./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe019_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/safe019_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/safe019_rmo.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe019_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 19:30:34,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:30:35,064 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:30:35,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:30:35,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:30:35,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:30:35,094 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:30:35,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:30:35,095 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:30:35,098 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:30:35,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:30:35,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:30:35,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:30:35,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:30:35,101 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:30:35,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:30:35,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:30:35,102 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:30:35,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:30:35,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:30:35,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:30:35,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:30:35,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:30:35,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:30:35,103 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:30:35,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:30:35,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:30:35,104 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:30:35,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:30:35,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:30:35,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:30:35,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:30:35,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:30:35,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:30:35,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:30:35,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:30:35,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:30:35,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:30:35,107 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:30:35,107 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:30:35,108 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:30:35,108 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:30:35,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:30:35,108 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:30:35,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:30:35,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:30:35,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:30:35,349 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:30:35,350 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:30:35,351 INFO L431 ainManager$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/safe019_rmo.opt.yml/witness.yml [2024-02-07 19:30:35,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:30:35,551 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:30:35,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i [2024-02-07 19:30:36,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:30:36,816 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:30:36,816 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i [2024-02-07 19:30:36,870 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd5a56c35/f42e2b9e462a43dd8cdd41d3e884a6d6/FLAG84681864f [2024-02-07 19:30:36,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd5a56c35/f42e2b9e462a43dd8cdd41d3e884a6d6 [2024-02-07 19:30:36,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:30:36,916 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:30:36,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:30:36,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:30:36,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:30:36,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:35" (1/2) ... [2024-02-07 19:30:36,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89f56d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:36, skipping insertion in model container [2024-02-07 19:30:36,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:35" (1/2) ... [2024-02-07 19:30:36,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dc49b94 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:36, skipping insertion in model container [2024-02-07 19:30:36,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:30:36" (2/2) ... [2024-02-07 19:30:36,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89f56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:36, skipping insertion in model container [2024-02-07 19:30:36,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:30:36" (2/2) ... [2024-02-07 19:30:36,925 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:30:37,034 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:30:37,036 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] (((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 19:30:37,036 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] (((0 <= x) && (x <= 1)) && (x$r_buff1_thd1 == (_Bool)0)) && (x == 0 || x == 1) [2024-02-07 19:30:37,036 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:30:37,036 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:30:37,036 INFO L76 edCorrectnessWitness]: Location invariant before [L854-L854] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:30:37,036 INFO L76 edCorrectnessWitness]: Location invariant before [L888-L888] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:37,037 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] 0 <= __unbuffered_cnt [2024-02-07 19:30:37,037 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:30:37,037 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:30:37,037 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] ((((((0 <= x) && (0 <= *__unbuffered_p2_EAX$read_delayed_var)) && (x <= 1)) && (*__unbuffered_p2_EAX$read_delayed_var <= 1)) && (__unbuffered_p2_EAX$read_delayed_var == & x)) && (x == 0 || x == 1)) && (*__unbuffered_p2_EAX$read_delayed_var == 0 || *__unbuffered_p2_EAX$read_delayed_var == 1) [2024-02-07 19:30:37,037 INFO L76 edCorrectnessWitness]: Location invariant before [L894-L894] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:30:37,037 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] x == 1 [2024-02-07 19:30:37,037 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] 1 <= __unbuffered_cnt [2024-02-07 19:30:37,038 INFO L76 edCorrectnessWitness]: Location invariant before [L895-L895] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:30:37,038 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:30:37,038 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:37,038 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:37,038 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] 1 <= __unbuffered_cnt [2024-02-07 19:30:37,038 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] x$flush_delayed == (_Bool)0 [2024-02-07 19:30:37,038 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:30:37,038 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] 0 <= __unbuffered_cnt [2024-02-07 19:30:37,039 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:37,039 INFO L76 edCorrectnessWitness]: Location invariant before [L886-L886] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:37,039 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] 0 <= __unbuffered_cnt [2024-02-07 19:30:37,039 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:37,039 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] (((0 <= x) && (x <= 1)) && (x == 0 || x == 1)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1) [2024-02-07 19:30:37,040 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:30:37,040 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:30:37,040 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:30:37,040 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] y == 1 [2024-02-07 19:30:37,040 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] x$flush_delayed == (_Bool)0 [2024-02-07 19:30:37,040 INFO L76 edCorrectnessWitness]: Location invariant before [L889-L889] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:30:37,040 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] 0 <= __unbuffered_cnt [2024-02-07 19:30:37,040 INFO L76 edCorrectnessWitness]: Location invariant before [L851-L851] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:37,041 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] __unbuffered_p2_EAX$read_delayed == (_Bool)1 [2024-02-07 19:30:37,041 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:30:37,041 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:30:37,041 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] x$r_buff1_thd2 == (_Bool)0 [2024-02-07 19:30:37,042 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] ((((0LL - (long long )x$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$w_buff1_used >= 0LL) [2024-02-07 19:30:37,042 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] 1 <= __unbuffered_cnt [2024-02-07 19:30:37,043 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] 0 <= __unbuffered_cnt [2024-02-07 19:30:37,043 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:37,043 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] (((0 <= x) && (x <= 1)) && (x == 0 || x == 1)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1) [2024-02-07 19:30:37,043 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:30:37,043 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] 1 <= __unbuffered_cnt [2024-02-07 19:30:37,043 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] y == 2 [2024-02-07 19:30:37,044 INFO L76 edCorrectnessWitness]: Location invariant before [L893-L893] ((((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (y == 2)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && ((__unbuffered_p0_EAX == 2 && (__unbuffered_p0_EBX == 0 || ((0 <= __unbuffered_p0_EBX && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)))) || (((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p0_EBX) && __unbuffered_p0_EAX <= 2) && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2))) [2024-02-07 19:30:37,084 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:30:37,211 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/safe019_rmo.opt.i[992,1005] [2024-02-07 19:30:37,402 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:30:37,418 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:30:37,456 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/safe019_rmo.opt.i[992,1005] 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 19:30:37,550 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:30:37,585 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:30:37,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37 WrapperNode [2024-02-07 19:30:37,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:30:37,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:30:37,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:30:37,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:30:37,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (1/1) ... [2024-02-07 19:30:37,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (1/1) ... [2024-02-07 19:30:37,659 INFO L138 Inliner]: procedures = 177, calls = 115, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 162 [2024-02-07 19:30:37,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:30:37,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:30:37,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:30:37,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:30:37,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (1/1) ... [2024-02-07 19:30:37,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (1/1) ... [2024-02-07 19:30:37,683 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (1/1) ... [2024-02-07 19:30:37,711 INFO L175 MemorySlicer]: Split 58 memory accesses to 6 slices as follows [2, 1, 52, 1, 1, 1]. 90 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1, 0, 0, 0]. The 13 writes are split as follows [0, 1, 9, 1, 1, 1]. [2024-02-07 19:30:37,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (1/1) ... [2024-02-07 19:30:37,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (1/1) ... [2024-02-07 19:30:37,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (1/1) ... [2024-02-07 19:30:37,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (1/1) ... [2024-02-07 19:30:37,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (1/1) ... [2024-02-07 19:30:37,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (1/1) ... [2024-02-07 19:30:37,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:30:37,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:30:37,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:30:37,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:30:37,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (1/1) ... [2024-02-07 19:30:37,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:30:37,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:30:37,776 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 19:30:37,792 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 19:30:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:30:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:30:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:30:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:30:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:30:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 19:30:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:30:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:30:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:30:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:30:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:30:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 19:30:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:30:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:30:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:30:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:30:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:30:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:30:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:30:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:30:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:30:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:30:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:30:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:30:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:30:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:30:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:30:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:30:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:30:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 19:30:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:30:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:30:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:30:37,820 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 19:30:37,959 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:30:37,961 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:30:38,453 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:30:38,454 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:30:38,931 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:30:38,931 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:30:38,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:30:38 BoogieIcfgContainer [2024-02-07 19:30:38,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:30:38,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:30:38,934 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:30:38,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:30:38,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:35" (1/4) ... [2024-02-07 19:30:38,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46dfe9e8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:30:38, skipping insertion in model container [2024-02-07 19:30:38,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:30:36" (2/4) ... [2024-02-07 19:30:38,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46dfe9e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:30:38, skipping insertion in model container [2024-02-07 19:30:38,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:37" (3/4) ... [2024-02-07 19:30:38,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46dfe9e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:30:38, skipping insertion in model container [2024-02-07 19:30:38,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:30:38" (4/4) ... [2024-02-07 19:30:38,942 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_rmo.opt.i [2024-02-07 19:30:38,957 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:30:38,958 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-02-07 19:30:38,958 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:30:39,115 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:30:39,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 107 places, 95 transitions, 206 flow [2024-02-07 19:30:39,190 INFO L124 PetriNetUnfolderBase]: 1/91 cut-off events. [2024-02-07 19:30:39,191 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:30:39,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 91 events. 1/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 352 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2024-02-07 19:30:39,195 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 95 transitions, 206 flow [2024-02-07 19:30:39,200 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 91 transitions, 194 flow [2024-02-07 19:30:39,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:30:39,221 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;@2d276386, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:30:39,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2024-02-07 19:30:39,224 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:30:39,224 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:30:39,224 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:30:39,225 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:30:39,225 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:30:39,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-02-07 19:30:39,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:30:39,229 INFO L85 PathProgramCache]: Analyzing trace with hash 35109, now seen corresponding path program 1 times [2024-02-07 19:30:39,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:30:39,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105270077] [2024-02-07 19:30:39,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:30:39,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:30:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:30:39,471 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 19:30:39,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:30:39,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105270077] [2024-02-07 19:30:39,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105270077] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:30:39,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:30:39,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:30:39,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281877944] [2024-02-07 19:30:39,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:30:39,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:30:39,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:30:39,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:30:39,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:30:39,516 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 95 [2024-02-07 19:30:39,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 91 transitions, 194 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 19:30:39,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:30:39,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 95 [2024-02-07 19:30:39,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand