./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 fced0e87 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-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:02:13,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:02:13,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:02:13,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:02:13,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:02:13,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:02:13,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:02:13,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:02:13,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:02:13,333 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:02:13,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:02:13,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:02:13,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:02:13,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:02:13,335 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:02:13,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:02:13,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:02:13,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:02:13,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:02:13,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:02:13,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:02:13,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:02:13,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:02:13,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:02:13,343 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:02:13,344 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:02:13,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:02:13,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:02:13,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:02:13,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:02:13,345 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:02:13,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:02:13,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:02:13,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:02:13,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:02:13,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:02:13,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:02:13,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:02:13,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:02:13,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:02:13,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:02:13,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:02:13,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:02:13,350 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:02:13,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:02:13,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:02:13,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:02:13,694 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:02:13,695 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:02:13,696 INFO L431 ainManager$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 [2024-01-31 16:02:13,781 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:02:13,783 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:02:13,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-01-31 16:02:15,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:02:15,323 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:02:15,323 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-01-31 16:02:15,335 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/228008083/318c477a01cf45bea33301f8c58b7522/FLAGb1adb2878 [2024-01-31 16:02:15,348 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/228008083/318c477a01cf45bea33301f8c58b7522 [2024-01-31 16:02:15,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:02:15,350 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:02:15,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:02:15,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:02:15,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:02:15,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:02:13" (1/2) ... [2024-01-31 16:02:15,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea451c2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:15, skipping insertion in model container [2024-01-31 16:02:15,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:02:13" (1/2) ... [2024-01-31 16:02:15,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53dd22e6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:15, skipping insertion in model container [2024-01-31 16:02:15,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:02:15" (2/2) ... [2024-01-31 16:02:15,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea451c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:15, skipping insertion in model container [2024-01-31 16:02:15,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:02:15" (2/2) ... [2024-01-31 16:02:15,361 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:02:15,403 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:02:15,405 INFO L98 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:15,405 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:15,405 INFO L98 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:15,405 INFO L98 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:15,405 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:15,406 INFO L98 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:15,406 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:15,406 INFO L98 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:15,406 INFO L98 nessWitnessExtractor]: Loop invariant at [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:15,406 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] (unsigned long )arg == 0UL [2024-01-31 16:02:15,406 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:15,407 INFO L98 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:02:15,407 INFO L98 nessWitnessExtractor]: Location invariant after [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:02:15,407 INFO L98 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:02:15,407 INFO L98 nessWitnessExtractor]: Location invariant after [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:02:15,407 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:15,407 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:15,408 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:15,408 INFO L98 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:02:15,408 INFO L98 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:15,461 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:02:15,823 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] [2024-01-31 16:02:15,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:02:15,840 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:02:15,948 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-01-31 16:02:15,952 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 [2024-01-31 16:02:15,955 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:02:15,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:02:16,003 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:02:16,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16 WrapperNode [2024-01-31 16:02:16,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:02:16,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:02:16,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:02:16,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:02:16,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16" (1/1) ... [2024-01-31 16:02:16,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16" (1/1) ... [2024-01-31 16:02:16,057 INFO L138 Inliner]: procedures = 172, calls = 23, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 130 [2024-01-31 16:02:16,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:02:16,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:02:16,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:02:16,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:02:16,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16" (1/1) ... [2024-01-31 16:02:16,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16" (1/1) ... [2024-01-31 16:02:16,076 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16" (1/1) ... [2024-01-31 16:02:16,090 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]. [2024-01-31 16:02:16,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16" (1/1) ... [2024-01-31 16:02:16,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16" (1/1) ... [2024-01-31 16:02:16,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16" (1/1) ... [2024-01-31 16:02:16,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16" (1/1) ... [2024-01-31 16:02:16,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16" (1/1) ... [2024-01-31 16:02:16,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16" (1/1) ... [2024-01-31 16:02:16,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:02:16,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:02:16,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:02:16,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:02:16,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:16" (1/1) ... [2024-01-31 16:02:16,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:02:16,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:02:16,150 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) [2024-01-31 16:02:16,157 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 [2024-01-31 16:02:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 16:02:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 16:02:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 16:02:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 16:02:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-01-31 16:02:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-01-31 16:02:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:02:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:02:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:02:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:02:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:02:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:02:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:02:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:02:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:02:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:02:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:02:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:02:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:02:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:02:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:02:16,189 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 16:02:16,307 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:02:16,309 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:02:16,553 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:02:16,554 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:02:16,770 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) [2024-01-31 16:02:16,779 INFO L158 Benchmark]: Toolchain (without parser) took 1428.05ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 65.0MB in the beginning and 95.5MB in the end (delta: -30.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-01-31 16:02:16,779 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 123.7MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:02:16,780 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:02:16,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.09ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 65.0MB in the beginning and 135.3MB in the end (delta: -70.3MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-01-31 16:02:16,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.57ms. Allocated memory is still 169.9MB. Free memory was 135.3MB in the beginning and 133.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:02:16,783 INFO L158 Benchmark]: Boogie Preprocessor took 60.34ms. Allocated memory is still 169.9MB. Free memory was 133.1MB in the beginning and 130.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:02:16,784 INFO L158 Benchmark]: RCFGBuilder took 656.88ms. Allocated memory is still 169.9MB. Free memory was 130.3MB in the beginning and 95.5MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-01-31 16:02:16,792 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 123.7MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 654.09ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 65.0MB in the beginning and 135.3MB in the end (delta: -70.3MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.57ms. Allocated memory is still 169.9MB. Free memory was 135.3MB in the beginning and 133.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.34ms. Allocated memory is still 169.9MB. Free memory was 133.1MB in the beginning and 130.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.88ms. Allocated memory is still 169.9MB. Free memory was 130.3MB in the beginning and 95.5MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. 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. [2024-01-31 16:02:16,831 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.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-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:02:19,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:02:19,363 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-01-31 16:02:19,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:02:19,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:02:19,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:02:19,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:02:19,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:02:19,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:02:19,401 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:02:19,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:02:19,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:02:19,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:02:19,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:02:19,404 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:02:19,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:02:19,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:02:19,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:02:19,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:02:19,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:02:19,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:02:19,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:02:19,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:02:19,407 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-01-31 16:02:19,408 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-01-31 16:02:19,408 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:02:19,408 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-01-31 16:02:19,409 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:02:19,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:02:19,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:02:19,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:02:19,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:02:19,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:02:19,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:02:19,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:02:19,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:02:19,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:02:19,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:02:19,413 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-01-31 16:02:19,413 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-01-31 16:02:19,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:02:19,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:02:19,414 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:02:19,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:02:19,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:02:19,414 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-01-31 16:02:19,415 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:02:19,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:02:19,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:02:19,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:02:19,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:02:19,761 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:02:19,763 INFO L431 ainManager$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 [2024-01-31 16:02:21,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:02:21,409 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:02:21,410 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-01-31 16:02:21,435 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942bf4d52/91fa7c02b57940e7a82dbbd01fd055e4/FLAGa548495bb [2024-01-31 16:02:21,452 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942bf4d52/91fa7c02b57940e7a82dbbd01fd055e4 [2024-01-31 16:02:21,454 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:02:21,455 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:02:21,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml [2024-01-31 16:02:21,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:02:21,580 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:02:21,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:02:21,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:02:21,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:02:21,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:02:21" (1/2) ... [2024-01-31 16:02:21,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3ddd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:21, skipping insertion in model container [2024-01-31 16:02:21,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:02:21" (1/2) ... [2024-01-31 16:02:21,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@708dc91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:02:21, skipping insertion in model container [2024-01-31 16:02:21,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:02:21" (2/2) ... [2024-01-31 16:02:21,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3ddd92 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:21, skipping insertion in model container [2024-01-31 16:02:21,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:02:21" (2/2) ... [2024-01-31 16:02:21,591 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:02:21,630 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:02:21,632 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:21,632 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:21,632 INFO L98 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:21,632 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:21,632 INFO L98 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:21,633 INFO L98 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:02:21,633 INFO L98 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:21,633 INFO L98 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:02:21,633 INFO L98 nessWitnessExtractor]: Location invariant after [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:02:21,633 INFO L98 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:21,633 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:21,634 INFO L98 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:02:21,634 INFO L98 nessWitnessExtractor]: Location invariant after [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:02:21,634 INFO L98 nessWitnessExtractor]: Location invariant before [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:21,634 INFO L98 nessWitnessExtractor]: Loop invariant at [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:21,634 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:21,634 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] (unsigned long )arg == 0UL [2024-01-31 16:02:21,635 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:21,635 INFO L98 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:02:21,635 INFO L98 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:02:21,685 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:02:22,028 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] [2024-01-31 16:02:22,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:02:22,062 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:02:22,151 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-01-31 16:02:22,153 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 [2024-01-31 16:02:22,155 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:02:22,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:02:22,229 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:02:22,230 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:22 WrapperNode [2024-01-31 16:02:22,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:02:22,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:02:22,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:02:22,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:02:22,240 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 31.01 04:02:22" (1/1) ... [2024-01-31 16:02:22,276 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 31.01 04:02:22" (1/1) ... [2024-01-31 16:02:22,311 INFO L138 Inliner]: procedures = 175, calls = 23, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 130 [2024-01-31 16:02:22,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:02:22,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:02:22,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:02:22,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:02:22,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:22" (1/1) ... [2024-01-31 16:02:22,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:22" (1/1) ... [2024-01-31 16:02:22,338 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:22" (1/1) ... [2024-01-31 16:02:22,361 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 [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-31 16:02:22,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:22" (1/1) ... [2024-01-31 16:02:22,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:22" (1/1) ... [2024-01-31 16:02:22,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:22" (1/1) ... [2024-01-31 16:02:22,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:22" (1/1) ... [2024-01-31 16:02:22,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:22" (1/1) ... [2024-01-31 16:02:22,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:22" (1/1) ... [2024-01-31 16:02:22,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:02:22,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:02:22,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:02:22,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:02:22,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:02:22" (1/1) ... [2024-01-31 16:02:22,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:02:22,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:02:22,441 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) [2024-01-31 16:02:22,472 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 [2024-01-31 16:02:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-01-31 16:02:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-01-31 16:02:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-01-31 16:02:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-01-31 16:02:22,491 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-01-31 16:02:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-01-31 16:02:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:02:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:02:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:02:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:02:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-01-31 16:02:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-01-31 16:02:22,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-01-31 16:02:22,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-01-31 16:02:22,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-01-31 16:02:22,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-01-31 16:02:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-01-31 16:02:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-01-31 16:02:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:02:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:02:22,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:02:22,501 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 16:02:22,631 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:02:22,633 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:02:22,937 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:02:22,937 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:02:23,115 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) [2024-01-31 16:02:23,121 INFO L158 Benchmark]: Toolchain (without parser) took 1540.53ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 48.3MB in the beginning and 53.4MB in the end (delta: -5.1MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-01-31 16:02:23,122 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:02:23,122 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 69.2MB. Free memory is still 29.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:02:23,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.72ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 48.0MB in the beginning and 72.6MB in the end (delta: -24.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-01-31 16:02:23,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.84ms. Allocated memory is still 100.7MB. Free memory was 72.6MB in the beginning and 70.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:02:23,125 INFO L158 Benchmark]: Boogie Preprocessor took 81.27ms. Allocated memory is still 100.7MB. Free memory was 70.2MB in the beginning and 67.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:02:23,126 INFO L158 Benchmark]: RCFGBuilder took 725.02ms. Allocated memory is still 100.7MB. Free memory was 67.3MB in the beginning and 53.4MB in the end (delta: 13.9MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-01-31 16:02:23,133 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 69.2MB. Free memory is still 29.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.72ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 48.0MB in the beginning and 72.6MB in the end (delta: -24.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.84ms. Allocated memory is still 100.7MB. Free memory was 72.6MB in the beginning and 70.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.27ms. Allocated memory is still 100.7MB. Free memory was 70.2MB in the beginning and 67.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 725.02ms. Allocated memory is still 100.7MB. Free memory was 67.3MB in the beginning and 53.4MB in the end (delta: 13.9MB). Peak memory consumption was 25.9MB. 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: ). 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. [2024-01-31 16:02:23,162 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?