parsing Local Start Parsing Local [2024-02-05 10:26:51,032 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-05 10:26:51,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:26:51,075 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:26:51,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51 WrapperNode [2024-02-05 10:26:51,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:26:51,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:26:51,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:26:51,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:26:51,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51" (1/1) ... [2024-02-05 10:26:51,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51" (1/1) ... [2024-02-05 10:26:51,142 INFO L138 Inliner]: procedures = 175, calls = 23, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 130 [2024-02-05 10:26:51,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:26:51,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:26:51,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:26:51,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:26:51,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51" (1/1) ... [2024-02-05 10:26:51,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51" (1/1) ... [2024-02-05 10:26:51,153 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51" (1/1) ... [2024-02-05 10:26:51,165 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]. [2024-02-05 10:26:51,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51" (1/1) ... [2024-02-05 10:26:51,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51" (1/1) ... [2024-02-05 10:26:51,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51" (1/1) ... [2024-02-05 10:26:51,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51" (1/1) ... [2024-02-05 10:26:51,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51" (1/1) ... [2024-02-05 10:26:51,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51" (1/1) ... [2024-02-05 10:26:51,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:26:51,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:26:51,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:26:51,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:26:51,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:26:51" (1/1) ... [2024-02-05 10:26:51,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:26:51,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:26:51,211 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) [2024-02-05 10:26:51,229 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 [2024-02-05 10:26:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-02-05 10:26:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-02-05 10:26:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-02-05 10:26:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-02-05 10:26:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-02-05 10:26:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-02-05 10:26:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-05 10:26:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:26:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:26:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:26:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-02-05 10:26:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-02-05 10:26:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-02-05 10:26:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-02-05 10:26:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-02-05 10:26:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-02-05 10:26:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-02-05 10:26:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-02-05 10:26:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-05 10:26:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:26:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:26:51,247 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:26:51,390 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:26:51,392 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:26:51,634 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:26:51,634 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:26:51,767 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: ). 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) [2024-02-05 10:26:51,772 INFO L158 Benchmark]: Toolchain (without parser) took 1184.20ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 39.2MB in the beginning and 68.4MB in the end (delta: -29.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-02-05 10:26:51,773 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 81.8MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:26:51,773 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 81.8MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:26:51,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.14ms. Allocated memory is still 81.8MB. Free memory was 38.9MB in the beginning and 36.3MB in the end (delta: 2.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-02-05 10:26:51,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.27ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 36.3MB in the beginning and 82.0MB in the end (delta: -45.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-02-05 10:26:51,775 INFO L158 Benchmark]: Boogie Preprocessor took 45.68ms. Allocated memory is still 104.9MB. Free memory was 82.0MB in the beginning and 78.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-05 10:26:51,776 INFO L158 Benchmark]: RCFGBuilder took 581.96ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 68.4MB in the end (delta: 10.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-02-05 10:26:51,781 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 0.17ms. Allocated memory is still 81.8MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 81.8MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.14ms. Allocated memory is still 81.8MB. Free memory was 38.9MB in the beginning and 36.3MB in the end (delta: 2.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.27ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 36.3MB in the beginning and 82.0MB in the end (delta: -45.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.68ms. Allocated memory is still 104.9MB. Free memory was 82.0MB in the beginning and 78.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.96ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 68.4MB in the end (delta: 10.6MB). Peak memory consumption was 33.6MB. 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: ). 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: ). 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. [2024-02-05 10:26:51,804 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: ). Is there illegal control flow (e.g. loops) within an atomic block?