./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe016_rmo.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe016_rmo.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec 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-wmm/safe016_rmo.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe016_rmo.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:30:17,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:30:17,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:30:17,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:30:17,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:30:17,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:30:17,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:30:17,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:30:17,948 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:30:17,949 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:30:17,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:30:17,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:30:17,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:30:17,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:30:17,950 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:30:17,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:30:17,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:30:17,951 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:30:17,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:30:17,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:30:17,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:30:17,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:30:17,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:30:17,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:30:17,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:30:17,953 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:30:17,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:30:17,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:30:17,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:30:17,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:30:17,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:30:17,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:30:17,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:30:17,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:30:17,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:30:17,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:30:17,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:30:17,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:30:17,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:30:17,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:30:17,956 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:30:17,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:30:17,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:30:17,957 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:30:18,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:30:18,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:30:18,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:30:18,185 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:30:18,185 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:30:18,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe016_rmo.opt.yml/witness.yml [2024-02-07 19:30:18,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:30:18,310 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:30:18,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_rmo.opt.i [2024-02-07 19:30:19,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:30:19,470 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:30:19,471 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_rmo.opt.i [2024-02-07 19:30:19,483 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7758b07/824041eddee444aeafc345d3ec3387f7/FLAGc9396a5fa [2024-02-07 19:30:19,492 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7758b07/824041eddee444aeafc345d3ec3387f7 [2024-02-07 19:30:19,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:30:19,494 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:30:19,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:30:19,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:30:19,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:30:19,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:18" (1/2) ... [2024-02-07 19:30:19,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20125df0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:19, skipping insertion in model container [2024-02-07 19:30:19,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:18" (1/2) ... [2024-02-07 19:30:19,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a9e3cac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:19, skipping insertion in model container [2024-02-07 19:30:19,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:30:19" (2/2) ... [2024-02-07 19:30:19,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20125df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:19, skipping insertion in model container [2024-02-07 19:30:19,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:30:19" (2/2) ... [2024-02-07 19:30:19,503 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:30:19,630 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:30:19,631 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] 1 <= __unbuffered_cnt [2024-02-07 19:30:19,631 INFO L76 edCorrectnessWitness]: Location invariant before [L895-L895] (((0 <= x) && (x <= 2)) && (x <= 127)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 19:30:19,631 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] 0 <= __unbuffered_cnt [2024-02-07 19:30:19,631 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] 1 <= __unbuffered_cnt [2024-02-07 19:30:19,632 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:19,632 INFO L76 edCorrectnessWitness]: Location invariant before [L896-L896] x$flush_delayed == (_Bool)0 [2024-02-07 19:30:19,632 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] (((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EAX <= 127)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2) [2024-02-07 19:30:19,632 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:19,632 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:30:19,632 INFO L76 edCorrectnessWitness]: Location invariant before [L891-L891] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:30:19,632 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] 1 <= __unbuffered_cnt [2024-02-07 19:30:19,633 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:19,633 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] ((((((((0 <= x) && (0 <= *__unbuffered_p2_EAX$read_delayed_var)) && (x <= 2)) && (x <= 127)) && (*__unbuffered_p2_EAX$read_delayed_var <= 2)) && (*__unbuffered_p2_EAX$read_delayed_var <= 127)) && (__unbuffered_p2_EAX$read_delayed_var == & x)) && ((x == 0 || x == 1) || x == 2)) && ((*__unbuffered_p2_EAX$read_delayed_var == 0 || *__unbuffered_p2_EAX$read_delayed_var == 1) || *__unbuffered_p2_EAX$read_delayed_var == 2) [2024-02-07 19:30:19,633 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:19,633 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:30:19,633 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:30:19,633 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] x$r_buff1_thd2 == (_Bool)0 [2024-02-07 19:30:19,633 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] 0 <= __unbuffered_cnt [2024-02-07 19:30:19,634 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] __unbuffered_p2_EAX$read_delayed == (_Bool)1 [2024-02-07 19:30:19,634 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:19,634 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] ((((0 <= x) && (x <= 2)) && (x <= 127)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 19:30:19,634 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] x$flush_delayed == (_Bool)0 [2024-02-07 19:30:19,634 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (((0 <= x) && (x <= 2)) && (x <= 127)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 19:30:19,635 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:30:19,635 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:19,635 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] 0 <= __unbuffered_cnt [2024-02-07 19:30:19,635 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] ((((0LL - (long long )x$w_buff0_used) + (long long )x$w_buff1_used >= 0LL) && ((long long )x$w_buff0_used + (long long )x$w_buff1_used >= 0LL)) && ((0LL - (long long )x$w_buff0_used) - (long long )x$w_buff1_used >= 0LL)) && ((long long )x$w_buff0_used - (long long )x$w_buff1_used >= 0LL) [2024-02-07 19:30:19,635 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:30:19,636 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] x$r_buff1_thd1 == (_Bool)0 [2024-02-07 19:30:19,636 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] x == 2 [2024-02-07 19:30:19,636 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:30:19,636 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:30:19,636 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] 0 <= __unbuffered_cnt [2024-02-07 19:30:19,636 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] y == 1 [2024-02-07 19:30:19,636 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:19,637 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] x == 1 [2024-02-07 19:30:19,637 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:30:19,637 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] 0 <= __unbuffered_cnt [2024-02-07 19:30:19,638 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] y == 2 [2024-02-07 19:30:19,639 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:30:19,639 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:30:19,639 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] ((((0 <= x) && (x <= 2)) && (x <= 127)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 19:30:19,639 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:19,639 INFO L76 edCorrectnessWitness]: Location invariant before [L897-L897] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:30:19,639 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:19,640 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:19,640 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:30:19,640 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] 1 <= __unbuffered_cnt [2024-02-07 19:30:19,640 INFO L76 edCorrectnessWitness]: Location invariant before [L893-L893] (((((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (x == 2)) && ((y == 2 && (__unbuffered_p0_EAX == 2 || ((0 <= __unbuffered_p0_EAX && __unbuffered_p0_EAX <= 2) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)))) || ((((((0 <= __unbuffered_p0_EAX && 0 <= y) && __unbuffered_p0_EAX <= 2) && y <= 2) && y <= 127) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2)))) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2) [2024-02-07 19:30:19,640 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:30:19,683 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:30:19,806 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-wmm/safe016_rmo.opt.i[949,962] [2024-02-07 19:30:20,030 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:30:20,039 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:30:20,086 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-wmm/safe016_rmo.opt.i[949,962] 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 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 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 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 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 [2024-02-07 19:30:20,151 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:30:20,183 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:30:20,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20 WrapperNode [2024-02-07 19:30:20,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:30:20,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:30:20,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:30:20,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:30:20,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (1/1) ... [2024-02-07 19:30:20,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (1/1) ... [2024-02-07 19:30:20,242 INFO L138 Inliner]: procedures = 177, calls = 128, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 238 [2024-02-07 19:30:20,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:30:20,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:30:20,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:30:20,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:30:20,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (1/1) ... [2024-02-07 19:30:20,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (1/1) ... [2024-02-07 19:30:20,257 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (1/1) ... [2024-02-07 19:30:20,273 INFO L175 MemorySlicer]: Split 71 memory accesses to 6 slices as follows [65, 2, 1, 1, 1, 1]. 92 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [1, 2, 0, 0, 0, 0]. The 15 writes are split as follows [11, 0, 1, 1, 1, 1]. [2024-02-07 19:30:20,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (1/1) ... [2024-02-07 19:30:20,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (1/1) ... [2024-02-07 19:30:20,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (1/1) ... [2024-02-07 19:30:20,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (1/1) ... [2024-02-07 19:30:20,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (1/1) ... [2024-02-07 19:30:20,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (1/1) ... [2024-02-07 19:30:20,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:30:20,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:30:20,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:30:20,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:30:20,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (1/1) ... [2024-02-07 19:30:20,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:30:20,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:30:20,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 19:30:20,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 19:30:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:30:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:30:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:30:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:30:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:30:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 19:30:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:30:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:30:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:30:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:30:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:30:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 19:30:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:30:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:30:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:30:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:30:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:30:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:30:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:30:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:30:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:30:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:30:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:30:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:30:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:30:20,444 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:30:20,590 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:30:20,592 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:30:21,215 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:30:21,215 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:30:21,752 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:30:21,753 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:30:21,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:30:21 BoogieIcfgContainer [2024-02-07 19:30:21,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:30:21,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:30:21,757 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:30:21,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:30:21,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:18" (1/4) ... [2024-02-07 19:30:21,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23963f1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:30:21, skipping insertion in model container [2024-02-07 19:30:21,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:30:19" (2/4) ... [2024-02-07 19:30:21,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23963f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:30:21, skipping insertion in model container [2024-02-07 19:30:21,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:20" (3/4) ... [2024-02-07 19:30:21,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23963f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:30:21, skipping insertion in model container [2024-02-07 19:30:21,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:30:21" (4/4) ... [2024-02-07 19:30:21,765 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_rmo.opt.i [2024-02-07 19:30:21,781 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:30:21,781 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 51 error locations. [2024-02-07 19:30:21,781 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:30:21,908 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:30:21,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 99 transitions, 214 flow [2024-02-07 19:30:21,996 INFO L124 PetriNetUnfolderBase]: 1/95 cut-off events. [2024-02-07 19:30:21,996 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:30:22,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 95 events. 1/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 388 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2024-02-07 19:30:22,000 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 99 transitions, 214 flow [2024-02-07 19:30:22,004 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 95 transitions, 202 flow [2024-02-07 19:30:22,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:30:22,072 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;@17614a67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:30:22,072 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2024-02-07 19:30:22,075 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:30:22,075 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:30:22,075 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:30:22,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:30:22,076 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:30:22,076 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 86 more)] === [2024-02-07 19:30:22,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:30:22,080 INFO L85 PathProgramCache]: Analyzing trace with hash 38264, now seen corresponding path program 1 times [2024-02-07 19:30:22,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:30:22,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27624474] [2024-02-07 19:30:22,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:30:22,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:30:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:30:22,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:30:22,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:30:22,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27624474] [2024-02-07 19:30:22,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27624474] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:30:22,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:30:22,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:30:22,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908192579] [2024-02-07 19:30:22,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:30:22,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:30:22,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:30:22,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:30:22,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:30:22,443 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 99 [2024-02-07 19:30:22,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 95 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-02-07 19:30:22,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:30:22,448 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 99 [2024-02-07 19:30:22,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand