./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe018_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/safe018_rmo.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 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/safe018_rmo.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe018_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-dev-958ec4d-m [2024-02-07 14:52:16,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:52:16,526 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:52:16,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:52:16,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:52:16,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:52:16,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:52:16,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:52:16,554 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:52:16,557 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:52:16,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:52:16,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:52:16,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:52:16,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:52:16,559 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:52:16,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:52:16,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:52:16,559 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:52:16,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:52:16,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:52:16,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:52:16,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:52:16,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:52:16,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:52:16,561 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:52:16,561 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:52:16,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:52:16,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:52:16,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:52:16,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:52:16,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:52:16,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:52:16,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:16,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:52:16,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:52:16,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:52:16,564 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:52:16,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:52:16,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:52:16,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:52:16,565 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:52:16,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:52:16,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:52:16,565 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:52:16,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:52:16,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:52:16,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:52:16,824 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:52:16,829 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:52:16,830 INFO L431 ainManager$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/safe018_rmo.opt.yml/witness.yml [2024-02-07 14:52:16,985 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:52:16,985 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:52:16,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_rmo.opt.i [2024-02-07 14:52:17,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:52:18,192 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:52:18,193 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_rmo.opt.i [2024-02-07 14:52:18,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff81d8422/826d0d70e11043888f0fa5c717d7cc6f/FLAGddeda8c7a [2024-02-07 14:52:18,221 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff81d8422/826d0d70e11043888f0fa5c717d7cc6f [2024-02-07 14:52:18,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:52:18,222 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:52:18,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:18,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:52:18,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:52:18,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:16" (1/2) ... [2024-02-07 14:52:18,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412dc010 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:18, skipping insertion in model container [2024-02-07 14:52:18,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:16" (1/2) ... [2024-02-07 14:52:18,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40c985e1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:18, skipping insertion in model container [2024-02-07 14:52:18,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:18" (2/2) ... [2024-02-07 14:52:18,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412dc010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18, skipping insertion in model container [2024-02-07 14:52:18,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:18" (2/2) ... [2024-02-07 14:52:18,233 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:52:18,334 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:52:18,336 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] 1 <= __unbuffered_cnt [2024-02-07 14:52:18,336 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] 0 <= __unbuffered_cnt [2024-02-07 14:52:18,336 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:18,337 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] x$r_buff1_thd2 == (_Bool)0 [2024-02-07 14:52:18,337 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] __unbuffered_p2_EAX$read_delayed == (_Bool)1 [2024-02-07 14:52:18,337 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:52:18,337 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] y == 1 [2024-02-07 14:52:18,338 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] x$flush_delayed == (_Bool)0 [2024-02-07 14:52:18,338 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] 0 <= __unbuffered_cnt [2024-02-07 14:52:18,338 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:52:18,338 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:52:18,338 INFO L76 edCorrectnessWitness]: Location invariant before [L858-L858] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:52:18,338 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:18,338 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] 0 <= __unbuffered_cnt [2024-02-07 14:52:18,339 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:52:18,339 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] 1 <= __unbuffered_cnt [2024-02-07 14:52:18,339 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:52:18,339 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] 1 <= __unbuffered_cnt [2024-02-07 14:52:18,339 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:52:18,339 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] 0 <= __unbuffered_cnt [2024-02-07 14:52:18,339 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] ((((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || ((0 <= __unbuffered_p0_EBX && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)))) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 14:52:18,340 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:52:18,340 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:18,340 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] (((0 <= x) && (x <= 1)) && (x$r_buff1_thd1 == (_Bool)0)) && (x == 0 || x == 1) [2024-02-07 14:52:18,340 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:52:18,340 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] x == 1 [2024-02-07 14:52:18,341 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:18,341 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] (((0 <= x) && (x <= 1)) && (x == 0 || x == 1)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1) [2024-02-07 14:52:18,341 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:52:18,341 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:52:18,341 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:52:18,341 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:52:18,341 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:18,342 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 14:52:18,342 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] (((0 <= x) && (x <= 1)) && (x == 0 || x == 1)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1) [2024-02-07 14:52:18,342 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] ((((((0 <= x) && (0 <= *__unbuffered_p2_EAX$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 14:52:18,342 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:52:18,342 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:52:18,343 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] x$flush_delayed == (_Bool)0 [2024-02-07 14:52:18,344 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:18,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:52:18,561 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/safe018_rmo.opt.i[992,1005] [2024-02-07 14:52:18,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:52:18,717 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:52:18,759 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/safe018_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 [2024-02-07 14:52:18,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:52:18,864 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:52:18,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18 WrapperNode [2024-02-07 14:52:18,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:18,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:52:18,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:52:18,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:52:18,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (1/1) ... [2024-02-07 14:52:18,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (1/1) ... [2024-02-07 14:52:18,903 INFO L138 Inliner]: procedures = 176, calls = 102, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 146 [2024-02-07 14:52:18,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:52:18,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:52:18,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:52:18,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:52:18,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (1/1) ... [2024-02-07 14:52:18,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (1/1) ... [2024-02-07 14:52:18,922 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (1/1) ... [2024-02-07 14:52:18,936 INFO L175 MemorySlicer]: Split 55 memory accesses to 5 slices as follows [2, 1, 1, 50, 1]. 91 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 1, 0]. The 11 writes are split as follows [0, 1, 1, 8, 1]. [2024-02-07 14:52:18,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (1/1) ... [2024-02-07 14:52:18,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (1/1) ... [2024-02-07 14:52:18,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (1/1) ... [2024-02-07 14:52:18,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (1/1) ... [2024-02-07 14:52:18,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (1/1) ... [2024-02-07 14:52:18,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (1/1) ... [2024-02-07 14:52:18,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:52:18,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:52:18,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:52:18,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:52:18,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (1/1) ... [2024-02-07 14:52:18,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:18,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:52:19,009 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 14:52:19,048 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 14:52:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:52:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:52:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:52:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:52:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:52:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:52:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:52:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:52:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:52:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:52:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:52:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:52:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:52:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:52:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:52:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:52:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:52:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:52:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:52:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:52:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:52:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:52:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:52:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:52:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:52:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:52:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:52:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:52:19,064 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 14:52:19,222 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:52:19,223 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:52:19,628 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:52:19,628 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:52:20,104 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:52:20,104 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:52:20,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:52:20 BoogieIcfgContainer [2024-02-07 14:52:20,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:52:20,106 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:52:20,106 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:52:20,109 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:52:20,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:16" (1/4) ... [2024-02-07 14:52:20,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b64e3a9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:52:20, skipping insertion in model container [2024-02-07 14:52:20,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:52:18" (2/4) ... [2024-02-07 14:52:20,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b64e3a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:52:20, skipping insertion in model container [2024-02-07 14:52:20,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:18" (3/4) ... [2024-02-07 14:52:20,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b64e3a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:52:20, skipping insertion in model container [2024-02-07 14:52:20,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:52:20" (4/4) ... [2024-02-07 14:52:20,110 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_rmo.opt.i [2024-02-07 14:52:20,125 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:52:20,125 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-02-07 14:52:20,125 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:52:20,263 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:52:20,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 88 places, 79 transitions, 170 flow [2024-02-07 14:52:20,334 INFO L124 PetriNetUnfolderBase]: 1/76 cut-off events. [2024-02-07 14:52:20,334 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:52:20,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 76 events. 1/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 281 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2024-02-07 14:52:20,338 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 79 transitions, 170 flow [2024-02-07 14:52:20,341 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 76 transitions, 161 flow [2024-02-07 14:52:20,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:52:20,358 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;@3bcb9a88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:52:20,358 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2024-02-07 14:52:20,361 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:52:20,361 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 14:52:20,361 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:52:20,361 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:52:20,362 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:52:20,362 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 71 more)] === [2024-02-07 14:52:20,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:52:20,368 INFO L85 PathProgramCache]: Analyzing trace with hash 30956212, now seen corresponding path program 1 times [2024-02-07 14:52:20,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:52:20,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291093077] [2024-02-07 14:52:20,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:52:20,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:52:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:52:20,670 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 14:52:20,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:52:20,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291093077] [2024-02-07 14:52:20,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291093077] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:52:20,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:52:20,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:52:20,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706944547] [2024-02-07 14:52:20,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:52:20,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:52:20,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:52:20,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:52:20,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:52:20,700 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 79 [2024-02-07 14:52:20,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 76 transitions, 161 flow. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 14:52:20,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:52:20,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 79 [2024-02-07 14:52:20,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:52:26,904 INFO L124 PetriNetUnfolderBase]: 37299/55329 cut-off events. [2024-02-07 14:52:26,904 INFO L125 PetriNetUnfolderBase]: For 78/78 co-relation queries the response was YES. [2024-02-07 14:52:26,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107108 conditions, 55329 events. 37299/55329 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 3202. Compared 447486 event pairs, 18007 based on Foata normal form. 936/29341 useless extension candidates. Maximal degree in co-relation 107097. Up to 27261 conditions per place. [2024-02-07 14:52:27,371 INFO L140 encePairwiseOnDemand]: 59/79 looper letters, 72 selfloop transitions, 2 changer transitions 0/86 dead transitions. [2024-02-07 14:52:27,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 86 transitions, 329 flow [2024-02-07 14:52:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:52:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:52:27,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2024-02-07 14:52:27,383 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6244725738396625 [2024-02-07 14:52:27,384 INFO L175 Difference]: Start difference. First operand has 85 places, 76 transitions, 161 flow. Second operand 3 states and 148 transitions. [2024-02-07 14:52:27,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 86 transitions, 329 flow [2024-02-07 14:52:27,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 86 transitions, 326 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 14:52:27,396 INFO L231 Difference]: Finished difference. Result has 69 places, 59 transitions, 132 flow [2024-02-07 14:52:27,397 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2024-02-07 14:52:27,400 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -16 predicate places. [2024-02-07 14:52:27,400 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 59 transitions, 132 flow [2024-02-07 14:52:27,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 14:52:27,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:52:27,405 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:52:27,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:52:27,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 71 more)] === [2024-02-07 14:52:27,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:52:27,406 INFO L85 PathProgramCache]: Analyzing trace with hash 959643644, now seen corresponding path program 1 times [2024-02-07 14:52:27,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:52:27,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696770393] [2024-02-07 14:52:27,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:52:27,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:52:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:52:27,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:52:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:52:27,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:52:27,510 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:52:27,512 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 74 remaining) [2024-02-07 14:52:27,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 74 remaining) [2024-02-07 14:52:27,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 74 remaining) [2024-02-07 14:52:27,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 74 remaining) [2024-02-07 14:52:27,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 74 remaining) [2024-02-07 14:52:27,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 74 remaining) [2024-02-07 14:52:27,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 74 remaining) [2024-02-07 14:52:27,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 74 remaining) [2024-02-07 14:52:27,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 74 remaining) [2024-02-07 14:52:27,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 74 remaining) [2024-02-07 14:52:27,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 74 remaining) [2024-02-07 14:52:27,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 74 remaining) [2024-02-07 14:52:27,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 74 remaining) [2024-02-07 14:52:27,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 74 remaining) [2024-02-07 14:52:27,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 74 remaining) [2024-02-07 14:52:27,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 74 remaining) [2024-02-07 14:52:27,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 74 remaining) [2024-02-07 14:52:27,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 74 remaining) [2024-02-07 14:52:27,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 74 remaining) [2024-02-07 14:52:27,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 74 remaining) [2024-02-07 14:52:27,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 74 remaining) [2024-02-07 14:52:27,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 74 remaining) [2024-02-07 14:52:27,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 74 remaining) [2024-02-07 14:52:27,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 74 remaining) [2024-02-07 14:52:27,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 74 remaining) [2024-02-07 14:52:27,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 74 remaining) [2024-02-07 14:52:27,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 74 remaining) [2024-02-07 14:52:27,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 74 remaining) [2024-02-07 14:52:27,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 74 remaining) [2024-02-07 14:52:27,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 74 remaining) [2024-02-07 14:52:27,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 74 remaining) [2024-02-07 14:52:27,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 74 remaining) [2024-02-07 14:52:27,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 74 remaining) [2024-02-07 14:52:27,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 74 remaining) [2024-02-07 14:52:27,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 74 remaining) [2024-02-07 14:52:27,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 74 remaining) [2024-02-07 14:52:27,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 74 remaining) [2024-02-07 14:52:27,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 74 remaining) [2024-02-07 14:52:27,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 74 remaining) [2024-02-07 14:52:27,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 74 remaining) [2024-02-07 14:52:27,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 74 remaining) [2024-02-07 14:52:27,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (32 of 74 remaining) [2024-02-07 14:52:27,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 74 remaining) [2024-02-07 14:52:27,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 74 remaining) [2024-02-07 14:52:27,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2024-02-07 14:52:27,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 74 remaining) [2024-02-07 14:52:27,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 74 remaining) [2024-02-07 14:52:27,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 74 remaining) [2024-02-07 14:52:27,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 74 remaining) [2024-02-07 14:52:27,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 74 remaining) [2024-02-07 14:52:27,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 74 remaining) [2024-02-07 14:52:27,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 74 remaining) [2024-02-07 14:52:27,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 74 remaining) [2024-02-07 14:52:27,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 74 remaining) [2024-02-07 14:52:27,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 74 remaining) [2024-02-07 14:52:27,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 74 remaining) [2024-02-07 14:52:27,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 74 remaining) [2024-02-07 14:52:27,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 74 remaining) [2024-02-07 14:52:27,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 74 remaining) [2024-02-07 14:52:27,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 74 remaining) [2024-02-07 14:52:27,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 74 remaining) [2024-02-07 14:52:27,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 74 remaining) [2024-02-07 14:52:27,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 74 remaining) [2024-02-07 14:52:27,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 74 remaining) [2024-02-07 14:52:27,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 74 remaining) [2024-02-07 14:52:27,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 74 remaining) [2024-02-07 14:52:27,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 74 remaining) [2024-02-07 14:52:27,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 74 remaining) [2024-02-07 14:52:27,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 74 remaining) [2024-02-07 14:52:27,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 74 remaining) [2024-02-07 14:52:27,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 74 remaining) [2024-02-07 14:52:27,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 74 remaining) [2024-02-07 14:52:27,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 74 remaining) [2024-02-07 14:52:27,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 74 remaining) [2024-02-07 14:52:27,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:52:27,535 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 14:52:27,541 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:52:27,541 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:52:27,574 INFO L503 ceAbstractionStarter]: Automizer considered 40 witness invariants [2024-02-07 14:52:27,574 INFO L504 ceAbstractionStarter]: WitnessConsidered=40 [2024-02-07 14:52:27,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:52:27 BasicIcfg [2024-02-07 14:52:27,574 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:52:27,575 INFO L158 Benchmark]: Toolchain (without parser) took 9352.87ms. Allocated memory was 211.8MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 135.7MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 246.5MB. Max. memory is 16.1GB. [2024-02-07 14:52:27,575 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 75.0MB in the beginning and 74.9MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:52:27,575 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 211.8MB. Free memory is still 183.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:52:27,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.74ms. Allocated memory is still 211.8MB. Free memory was 135.4MB in the beginning and 157.5MB in the end (delta: -22.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-02-07 14:52:27,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.34ms. Allocated memory is still 211.8MB. Free memory was 157.5MB in the beginning and 154.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:52:27,576 INFO L158 Benchmark]: Boogie Preprocessor took 53.16ms. Allocated memory is still 211.8MB. Free memory was 154.5MB in the beginning and 150.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:52:27,576 INFO L158 Benchmark]: RCFGBuilder took 1146.70ms. Allocated memory is still 211.8MB. Free memory was 150.4MB in the beginning and 85.7MB in the end (delta: 64.7MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-02-07 14:52:27,577 INFO L158 Benchmark]: TraceAbstraction took 7468.25ms. Allocated memory was 211.8MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 84.6MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 193.7MB. Max. memory is 16.1GB. [2024-02-07 14:52:27,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 75.0MB in the beginning and 74.9MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 211.8MB. Free memory is still 183.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.74ms. Allocated memory is still 211.8MB. Free memory was 135.4MB in the beginning and 157.5MB in the end (delta: -22.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.34ms. Allocated memory is still 211.8MB. Free memory was 157.5MB in the beginning and 154.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.16ms. Allocated memory is still 211.8MB. Free memory was 154.5MB in the beginning and 150.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1146.70ms. Allocated memory is still 211.8MB. Free memory was 150.4MB in the beginning and 85.7MB in the end (delta: 64.7MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7468.25ms. Allocated memory was 211.8MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 84.6MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 193.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 765]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p0_EBX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L717] 0 _Bool __unbuffered_p2_EAX$flush_delayed; [L718] 0 int __unbuffered_p2_EAX$mem_tmp; [L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; [L721] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; [L722] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; [L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; [L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; [L725] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; [L726] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; [L727] 0 _Bool __unbuffered_p2_EAX$read_delayed; [L728] 0 int *__unbuffered_p2_EAX$read_delayed_var; [L729] 0 int __unbuffered_p2_EAX$w_buff0; [L730] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; [L731] 0 int __unbuffered_p2_EAX$w_buff1; [L732] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L736] 0 int x = 0; [L737] 0 _Bool x$flush_delayed; [L738] 0 int x$mem_tmp; [L739] 0 _Bool x$r_buff0_thd0; [L740] 0 _Bool x$r_buff0_thd1; [L741] 0 _Bool x$r_buff0_thd2; [L742] 0 _Bool x$r_buff0_thd3; [L743] 0 _Bool x$r_buff1_thd0; [L744] 0 _Bool x$r_buff1_thd1; [L745] 0 _Bool x$r_buff1_thd2; [L746] 0 _Bool x$r_buff1_thd3; [L747] 0 _Bool x$read_delayed; [L748] 0 int *x$read_delayed_var; [L749] 0 int x$w_buff0; [L750] 0 _Bool x$w_buff0_used; [L751] 0 int x$w_buff1; [L752] 0 _Bool x$w_buff1_used; [L754] 0 int y = 0; [L755] 0 _Bool weak$$choice0; [L756] 0 _Bool weak$$choice1; [L757] 0 _Bool weak$$choice2; [L849] 0 pthread_t t2216; [L850] FCALL, FORK 0 pthread_create(&t2216, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2216={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L761] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[y]],BinaryExpression[COMPLEQ,IdentifierExpression[y],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[y],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[y],IntegerLiteral[1]]]]]] [L761] 1 __unbuffered_p0_EAX = y [L762] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[__unbuffered_p0_EAX]],BinaryExpression[COMPLEQ,IdentifierExpression[__unbuffered_p0_EAX],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[__unbuffered_p0_EAX],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[__unbuffered_p0_EAX],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L764] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L765] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] - UnprovableResult [Line: 761]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 794]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 796]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 797]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 800]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 809]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 821]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 822]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 825]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 831]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 832]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 835]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 856]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 857]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 858]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 862]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 864]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 865]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 869]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 870]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 871]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 852]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 850]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 854]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 133 locations, 74 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 0 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 14:52:27,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE