./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 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/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-dev-958ec4d-m [2024-02-07 14:52:25,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:52:25,713 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:52:25,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:52:25,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:52:25,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:52:25,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:52:25,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:52:25,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:52:25,755 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:52:25,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:52:25,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:52:25,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:52:25,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:52:25,758 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:52:25,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:52:25,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:52:25,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:52:25,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:52:25,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:52:25,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:52:25,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:52:25,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:52:25,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:52:25,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:52:25,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:52:25,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:52:25,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:52:25,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:52:25,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:52:25,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:52:25,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:52:25,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:25,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:52:25,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:52:25,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:52:25,765 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:52:25,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:52:25,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:52:25,766 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:52:25,766 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:52:25,766 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:52:25,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:52:25,767 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:52:26,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:52:26,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:52:26,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:52:26,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:52:26,050 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:52:26,051 INFO L431 ainManager$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 14:52:27,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:52:27,530 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:52:27,538 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i [2024-02-07 14:52:27,554 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b82dbf923/d40ac18a58d7415091e4d0f0573b6975/FLAG01f21f80d [2024-02-07 14:52:27,570 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b82dbf923/d40ac18a58d7415091e4d0f0573b6975 [2024-02-07 14:52:27,572 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:52:27,573 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:52:27,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe019_rmo.opt.yml/witness.yml [2024-02-07 14:52:27,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:52:27,721 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:52:27,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:27,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:52:27,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:52:27,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:27" (1/2) ... [2024-02-07 14:52:27,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f81e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:27, skipping insertion in model container [2024-02-07 14:52:27,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:27" (1/2) ... [2024-02-07 14:52:27,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ce3eb6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:27, skipping insertion in model container [2024-02-07 14:52:27,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:27" (2/2) ... [2024-02-07 14:52:27,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f81e8f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:27, skipping insertion in model container [2024-02-07 14:52:27,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:27" (2/2) ... [2024-02-07 14:52:27,734 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:52:27,880 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:52:27,882 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 14:52:27,882 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:52:27,882 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:52:27,883 INFO L76 edCorrectnessWitness]: Location invariant before [L889-L889] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:52:27,883 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:52:27,884 INFO L76 edCorrectnessWitness]: Location invariant before [L894-L894] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:52:27,884 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] x$r_buff1_thd2 == (_Bool)0 [2024-02-07 14:52:27,884 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 14:52:27,884 INFO L76 edCorrectnessWitness]: Location invariant before [L888-L888] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:27,884 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:27,884 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:27,885 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:52:27,885 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:27,885 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:52:27,885 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] x == 1 [2024-02-07 14:52:27,885 INFO L76 edCorrectnessWitness]: Location invariant before [L851-L851] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:27,886 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:52:27,886 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:27,886 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] y == 1 [2024-02-07 14:52:27,886 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:52:27,886 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:27,887 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:52:27,887 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:52:27,887 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] 0 <= __unbuffered_cnt [2024-02-07 14:52:27,887 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] (((0 <= x) && (x <= 1)) && (x$r_buff1_thd1 == (_Bool)0)) && (x == 0 || x == 1) [2024-02-07 14:52:27,887 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:52:27,888 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] 1 <= __unbuffered_cnt [2024-02-07 14:52:27,888 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 14:52:27,888 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] 0 <= __unbuffered_cnt [2024-02-07 14:52:27,888 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] x$flush_delayed == (_Bool)0 [2024-02-07 14:52:27,888 INFO L76 edCorrectnessWitness]: Location invariant before [L886-L886] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:27,889 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] 1 <= __unbuffered_cnt [2024-02-07 14:52:27,889 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] 0 <= __unbuffered_cnt [2024-02-07 14:52:27,889 INFO L76 edCorrectnessWitness]: Location invariant before [L854-L854] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:52:27,889 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] __unbuffered_p2_EAX$read_delayed == (_Bool)1 [2024-02-07 14:52:27,889 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] 1 <= __unbuffered_cnt [2024-02-07 14:52:27,890 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] 0 <= __unbuffered_cnt [2024-02-07 14:52:27,890 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 14:52:27,891 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 14:52:27,891 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] x$flush_delayed == (_Bool)0 [2024-02-07 14:52:27,891 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:52:27,892 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] ((((((0 <= x) && (0 <= *__unbuffered_p2_EAX$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 14:52:27,892 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] 0 <= __unbuffered_cnt [2024-02-07 14:52:27,892 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] y == 2 [2024-02-07 14:52:27,892 INFO L76 edCorrectnessWitness]: Location invariant before [L895-L895] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:52:27,892 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] 1 <= __unbuffered_cnt [2024-02-07 14:52:27,893 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:52:27,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:52:28,136 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 14:52:28,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:52:28,384 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:52:28,421 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 14:52:28,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:52:28,558 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:52:28,558 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28 WrapperNode [2024-02-07 14:52:28,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:28,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:52:28,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:52:28,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:52:28,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (1/1) ... [2024-02-07 14:52:28,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (1/1) ... [2024-02-07 14:52:28,609 INFO L138 Inliner]: procedures = 177, calls = 115, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 162 [2024-02-07 14:52:28,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:52:28,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:52:28,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:52:28,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:52:28,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (1/1) ... [2024-02-07 14:52:28,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (1/1) ... [2024-02-07 14:52:28,632 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (1/1) ... [2024-02-07 14:52:28,651 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 14:52:28,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (1/1) ... [2024-02-07 14:52:28,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (1/1) ... [2024-02-07 14:52:28,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (1/1) ... [2024-02-07 14:52:28,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (1/1) ... [2024-02-07 14:52:28,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (1/1) ... [2024-02-07 14:52:28,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (1/1) ... [2024-02-07 14:52:28,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:52:28,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:52:28,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:52:28,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:52:28,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (1/1) ... [2024-02-07 14:52:28,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:28,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:52:28,764 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 14:52:28,774 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 14:52:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:52:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:52:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:52:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:52:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:52:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 14:52:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:52:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:52:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:52:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:52:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:52:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 14:52:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:52:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:52:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:52:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:52:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:52:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:52:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:52:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:52:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:52:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:52:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:52:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:52:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:52:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:52:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:52:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:52:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:52:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 14:52:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:52:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:52:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:52:28,809 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 14:52:28,981 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:52:28,983 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:52:29,656 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:52:29,657 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:52:30,273 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:52:30,274 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:52:30,274 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:52:30 BoogieIcfgContainer [2024-02-07 14:52:30,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:52:30,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:52:30,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:52:30,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:52:30,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:52:27" (1/4) ... [2024-02-07 14:52:30,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e604df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:52:30, skipping insertion in model container [2024-02-07 14:52:30,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:27" (2/4) ... [2024-02-07 14:52:30,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e604df7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:52:30, skipping insertion in model container [2024-02-07 14:52:30,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:28" (3/4) ... [2024-02-07 14:52:30,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e604df7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:52:30, skipping insertion in model container [2024-02-07 14:52:30,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:52:30" (4/4) ... [2024-02-07 14:52:30,282 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_rmo.opt.i [2024-02-07 14:52:30,299 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:52:30,299 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-02-07 14:52:30,300 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:52:30,423 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:52:30,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 107 places, 95 transitions, 206 flow [2024-02-07 14:52:30,494 INFO L124 PetriNetUnfolderBase]: 1/91 cut-off events. [2024-02-07 14:52:30,494 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:52:30,499 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 14:52:30,499 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 95 transitions, 206 flow [2024-02-07 14:52:30,503 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 91 transitions, 194 flow [2024-02-07 14:52:30,545 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:52:30,551 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;@393586b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:52:30,551 INFO L358 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2024-02-07 14:52:30,554 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:52:30,554 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:52:30,554 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:52:30,555 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:52:30,555 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:52:30,556 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 14:52:30,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:52:30,560 INFO L85 PathProgramCache]: Analyzing trace with hash 35109, now seen corresponding path program 1 times [2024-02-07 14:52:30,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:52:30,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631107870] [2024-02-07 14:52:30,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:52:30,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:52:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:52:30,940 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 14:52:30,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:52:30,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631107870] [2024-02-07 14:52:30,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631107870] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:52:30,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:52:30,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:52:30,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617609464] [2024-02-07 14:52:30,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:52:30,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:52:30,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:52:30,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:52:30,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:52:30,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 95 [2024-02-07 14:52:30,981 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 14:52:30,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:52:30,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 95 [2024-02-07 14:52:30,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand