./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix030_power.opt_pso.opt_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/mix030_power.opt_pso.opt_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/mix030_power.opt_pso.opt_rmo.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix030_power.opt_pso.opt_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 14:48:05,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:48:05,952 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:48:05,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:48:05,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:48:05,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:48:05,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:48:05,988 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:48:05,989 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:48:05,992 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:48:05,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:48:05,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:48:05,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:48:05,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:48:05,994 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:48:05,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:48:05,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:48:05,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:48:05,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:48:05,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:48:05,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:48:05,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:48:05,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:48:05,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:48:05,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:48:05,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:48:05,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:48:05,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:48:05,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:48:05,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:48:05,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:48:05,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:48:05,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:48:05,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:48:05,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:48:05,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:48:05,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:48:06,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:48:06,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:48:06,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:48:06,000 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:48:06,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:48:06,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:48:06,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:48:06,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:48:06,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:48:06,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:48:06,291 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:48:06,292 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:48:06,293 INFO L431 ainManager$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/mix030_power.opt_pso.opt_rmo.opt.yml/witness.yml [2024-02-07 14:48:06,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:48:06,427 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:48:06,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2024-02-07 14:48:07,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:48:07,863 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:48:07,863 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2024-02-07 14:48:07,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c2dcdb1/cba62375da824e89be3ec29570ba517e/FLAG5db7bcfd4 [2024-02-07 14:48:07,885 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c2dcdb1/cba62375da824e89be3ec29570ba517e [2024-02-07 14:48:07,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:48:07,886 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:48:07,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:48:07,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:48:07,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:48:07,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:48:06" (1/2) ... [2024-02-07 14:48:07,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6826b0c5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:48:07, skipping insertion in model container [2024-02-07 14:48:07,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:48:06" (1/2) ... [2024-02-07 14:48:07,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49e766b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:48:07, skipping insertion in model container [2024-02-07 14:48:07,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:48:07" (2/2) ... [2024-02-07 14:48:07,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6826b0c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:07, skipping insertion in model container [2024-02-07 14:48:07,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:48:07" (2/2) ... [2024-02-07 14:48:07,895 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:48:08,042 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:48:08,044 INFO L76 edCorrectnessWitness]: Location invariant before [L855-L855] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:48:08,044 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] 1 <= __unbuffered_cnt [2024-02-07 14:48:08,044 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] (y$r_buff1_thd2 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,044 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] x == 2 [2024-02-07 14:48:08,045 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 14:48:08,045 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 14:48:08,045 INFO L76 edCorrectnessWitness]: Location invariant before [L854-L854] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:48:08,046 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 14:48:08,046 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:48:08,046 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) [2024-02-07 14:48:08,046 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] (y$r_buff0_thd2 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,046 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] (y$w_buff0 == 2) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,046 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:08,046 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] ((((0 <= y$w_buff0) && (y$w_buff0 <= 2)) && (y$w_buff0 <= 127)) && (y$w_buff0 % 2 == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2) [2024-02-07 14:48:08,046 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] 0 <= __unbuffered_cnt [2024-02-07 14:48:08,047 INFO L76 edCorrectnessWitness]: Location invariant before [L752-L752] x == 1 [2024-02-07 14:48:08,047 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] (y$r_buff1_thd4 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,047 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:48:08,047 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:48:08,047 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] 0 <= __unbuffered_cnt [2024-02-07 14:48:08,047 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] (y$r_buff0_thd2 == (_Bool)0) && (y$r_buff1_thd1 == (_Bool)0) [2024-02-07 14:48:08,048 INFO L76 edCorrectnessWitness]: Location invariant before [L749-L749] a == 1 [2024-02-07 14:48:08,048 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:08,048 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:48:08,048 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] (y$r_buff1_thd4 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,048 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:08,048 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] z == 1 [2024-02-07 14:48:08,049 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:08,049 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] 0 <= __unbuffered_cnt [2024-02-07 14:48:08,049 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,049 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,049 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] ((((0 <= y$w_buff1) && (y$w_buff1 <= 2)) && (y$w_buff1 <= 127)) && (y$w_buff1 % 2 == 0)) && (y$w_buff1 == 0 || y$w_buff1 == 2) [2024-02-07 14:48:08,049 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 2)) && (__unbuffered_p3_EAX <= 127)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2) [2024-02-07 14:48:08,049 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] (y$r_buff0_thd2 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,049 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:48:08,050 INFO L76 edCorrectnessWitness]: Location invariant before [L858-L858] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,050 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:48:08,050 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:08,051 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] 1 <= __unbuffered_cnt [2024-02-07 14:48:08,051 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:48:08,051 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:08,051 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] y == 1 [2024-02-07 14:48:08,051 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 14:48:08,052 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] (y$r_buff1_thd4 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,052 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] 0 <= __unbuffered_cnt [2024-02-07 14:48:08,052 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] 0 <= __unbuffered_cnt [2024-02-07 14:48:08,052 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] 1 <= __unbuffered_cnt [2024-02-07 14:48:08,053 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] (y$r_buff1_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,053 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] (y$r_buff1_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,053 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] (y$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$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,053 INFO L76 edCorrectnessWitness]: Location invariant before [L859-L859] (y$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$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,053 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (((0 <= z) && (z <= 2)) && (z <= 127)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 14:48:08,053 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:48:08,054 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,054 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (y$r_buff0_thd4 == (_Bool)0) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) [2024-02-07 14:48:08,054 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:48:08,054 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 14:48:08,055 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] ((((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 14:48:08,055 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] ((((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 14:48:08,055 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:48:08,055 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:48:08,056 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] 1 <= __unbuffered_cnt [2024-02-07 14:48:08,056 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:48:08,056 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] y$r_buff0_thd3 == (_Bool)1 [2024-02-07 14:48:08,056 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:48:08,056 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 14:48:08,056 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] (y$r_buff1_thd2 == (_Bool)0) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:48:08,056 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] y$r_buff1_thd2 == (_Bool)0 [2024-02-07 14:48:08,056 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] z == 2 [2024-02-07 14:48:08,057 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:48:08,057 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] y$flush_delayed == (_Bool)0 [2024-02-07 14:48:08,057 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (x == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((y == 2 && ((z == 2 && (__unbuffered_p3_EAX == 2 || (((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)))) || (((((((0 <= __unbuffered_p3_EAX && 0 <= z) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && z <= 2) && z <= 127) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)) && ((z == 0 || z == 1) || z == 2)))) || (((((((((((0 <= __unbuffered_p3_EAX && 0 <= y) && 0 <= z) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && y <= 2) && y <= 127) && z <= 2) && z <= 127) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)) && ((y == 0 || y == 1) || y == 2)) && ((z == 0 || z == 1) || z == 2))) [2024-02-07 14:48:08,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:48:08,264 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/mix030_power.opt_pso.opt_rmo.opt.i[966,979] [2024-02-07 14:48:08,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:48:08,418 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:48:08,443 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/mix030_power.opt_pso.opt_rmo.opt.i[966,979] 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 14:48:08,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:48:08,633 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:48:08,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08 WrapperNode [2024-02-07 14:48:08,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:48:08,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:48:08,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:48:08,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:48:08,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (1/1) ... [2024-02-07 14:48:08,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (1/1) ... [2024-02-07 14:48:08,716 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 205 [2024-02-07 14:48:08,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:48:08,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:48:08,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:48:08,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:48:08,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (1/1) ... [2024-02-07 14:48:08,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (1/1) ... [2024-02-07 14:48:08,736 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (1/1) ... [2024-02-07 14:48:08,759 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 14:48:08,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (1/1) ... [2024-02-07 14:48:08,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (1/1) ... [2024-02-07 14:48:08,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (1/1) ... [2024-02-07 14:48:08,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (1/1) ... [2024-02-07 14:48:08,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (1/1) ... [2024-02-07 14:48:08,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (1/1) ... [2024-02-07 14:48:08,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:48:08,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:48:08,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:48:08,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:48:08,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (1/1) ... [2024-02-07 14:48:08,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:48:08,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:48:08,863 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 14:48:08,922 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 14:48:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:48:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:48:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:48:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:48:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:48:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:48:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:48:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:48:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:48:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:48:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:48:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:48:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:48:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:48:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:48:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:48:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:48:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:48:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:48:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:48:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:48:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:48:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:48:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:48:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:48:08,963 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 14:48:09,085 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:48:09,086 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:48:09,513 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:48:09,513 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:48:09,943 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:48:09,943 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:48:09,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:48:09 BoogieIcfgContainer [2024-02-07 14:48:09,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:48:09,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:48:09,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:48:09,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:48:09,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:48:06" (1/4) ... [2024-02-07 14:48:09,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df2f6d3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:48:09, skipping insertion in model container [2024-02-07 14:48:09,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:48:07" (2/4) ... [2024-02-07 14:48:09,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df2f6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:48:09, skipping insertion in model container [2024-02-07 14:48:09,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:08" (3/4) ... [2024-02-07 14:48:09,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df2f6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:48:09, skipping insertion in model container [2024-02-07 14:48:09,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:48:09" (4/4) ... [2024-02-07 14:48:09,954 INFO L112 eAbstractionObserver]: Analyzing ICFG mix030_power.opt_pso.opt_rmo.opt.i [2024-02-07 14:48:09,969 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:48:09,969 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2024-02-07 14:48:09,970 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:48:10,063 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:48:10,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 123 transitions, 262 flow [2024-02-07 14:48:10,155 INFO L124 PetriNetUnfolderBase]: 1/119 cut-off events. [2024-02-07 14:48:10,156 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:48:10,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 119 events. 1/119 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 608 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 123. Up to 2 conditions per place. [2024-02-07 14:48:10,160 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 123 transitions, 262 flow [2024-02-07 14:48:10,167 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 119 transitions, 250 flow [2024-02-07 14:48:10,179 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:48:10,185 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;@3add306d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:48:10,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 129 error locations. [2024-02-07 14:48:10,189 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:48:10,189 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 14:48:10,189 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:48:10,189 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:48:10,190 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:48:10,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 126 more)] === [2024-02-07 14:48:10,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:48:10,196 INFO L85 PathProgramCache]: Analyzing trace with hash 24625694, now seen corresponding path program 1 times [2024-02-07 14:48:10,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:48:10,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197425040] [2024-02-07 14:48:10,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:48:10,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:48:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:48:10,363 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 14:48:10,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:48:10,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197425040] [2024-02-07 14:48:10,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197425040] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:48:10,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:48:10,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:48:10,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389380759] [2024-02-07 14:48:10,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:48:10,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:48:10,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:48:10,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:48:10,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:48:10,403 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 123 [2024-02-07 14:48:10,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 119 transitions, 250 flow. Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 14:48:10,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:48:10,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 123 [2024-02-07 14:48:10,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:48:37,328 INFO L124 PetriNetUnfolderBase]: 240479/328846 cut-off events. [2024-02-07 14:48:37,328 INFO L125 PetriNetUnfolderBase]: For 310/310 co-relation queries the response was YES. [2024-02-07 14:48:37,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640998 conditions, 328846 events. 240479/328846 cut-off events. For 310/310 co-relation queries the response was YES. Maximal size of possible extension queue 16463. Compared 2646669 event pairs, 240479 based on Foata normal form. 3000/170681 useless extension candidates. Maximal degree in co-relation 640986. Up to 311413 conditions per place. [2024-02-07 14:48:39,329 INFO L140 encePairwiseOnDemand]: 84/123 looper letters, 55 selfloop transitions, 0 changer transitions 0/67 dead transitions. [2024-02-07 14:48:39,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 67 transitions, 256 flow [2024-02-07 14:48:39,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:48:39,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:48:39,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 126 transitions. [2024-02-07 14:48:39,339 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5121951219512195 [2024-02-07 14:48:39,341 INFO L175 Difference]: Start difference. First operand has 131 places, 119 transitions, 250 flow. Second operand 2 states and 126 transitions. [2024-02-07 14:48:39,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 67 transitions, 256 flow [2024-02-07 14:48:39,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 67 transitions, 252 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:48:39,349 INFO L231 Difference]: Finished difference. Result has 77 places, 67 transitions, 142 flow [2024-02-07 14:48:39,351 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=142, PETRI_PLACES=77, PETRI_TRANSITIONS=67} [2024-02-07 14:48:39,353 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -54 predicate places. [2024-02-07 14:48:39,353 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 67 transitions, 142 flow [2024-02-07 14:48:39,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 14:48:39,354 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:48:39,354 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:48:39,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:48:39,354 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 126 more)] === [2024-02-07 14:48:39,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:48:39,355 INFO L85 PathProgramCache]: Analyzing trace with hash -814486767, now seen corresponding path program 1 times [2024-02-07 14:48:39,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:48:39,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122777360] [2024-02-07 14:48:39,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:48:39,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:48:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:48:39,425 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 14:48:39,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:48:39,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122777360] [2024-02-07 14:48:39,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122777360] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:48:39,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:48:39,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:48:39,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815274941] [2024-02-07 14:48:39,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:48:39,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:48:39,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:48:39,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:48:39,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:48:39,428 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 123 [2024-02-07 14:48:39,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 67 transitions, 142 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 14:48:39,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:48:39,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 123 [2024-02-07 14:48:39,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand