./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 80b1b132 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-?-80b1b13-m [2024-01-31 16:43:25,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:43:25,499 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:43:25,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:43:25,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:43:25,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:43:25,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:43:25,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:43:25,535 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:43:25,538 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:43:25,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:43:25,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:43:25,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:43:25,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:43:25,540 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:43:25,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:43:25,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:43:25,541 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:43:25,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:43:25,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:43:25,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:43:25,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:43:25,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:43:25,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:43:25,542 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:43:25,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:43:25,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:43:25,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:43:25,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:43:25,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:43:25,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:43:25,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:43:25,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:43:25,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:43:25,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:43:25,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:43:25,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:43:25,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:43:25,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:43:25,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:43:25,546 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:43:25,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:43:25,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:43:25,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:43:25,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:43:25,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:43:25,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:43:25,859 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:43:25,860 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:43:25,861 INFO L431 ainManager$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 16:43:25,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:43:25,943 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:43:25,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-01-31 16:43:27,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:43:27,315 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:43:27,316 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-01-31 16:43:27,326 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d57ecc788/c8e138687561440f9368c08da499195d/FLAG4353efa26 [2024-01-31 16:43:27,338 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d57ecc788/c8e138687561440f9368c08da499195d [2024-01-31 16:43:27,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:43:27,339 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:43:27,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:43:27,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:43:27,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:43:27,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:43:25" (1/2) ... [2024-01-31 16:43:27,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d90ca9b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:43:27, skipping insertion in model container [2024-01-31 16:43:27,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:43:25" (1/2) ... [2024-01-31 16:43:27,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5377c030 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:43:27, skipping insertion in model container [2024-01-31 16:43:27,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:43:27" (2/2) ... [2024-01-31 16:43:27,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d90ca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27, skipping insertion in model container [2024-01-31 16:43:27,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:43:27" (2/2) ... [2024-01-31 16:43:27,352 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:43:27,377 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:43:27,378 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:43:27,379 INFO L98 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:43:27,379 INFO L98 nessWitnessExtractor]: Location invariant after [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:43:27,379 INFO L98 nessWitnessExtractor]: Location invariant after [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:43:27,379 INFO L98 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:43:27,379 INFO L98 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:43:27,422 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:43:27,680 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 16:43:27,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:43:27,696 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-01-31 16:43:27,755 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry [2024-01-31 16:43:27,756 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 [2024-01-31 16:43:27,757 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-01-31 16:43:27,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:43:27,794 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:43:27,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27 WrapperNode [2024-01-31 16:43:27,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:43:27,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:43:27,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:43:27,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:43:27,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27" (1/1) ... [2024-01-31 16:43:27,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27" (1/1) ... [2024-01-31 16:43:27,845 INFO L138 Inliner]: procedures = 172, calls = 23, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 114 [2024-01-31 16:43:27,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:43:27,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:43:27,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:43:27,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:43:27,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27" (1/1) ... [2024-01-31 16:43:27,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27" (1/1) ... [2024-01-31 16:43:27,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27" (1/1) ... [2024-01-31 16:43:27,884 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 16:43:27,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27" (1/1) ... [2024-01-31 16:43:27,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27" (1/1) ... [2024-01-31 16:43:27,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27" (1/1) ... [2024-01-31 16:43:27,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27" (1/1) ... [2024-01-31 16:43:27,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27" (1/1) ... [2024-01-31 16:43:27,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27" (1/1) ... [2024-01-31 16:43:27,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:43:27,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:43:27,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:43:27,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:43:27,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:27" (1/1) ... [2024-01-31 16:43:27,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:43:27,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:43:27,940 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 16:43:27,945 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 16:43:28,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 16:43:28,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 16:43:28,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 16:43:28,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 16:43:28,037 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-01-31 16:43:28,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-01-31 16:43:28,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:43:28,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:43:28,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:43:28,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:43:28,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:43:28,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:43:28,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:43:28,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:43:28,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:43:28,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:43:28,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:43:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:43:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:43:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:43:28,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:43:28,043 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 16:43:28,200 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:43:28,203 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:43:28,456 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:43:28,457 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:43:28,546 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-01-31 16:43:28,563 INFO L158 Benchmark]: Toolchain (without parser) took 1222.64ms. Allocated memory is still 172.0MB. Free memory was 131.7MB in the beginning and 113.1MB in the end (delta: 18.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-01-31 16:43:28,563 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 111.1MB. Free memory was 80.8MB in the beginning and 80.7MB in the end (delta: 86.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:43:28,564 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:43:28,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.91ms. Allocated memory is still 172.0MB. Free memory was 131.7MB in the beginning and 107.3MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-31 16:43:28,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.67ms. Allocated memory is still 172.0MB. Free memory was 107.3MB in the beginning and 105.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:43:28,565 INFO L158 Benchmark]: Boogie Preprocessor took 55.28ms. Allocated memory is still 172.0MB. Free memory was 104.9MB in the beginning and 102.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-31 16:43:28,565 INFO L158 Benchmark]: RCFGBuilder took 658.85ms. Allocated memory is still 172.0MB. Free memory was 102.4MB in the beginning and 113.1MB in the end (delta: -10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-01-31 16:43:28,567 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 111.1MB. Free memory was 80.8MB in the beginning and 80.7MB in the end (delta: 86.3kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.91ms. Allocated memory is still 172.0MB. Free memory was 131.7MB in the beginning and 107.3MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.67ms. Allocated memory is still 172.0MB. Free memory was 107.3MB in the beginning and 105.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.28ms. Allocated memory is still 172.0MB. Free memory was 104.9MB in the beginning and 102.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 658.85ms. Allocated memory is still 172.0MB. Free memory was 102.4MB in the beginning and 113.1MB in the end (delta: -10.7MB). Peak memory consumption was 8.4MB. 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 16:43:28,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-?-80b1b13-m [2024-01-31 16:43:30,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:43:30,725 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-01-31 16:43:30,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:43:30,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:43:30,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:43:30,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:43:30,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:43:30,770 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:43:30,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:43:30,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:43:30,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:43:30,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:43:30,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:43:30,777 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:43:30,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:43:30,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:43:30,778 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:43:30,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:43:30,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:43:30,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:43:30,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:43:30,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:43:30,780 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-01-31 16:43:30,780 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-01-31 16:43:30,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:43:30,781 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-01-31 16:43:30,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:43:30,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:43:30,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:43:30,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:43:30,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:43:30,783 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:43:30,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:43:30,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:43:30,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:43:30,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:43:30,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:43:30,784 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-01-31 16:43:30,784 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-01-31 16:43:30,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:43:30,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:43:30,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:43:30,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:43:30,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:43:30,786 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-01-31 16:43:30,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:43:31,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:43:31,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:43:31,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:43:31,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:43:31,071 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:43:31,073 INFO L431 ainManager$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 16:43:32,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:43:32,489 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:43:32,490 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-01-31 16:43:32,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d231aae78/c5c07b43605740abaa23ec29581637ff/FLAG52f047a7e [2024-01-31 16:43:32,513 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d231aae78/c5c07b43605740abaa23ec29581637ff [2024-01-31 16:43:32,516 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:43:32,516 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:43:32,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/48_ticket_lock_low_contention_vs.yml/witness.yml [2024-01-31 16:43:32,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:43:32,572 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:43:32,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:43:32,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:43:32,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:43:32,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:43:32" (1/2) ... [2024-01-31 16:43:32,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c917732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:32, skipping insertion in model container [2024-01-31 16:43:32,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:43:32" (1/2) ... [2024-01-31 16:43:32,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58956642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:43:32, skipping insertion in model container [2024-01-31 16:43:32,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:43:32" (2/2) ... [2024-01-31 16:43:32,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c917732 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:43:32, skipping insertion in model container [2024-01-31 16:43:32,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:43:32" (2/2) ... [2024-01-31 16:43:32,581 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:43:32,613 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:43:32,614 INFO L98 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:43:32,614 INFO L98 nessWitnessExtractor]: Location invariant after [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:43:32,614 INFO L98 nessWitnessExtractor]: Location invariant after [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:43:32,614 INFO L98 nessWitnessExtractor]: Location invariant before [L718-L718] (unsigned long )arg == 0UL [2024-01-31 16:43:32,614 INFO L98 nessWitnessExtractor]: Location invariant after [L719-L719] (unsigned long )arg == 0UL [2024-01-31 16:43:32,615 INFO L98 nessWitnessExtractor]: Location invariant after [L717-L717] (unsigned long )arg == 0UL [2024-01-31 16:43:32,653 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:43:32,845 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 16:43:32,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:43:32,862 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-01-31 16:43:32,926 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry [2024-01-31 16:43:32,927 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 [2024-01-31 16:43:32,928 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local [2024-01-31 16:43:32,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:43:32,967 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:43:32,968 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:43:32 WrapperNode [2024-01-31 16:43:32,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:43:32,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:43:32,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:43:32,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:43:32,975 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 04:43:32" (1/1) ... [2024-01-31 16:43:32,999 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 04:43:32" (1/1) ... [2024-01-31 16:43:33,025 INFO L138 Inliner]: procedures = 175, calls = 23, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 114 [2024-01-31 16:43:33,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:43:33,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:43:33,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:43:33,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:43:33,034 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 04:43:32" (1/1) ... [2024-01-31 16:43:33,035 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 04:43:32" (1/1) ... [2024-01-31 16:43:33,045 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 04:43:32" (1/1) ... [2024-01-31 16:43:33,058 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 16:43:33,058 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 04:43:32" (1/1) ... [2024-01-31 16:43:33,058 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 04:43:32" (1/1) ... [2024-01-31 16:43:33,065 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 04:43:32" (1/1) ... [2024-01-31 16:43:33,068 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 04:43:32" (1/1) ... [2024-01-31 16:43:33,070 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 04:43:32" (1/1) ... [2024-01-31 16:43:33,071 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 04:43:32" (1/1) ... [2024-01-31 16:43:33,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:43:33,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:43:33,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:43:33,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:43:33,087 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 04:43:32" (1/1) ... [2024-01-31 16:43:33,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:43:33,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:43:33,138 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 16:43:33,155 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 16:43:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-01-31 16:43:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-01-31 16:43:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-01-31 16:43:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-01-31 16:43:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-01-31 16:43:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-01-31 16:43:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:43:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:43:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:43:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:43:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-01-31 16:43:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-01-31 16:43:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-01-31 16:43:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-01-31 16:43:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-01-31 16:43:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-01-31 16:43:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-01-31 16:43:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-01-31 16:43:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:43:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:43:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:43:33,184 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 16:43:33,342 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:43:33,344 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:43:33,586 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:43:33,586 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:43:33,730 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 16:43:33,735 INFO L158 Benchmark]: Toolchain (without parser) took 1162.63ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 49.8MB in the beginning and 44.3MB in the end (delta: 5.5MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-01-31 16:43:33,736 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 22.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:43:33,736 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 77.6MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:43:33,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.37ms. Allocated memory is still 77.6MB. Free memory was 49.6MB in the beginning and 46.4MB in the end (delta: 3.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-01-31 16:43:33,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.28ms. Allocated memory is still 77.6MB. Free memory was 46.4MB in the beginning and 44.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-31 16:43:33,738 INFO L158 Benchmark]: Boogie Preprocessor took 46.98ms. Allocated memory is still 77.6MB. Free memory was 44.0MB in the beginning and 41.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:43:33,738 INFO L158 Benchmark]: RCFGBuilder took 659.87ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 41.2MB in the beginning and 44.3MB in the end (delta: -3.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-01-31 16:43:33,740 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 22.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 77.6MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.37ms. Allocated memory is still 77.6MB. Free memory was 49.6MB in the beginning and 46.4MB in the end (delta: 3.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.28ms. Allocated memory is still 77.6MB. Free memory was 46.4MB in the beginning and 44.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.98ms. Allocated memory is still 77.6MB. Free memory was 44.0MB in the beginning and 41.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 659.87ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 41.2MB in the beginning and 44.3MB in the end (delta: -3.1MB). Peak memory consumption was 14.2MB. 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 16:43:33,761 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?