./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.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/rfi006_pso.oepc_pso.opt_tso.oepc_tso.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/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/rfi006_pso.oepc_pso.opt_tso.oepc_tso.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 14:50:52,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:50:52,839 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:50:52,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:50:52,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:50:52,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:50:52,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:50:52,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:50:52,872 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:50:52,876 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:50:52,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:50:52,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:50:52,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:50:52,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:50:52,879 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:50:52,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:50:52,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:50:52,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:50:52,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:50:52,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:50:52,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:50:52,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:50:52,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:50:52,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:50:52,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:50:52,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:50:52,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:50:52,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:50:52,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:50:52,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:50:52,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:50:52,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:50:52,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:50:52,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:50:52,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:50:52,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:50:52,886 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:50:52,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:50:52,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:50:52,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:50:52,887 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:50:52,887 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:50:52,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:50:52,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:50:53,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:50:53,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:50:53,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:50:53,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:50:53,163 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:50:53,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-02-07 14:50:54,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:50:54,585 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:50:54,586 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-02-07 14:50:54,609 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c772f904b/f3b7513175d4430c8fd0a545baa40e5d/FLAG06df26ba6 [2024-02-07 14:50:54,621 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c772f904b/f3b7513175d4430c8fd0a545baa40e5d [2024-02-07 14:50:54,623 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:50:54,624 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:50:54,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml [2024-02-07 14:50:54,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:50:54,770 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:50:54,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:50:54,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:50:54,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:50:54,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:50:54" (1/2) ... [2024-02-07 14:50:54,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1f2f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:50:54, skipping insertion in model container [2024-02-07 14:50:54,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:50:54" (1/2) ... [2024-02-07 14:50:54,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65f34ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:50:54, skipping insertion in model container [2024-02-07 14:50:54,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:50:54" (2/2) ... [2024-02-07 14:50:54,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1f2f93 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:50:54, skipping insertion in model container [2024-02-07 14:50:54,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:50:54" (2/2) ... [2024-02-07 14:50:54,783 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:50:55,042 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:50:55,043 INFO L76 edCorrectnessWitness]: Location invariant before [L744-L744] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 14:50:55,043 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (y$r_buff1_thd3 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,044 INFO L76 edCorrectnessWitness]: Location invariant before [L854-L854] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:50:55,044 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:50:55,044 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) [2024-02-07 14:50:55,044 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:50:55,044 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,045 INFO L76 edCorrectnessWitness]: Location invariant before [L751-L751] (y$r_buff1_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,045 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] (y$r_buff1_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,045 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:50:55,045 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:50:55,045 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:50:55,045 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] ((((0 <= y$w_buff1) && (y$w_buff1 <= 2)) && (y$w_buff1 <= 127)) && (y$w_buff1 % 2 == 0)) && (y$w_buff1 == 0 || y$w_buff1 == 2) [2024-02-07 14:50:55,046 INFO L76 edCorrectnessWitness]: Location invariant before [L749-L749] (y$r_buff1_thd1 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,046 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] 0 <= __unbuffered_cnt [2024-02-07 14:50:55,046 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,046 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:50:55,047 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:50:55,047 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:50:55,047 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] y$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:50:55,047 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] y$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:50:55,048 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:50:55,048 INFO L76 edCorrectnessWitness]: Location invariant before [L858-L858] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,048 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] ((((0 <= y$w_buff0) && (y$w_buff0 <= 2)) && (y$w_buff0 <= 127)) && (y$w_buff0 % 2 == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2) [2024-02-07 14:50:55,048 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:50:55,049 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1 [2024-02-07 14:50:55,049 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] x == 1 [2024-02-07 14:50:55,049 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:50:55,049 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] y$r_buff0_thd2 == (_Bool)1 [2024-02-07 14:50:55,049 INFO L76 edCorrectnessWitness]: Location invariant before [L750-L750] (y$r_buff0_thd1 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,049 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,050 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] (y$w_buff0 == 2) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,050 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:50:55,050 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] 0 <= __unbuffered_cnt [2024-02-07 14:50:55,050 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:50:55,050 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] ((0 <= __unbuffered_p1_EBX) && (__unbuffered_p1_EBX <= 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) [2024-02-07 14:50:55,051 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] 1 <= __unbuffered_cnt [2024-02-07 14:50:55,051 INFO L76 edCorrectnessWitness]: Location invariant before [L859-L859] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,053 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:50:55,053 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,053 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] y$flush_delayed == (_Bool)0 [2024-02-07 14:50:55,053 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,053 INFO L76 edCorrectnessWitness]: Location invariant before [L752-L752] (y$r_buff0_thd1 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,053 INFO L76 edCorrectnessWitness]: Location invariant before [L747-L747] y == 1 [2024-02-07 14:50:55,054 INFO L76 edCorrectnessWitness]: Location invariant before [L855-L855] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,054 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:50:55,055 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] 0 <= __unbuffered_cnt [2024-02-07 14:50:55,055 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] 1 <= __unbuffered_cnt [2024-02-07 14:50:55,055 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] ((((0LL - (long long )y$w_buff0_used) + (long long )y$w_buff1_used >= 0LL) && ((long long )y$w_buff0_used + (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL) [2024-02-07 14:50:55,055 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] y$flush_delayed == (_Bool)0 [2024-02-07 14:50:55,055 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:50:55,056 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] 1 <= __unbuffered_cnt [2024-02-07 14:50:55,056 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:50:55,056 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,056 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,057 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] (y$r_buff1_thd1 == (_Bool)0) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:50:55,057 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 14:50:55,057 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] (y$r_buff0_thd3 == (_Bool)0) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) [2024-02-07 14:50:55,057 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,057 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,057 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] ((((0 <= __unbuffered_p1_EBX) && (__unbuffered_p1_EBX <= 1)) && (y == 2)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && ((__unbuffered_p0_EAX == 1 && (__unbuffered_p1_EAX == 2 || (((0 <= __unbuffered_p1_EAX && __unbuffered_p1_EAX <= 2) && __unbuffered_p1_EAX <= 127) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)))) || ((((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p1_EAX) && __unbuffered_p0_EAX <= 1) && __unbuffered_p1_EAX <= 2) && __unbuffered_p1_EAX <= 127) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2))) [2024-02-07 14:50:55,057 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,057 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] 0 <= __unbuffered_cnt [2024-02-07 14:50:55,057 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] (y$r_buff1_thd3 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,058 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,058 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:50:55,058 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,058 INFO L76 edCorrectnessWitness]: Location invariant before [L743-L743] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:50:55,058 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:50:55,058 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (y$r_buff0_thd3 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,058 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,058 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:50:55,058 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] (y$r_buff1_thd3 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,060 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:50:55,060 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] (y$r_buff0_thd3 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,060 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] y$r_buff0_thd0 == (_Bool)0 || ((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) [2024-02-07 14:50:55,060 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] y$r_buff1_thd1 == (_Bool)0 [2024-02-07 14:50:55,060 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:50:55,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:50:55,291 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/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2024-02-07 14:50:55,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:50:55,485 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:50:55,517 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/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 14:50:55,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:50:55,737 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:50:55,737 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:50:55 WrapperNode [2024-02-07 14:50:55,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:50:55,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:50:55,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:50:55,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:50:55,742 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 02:50:55" (1/1) ... [2024-02-07 14:50:55,767 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 02:50:55" (1/1) ... [2024-02-07 14:50:55,807 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 223 [2024-02-07 14:50:55,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:50:55,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:50:55,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:50:55,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:50:55,819 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 02:50:55" (1/1) ... [2024-02-07 14:50:55,819 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 02:50:55" (1/1) ... [2024-02-07 14:50:55,824 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 02:50:55" (1/1) ... [2024-02-07 14:50:55,904 INFO L175 MemorySlicer]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-07 14:50:55,904 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 02:50:55" (1/1) ... [2024-02-07 14:50:55,905 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 02:50:55" (1/1) ... [2024-02-07 14:50:55,920 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 02:50:55" (1/1) ... [2024-02-07 14:50:55,922 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 02:50:55" (1/1) ... [2024-02-07 14:50:55,933 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 02:50:55" (1/1) ... [2024-02-07 14:50:55,935 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 02:50:55" (1/1) ... [2024-02-07 14:50:55,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:50:55,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:50:55,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:50:55,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:50:55,943 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 02:50:55" (1/1) ... [2024-02-07 14:50:55,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:50:55,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:50:56,170 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 14:50:56,171 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 14:50:56,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:50:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:50:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:50:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:50:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:50:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:50:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:50:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:50:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:50:56,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:50:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:50:56,206 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:50:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:50:56,206 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:50:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:50:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:50:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:50:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:50:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:50:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:50:56,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:50:56,209 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 14:50:56,355 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:50:56,357 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:50:56,967 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:50:56,967 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:50:57,623 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:50:57,625 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:50:57,625 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:50:57 BoogieIcfgContainer [2024-02-07 14:50:57,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:50:57,628 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:50:57,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:50:57,632 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:50:57,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:50:54" (1/4) ... [2024-02-07 14:50:57,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7462e5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:50:57, skipping insertion in model container [2024-02-07 14:50:57,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:50:54" (2/4) ... [2024-02-07 14:50:57,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7462e5e8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:50:57, skipping insertion in model container [2024-02-07 14:50:57,634 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 02:50:55" (3/4) ... [2024-02-07 14:50:57,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7462e5e8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:50:57, skipping insertion in model container [2024-02-07 14:50:57,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:50:57" (4/4) ... [2024-02-07 14:50:57,636 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-02-07 14:50:57,653 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:50:57,654 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2024-02-07 14:50:57,654 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:50:57,788 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:50:57,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 129 places, 120 transitions, 252 flow [2024-02-07 14:50:57,903 INFO L124 PetriNetUnfolderBase]: 1/117 cut-off events. [2024-02-07 14:50:57,903 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:50:57,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 117 events. 1/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 616 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2024-02-07 14:50:57,955 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 120 transitions, 252 flow [2024-02-07 14:50:57,963 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 117 transitions, 243 flow [2024-02-07 14:50:57,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:50:57,980 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;@48684033, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:50:57,981 INFO L358 AbstractCegarLoop]: Starting to check reachability of 139 error locations. [2024-02-07 14:50:57,983 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:50:57,983 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:50:57,983 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:50:57,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:50:57,984 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:50:57,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 14:50:57,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:50:57,989 INFO L85 PathProgramCache]: Analyzing trace with hash 27097, now seen corresponding path program 1 times [2024-02-07 14:50:57,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:50:57,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002926574] [2024-02-07 14:50:57,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:50:58,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:50:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:50:58,318 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 14:50:58,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:50:58,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002926574] [2024-02-07 14:50:58,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002926574] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:50:58,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:50:58,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:50:58,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120711075] [2024-02-07 14:50:58,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:50:58,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:50:58,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:50:58,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:50:58,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:50:58,376 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 120 [2024-02-07 14:50:58,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 117 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 14:50:58,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:50:58,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 120 [2024-02-07 14:50:58,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:51:13,402 INFO L124 PetriNetUnfolderBase]: 100277/153277 cut-off events. [2024-02-07 14:51:13,402 INFO L125 PetriNetUnfolderBase]: For 248/248 co-relation queries the response was YES. [2024-02-07 14:51:13,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293975 conditions, 153277 events. 100277/153277 cut-off events. For 248/248 co-relation queries the response was YES. Maximal size of possible extension queue 6975. Compared 1345389 event pairs, 65759 based on Foata normal form. 2178/71629 useless extension candidates. Maximal degree in co-relation 293962. Up to 139607 conditions per place. [2024-02-07 14:51:14,507 INFO L140 encePairwiseOnDemand]: 63/120 looper letters, 72 selfloop transitions, 6 changer transitions 0/88 dead transitions. [2024-02-07 14:51:14,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 88 transitions, 344 flow [2024-02-07 14:51:14,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:51:14,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:51:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2024-02-07 14:51:14,518 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5027777777777778 [2024-02-07 14:51:14,519 INFO L175 Difference]: Start difference. First operand has 126 places, 117 transitions, 243 flow. Second operand 3 states and 181 transitions. [2024-02-07 14:51:14,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 88 transitions, 344 flow [2024-02-07 14:51:14,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 88 transitions, 340 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 14:51:14,529 INFO L231 Difference]: Finished difference. Result has 85 places, 75 transitions, 192 flow [2024-02-07 14:51:14,531 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=85, PETRI_TRANSITIONS=75} [2024-02-07 14:51:14,534 INFO L281 CegarLoopForPetriNet]: 126 programPoint places, -41 predicate places. [2024-02-07 14:51:14,534 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 75 transitions, 192 flow [2024-02-07 14:51:14,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 14:51:14,535 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:51:14,535 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:51:14,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:51:14,536 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 14:51:14,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:51:14,536 INFO L85 PathProgramCache]: Analyzing trace with hash 808256164, now seen corresponding path program 1 times [2024-02-07 14:51:14,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:51:14,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127123843] [2024-02-07 14:51:14,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:51:14,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:51:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:51:14,644 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 14:51:14,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:51:14,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127123843] [2024-02-07 14:51:14,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127123843] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:51:14,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:51:14,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:51:14,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285455347] [2024-02-07 14:51:14,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:51:14,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:51:14,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:51:14,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:51:14,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:51:14,650 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 120 [2024-02-07 14:51:14,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 75 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 14:51:14,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:51:14,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 120 [2024-02-07 14:51:14,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:51:27,063 INFO L124 PetriNetUnfolderBase]: 98497/139079 cut-off events. [2024-02-07 14:51:27,064 INFO L125 PetriNetUnfolderBase]: For 4606/4606 co-relation queries the response was YES. [2024-02-07 14:51:27,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308459 conditions, 139079 events. 98497/139079 cut-off events. For 4606/4606 co-relation queries the response was YES. Maximal size of possible extension queue 6898. Compared 1086765 event pairs, 12923 based on Foata normal form. 0/70705 useless extension candidates. Maximal degree in co-relation 308446. Up to 126457 conditions per place. [2024-02-07 14:51:27,860 INFO L140 encePairwiseOnDemand]: 116/120 looper letters, 111 selfloop transitions, 2 changer transitions 0/123 dead transitions. [2024-02-07 14:51:27,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 123 transitions, 541 flow [2024-02-07 14:51:27,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:51:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:51:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2024-02-07 14:51:27,864 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4361111111111111 [2024-02-07 14:51:27,864 INFO L175 Difference]: Start difference. First operand has 85 places, 75 transitions, 192 flow. Second operand 3 states and 157 transitions. [2024-02-07 14:51:27,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 123 transitions, 541 flow [2024-02-07 14:51:27,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 123 transitions, 519 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 14:51:27,869 INFO L231 Difference]: Finished difference. Result has 86 places, 75 transitions, 190 flow [2024-02-07 14:51:27,869 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=86, PETRI_TRANSITIONS=75} [2024-02-07 14:51:27,870 INFO L281 CegarLoopForPetriNet]: 126 programPoint places, -40 predicate places. [2024-02-07 14:51:27,870 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 75 transitions, 190 flow [2024-02-07 14:51:27,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 14:51:27,870 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:51:27,870 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:51:27,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:51:27,871 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 14:51:27,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:51:27,871 INFO L85 PathProgramCache]: Analyzing trace with hash -658258961, now seen corresponding path program 1 times [2024-02-07 14:51:27,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:51:27,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250496253] [2024-02-07 14:51:27,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:51:27,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:51:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:51:28,046 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 14:51:28,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:51:28,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250496253] [2024-02-07 14:51:28,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250496253] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:51:28,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:51:28,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:51:28,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551914729] [2024-02-07 14:51:28,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:51:28,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:51:28,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:51:28,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:51:28,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:51:28,050 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 120 [2024-02-07 14:51:28,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 75 transitions, 190 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 14:51:28,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:51:28,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 120 [2024-02-07 14:51:28,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand