./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/parallel-ticket-8.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f 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/weaver/parallel-ticket-8.wvr.c ./goblint.2024-05-21_14-57-05.files/mutex-meet/parallel-ticket-8.wvr.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-04 16:26:04,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-04 16:26:04,948 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-04 16:26:04,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-04 16:26:04,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-04 16:26:04,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-04 16:26:04,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-04 16:26:04,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-04 16:26:04,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-04 16:26:04,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-04 16:26:04,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-04 16:26:04,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-04 16:26:04,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-04 16:26:04,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-04 16:26:04,984 INFO L153 SettingsManager]: * Use SBE=true [2024-06-04 16:26:04,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-04 16:26:04,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-04 16:26:04,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-04 16:26:04,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-04 16:26:04,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-04 16:26:04,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-04 16:26:04,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-04 16:26:04,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-04 16:26:04,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-04 16:26:04,987 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-04 16:26:04,987 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-04 16:26:04,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-04 16:26:04,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-04 16:26:04,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-04 16:26:04,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-04 16:26:04,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-04 16:26:04,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-04 16:26:04,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 16:26:04,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-04 16:26:04,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-04 16:26:04,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-04 16:26:04,990 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-04 16:26:04,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-04 16:26:04,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-04 16:26:04,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-04 16:26:04,991 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-04 16:26:04,991 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-04 16:26:04,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-04 16:26:04,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-04 16:26:05,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-04 16:26:05,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-04 16:26:05,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-04 16:26:05,221 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-04 16:26:05,222 INFO L274 PluginConnector]: CDTParser initialized [2024-06-04 16:26:05,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-06-04 16:26:06,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-04 16:26:06,434 INFO L384 CDTParser]: Found 1 translation units. [2024-06-04 16:26:06,435 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-06-04 16:26:06,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd78a080a/3abd7213d5fb4815a8f07c2ec2663689/FLAG71b049f25 [2024-06-04 16:26:06,458 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd78a080a/3abd7213d5fb4815a8f07c2ec2663689 [2024-06-04 16:26:06,460 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-04 16:26:06,461 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-04 16:26:06,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/parallel-ticket-8.wvr.yml/witness.yml [2024-06-04 16:26:06,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-04 16:26:06,577 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-04 16:26:06,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-04 16:26:06,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-04 16:26:06,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-04 16:26:06,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 04:26:06" (1/2) ... [2024-06-04 16:26:06,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e6d62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:26:06, skipping insertion in model container [2024-06-04 16:26:06,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 04:26:06" (1/2) ... [2024-06-04 16:26:06,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c3b871f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:26:06, skipping insertion in model container [2024-06-04 16:26:06,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 04:26:06" (2/2) ... [2024-06-04 16:26:06,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e6d62b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:06, skipping insertion in model container [2024-06-04 16:26:06,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 04:26:06" (2/2) ... [2024-06-04 16:26:06,588 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-04 16:26:06,610 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-04 16:26:06,611 INFO L97 edCorrectnessWitness]: Location invariant before [L223-L223] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-04 16:26:06,611 INFO L97 edCorrectnessWitness]: Location invariant before [L218-L218] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-04 16:26:06,611 INFO L97 edCorrectnessWitness]: Location invariant before [L219-L219] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-04 16:26:06,611 INFO L97 edCorrectnessWitness]: Location invariant before [L217-L217] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-04 16:26:06,612 INFO L97 edCorrectnessWitness]: Location invariant before [L222-L222] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-04 16:26:06,612 INFO L97 edCorrectnessWitness]: Location invariant before [L224-L224] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-04 16:26:06,612 INFO L97 edCorrectnessWitness]: Location invariant before [L220-L220] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-04 16:26:06,612 INFO L97 edCorrectnessWitness]: Location invariant before [L221-L221] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-04 16:26:06,612 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-04 16:26:06,613 INFO L106 edCorrectnessWitness]: ghost_update [L216-L216] multithreaded = 1; [2024-06-04 16:26:06,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-04 16:26:06,846 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 16:26:06,858 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-04 16:26:06,999 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 16:26:07,021 INFO L206 MainTranslator]: Completed translation [2024-06-04 16:26:07,023 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:07 WrapperNode [2024-06-04 16:26:07,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-04 16:26:07,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-04 16:26:07,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-04 16:26:07,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-04 16:26:07,032 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 04.06 04:26:07" (1/1) ... [2024-06-04 16:26:07,059 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 04.06 04:26:07" (1/1) ... [2024-06-04 16:26:07,123 INFO L138 Inliner]: procedures = 26, calls = 91, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 343 [2024-06-04 16:26:07,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-04 16:26:07,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-04 16:26:07,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-04 16:26:07,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-04 16:26:07,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:07" (1/1) ... [2024-06-04 16:26:07,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:07" (1/1) ... [2024-06-04 16:26:07,147 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:07" (1/1) ... [2024-06-04 16:26:07,160 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-06-04 16:26:07,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:07" (1/1) ... [2024-06-04 16:26:07,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:07" (1/1) ... [2024-06-04 16:26:07,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:07" (1/1) ... [2024-06-04 16:26:07,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:07" (1/1) ... [2024-06-04 16:26:07,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:07" (1/1) ... [2024-06-04 16:26:07,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:07" (1/1) ... [2024-06-04 16:26:07,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-04 16:26:07,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-04 16:26:07,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-04 16:26:07,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-04 16:26:07,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:07" (1/1) ... [2024-06-04 16:26:07,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 16:26:07,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-04 16:26:07,198 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) [2024-06-04 16:26:07,214 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 [2024-06-04 16:26:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-04 16:26:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-04 16:26:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-04 16:26:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-04 16:26:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-04 16:26:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-04 16:26:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-04 16:26:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-04 16:26:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-04 16:26:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-04 16:26:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-06-04 16:26:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-06-04 16:26:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-06-04 16:26:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-06-04 16:26:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2024-06-04 16:26:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2024-06-04 16:26:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2024-06-04 16:26:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2024-06-04 16:26:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-04 16:26:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-04 16:26:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-04 16:26:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-04 16:26:07,234 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-04 16:26:07,368 INFO L244 CfgBuilder]: Building ICFG [2024-06-04 16:26:07,371 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-04 16:26:07,725 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-04 16:26:07,725 INFO L293 CfgBuilder]: Performing block encoding [2024-06-04 16:26:07,880 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-04 16:26:07,881 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-04 16:26:07,881 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 04:26:07 BoogieIcfgContainer [2024-06-04 16:26:07,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-04 16:26:07,883 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-04 16:26:07,883 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-04 16:26:07,886 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-04 16:26:07,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.06 04:26:06" (1/4) ... [2024-06-04 16:26:07,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f3a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 04:26:07, skipping insertion in model container [2024-06-04 16:26:07,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 04:26:06" (2/4) ... [2024-06-04 16:26:07,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f3a0f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 04:26:07, skipping insertion in model container [2024-06-04 16:26:07,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:26:07" (3/4) ... [2024-06-04 16:26:07,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f3a0f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 04:26:07, skipping insertion in model container [2024-06-04 16:26:07,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 04:26:07" (4/4) ... [2024-06-04 16:26:07,889 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2024-06-04 16:26:07,903 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-04 16:26:07,903 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-06-04 16:26:07,903 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-04 16:26:07,969 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-06-04 16:26:08,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 101 transitions, 258 flow [2024-06-04 16:26:08,062 INFO L124 PetriNetUnfolderBase]: 0/93 cut-off events. [2024-06-04 16:26:08,063 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-06-04 16:26:08,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 93 events. 0/93 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 178 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-04 16:26:08,064 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 101 transitions, 258 flow [2024-06-04 16:26:08,068 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 83 transitions, 190 flow [2024-06-04 16:26:08,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-04 16:26:08,084 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c48e17d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-04 16:26:08,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-06-04 16:26:08,087 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-04 16:26:08,087 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-06-04 16:26:08,087 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-04 16:26:08,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 16:26:08,087 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-04 16:26:08,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 13 more)] === [2024-06-04 16:26:08,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 16:26:08,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1989562726, now seen corresponding path program 1 times [2024-06-04 16:26:08,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 16:26:08,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431551302] [2024-06-04 16:26:08,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 16:26:08,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 16:26:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 16:26:08,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 16:26:08,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 16:26:08,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431551302] [2024-06-04 16:26:08,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431551302] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 16:26:08,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 16:26:08,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-04 16:26:08,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475012359] [2024-06-04 16:26:08,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 16:26:08,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 16:26:08,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 16:26:08,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 16:26:08,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 16:26:08,562 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 101 [2024-06-04 16:26:08,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 83 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-04 16:26:08,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 16:26:08,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 101 [2024-06-04 16:26:08,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand