./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe027_power.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/safe027_power.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/safe027_power.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe027_power.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:52:47,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:52:47,610 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:52:47,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:52:47,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:52:47,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:52:47,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:52:47,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:52:47,643 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:52:47,659 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:52:47,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:52:47,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:52:47,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:52:47,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:52:47,662 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:52:47,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:52:47,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:52:47,662 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:52:47,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:52:47,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:52:47,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:52:47,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:52:47,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:52:47,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:52:47,664 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:52:47,664 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:52:47,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:52:47,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:52:47,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:52:47,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:52:47,666 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:52:47,666 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:52:47,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:47,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:52:47,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:52:47,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:52:47,668 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:52:47,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:52:47,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:52:47,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:52:47,668 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:52:47,669 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:52:47,669 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:52:47,669 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:52:47,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:52:47,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:52:47,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:52:47,925 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:52:47,926 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:52:47,927 INFO L431 ainManager$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/safe027_power.opt.yml/witness.yml [2024-02-07 14:52:48,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:52:48,062 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:52:48,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_power.opt.i [2024-02-07 14:52:49,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:52:49,339 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:52:49,339 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_power.opt.i [2024-02-07 14:52:49,351 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d36a0c5/9c7038bd931546d8b07b24f209e0d7ac/FLAGeb8762c43 [2024-02-07 14:52:49,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d36a0c5/9c7038bd931546d8b07b24f209e0d7ac [2024-02-07 14:52:49,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:52:49,363 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:52:49,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:49,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:52:49,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:52:49,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:48" (1/2) ... [2024-02-07 14:52:49,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5032267e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:49, skipping insertion in model container [2024-02-07 14:52:49,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:48" (1/2) ... [2024-02-07 14:52:49,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2da2d56d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:49, skipping insertion in model container [2024-02-07 14:52:49,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:49" (2/2) ... [2024-02-07 14:52:49,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5032267e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:49, skipping insertion in model container [2024-02-07 14:52:49,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:49" (2/2) ... [2024-02-07 14:52:49,371 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:52:49,547 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:52:49,548 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:52:49,548 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:52:49,548 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:52:49,548 INFO L76 edCorrectnessWitness]: Location invariant before [L893-L893] 0 <= __unbuffered_cnt [2024-02-07 14:52:49,548 INFO L76 edCorrectnessWitness]: Location invariant before [L897-L897] (x$r_buff1_thd0 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,549 INFO L76 edCorrectnessWitness]: Location invariant before [L900-L900] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,549 INFO L76 edCorrectnessWitness]: Location invariant before [L863-L863] (x$r_buff0_thd4 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,549 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] (x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)1) [2024-02-07 14:52:49,549 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] ((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) [2024-02-07 14:52:49,549 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:52:49,549 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:52:49,549 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:52:49,550 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] (x$w_buff0 == 1) && (x$w_buff0_used == (_Bool)0 || x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,550 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:49,550 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] (((((x$r_buff1_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) || (weak$$choice0 == (_Bool)0 && (weak$$choice1 == (_Bool)0 || weak$$choice1 == (_Bool)1))) || (((x$r_buff0_thd3 == (_Bool)0 && x$r_buff1_thd3 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1)) || (((x$r_buff0_thd3 == (_Bool)0 && x$r_buff1_thd3 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (((x$r_buff0_thd3 == (_Bool)0 && x$r_buff1_thd3 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,550 INFO L76 edCorrectnessWitness]: Location invariant before [L906-L906] ((((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (__unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && ((__unbuffered_p0_EBX == 0 && (__unbuffered_p2_EAX == 1 || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) || (((((0 <= __unbuffered_p0_EBX && 0 <= __unbuffered_p2_EAX) && __unbuffered_p0_EBX <= 1) && __unbuffered_p2_EAX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1))) [2024-02-07 14:52:49,550 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd3 == (_Bool)0 || x$r_buff0_thd3 == (_Bool)0) [2024-02-07 14:52:49,550 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] (x$r_buff0_thd3 == (_Bool)0) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) [2024-02-07 14:52:49,550 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] (x$r_buff1_thd3 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,551 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] (x$r_buff1_thd3 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,551 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:52:49,551 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] __unbuffered_p2_EAX$read_delayed == (_Bool)1 [2024-02-07 14:52:49,551 INFO L76 edCorrectnessWitness]: Location invariant before [L895-L895] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:52:49,552 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:52:49,552 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1 [2024-02-07 14:52:49,552 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] (x$r_buff1_thd4 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd4 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,552 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] 0 <= __unbuffered_cnt [2024-02-07 14:52:49,552 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] (x$r_buff0_thd3 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,552 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] (x$r_buff1_thd3 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,552 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd3 == (_Bool)0 || x$r_buff0_thd3 == (_Bool)0) [2024-02-07 14:52:49,553 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] x$r_buff0_thd2 == (_Bool)1 [2024-02-07 14:52:49,553 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] (x$r_buff1_thd4 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd4 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,553 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:52:49,553 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] 0 <= __unbuffered_cnt [2024-02-07 14:52:49,553 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] x$flush_delayed == (_Bool)0 [2024-02-07 14:52:49,554 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] 1 <= __unbuffered_cnt [2024-02-07 14:52:49,554 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] 0 <= __unbuffered_cnt [2024-02-07 14:52:49,554 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:52:49,555 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (x$r_buff1_thd1 == (_Bool)0) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:52:49,555 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] ((((0LL - (long long )x$w_buff0_used) + (long long )x$w_buff1_used >= 0LL) && ((long long )x$w_buff0_used + (long long )x$w_buff1_used >= 0LL)) && ((0LL - (long long )x$w_buff0_used) - (long long )x$w_buff1_used >= 0LL)) && ((long long )x$w_buff0_used - (long long )x$w_buff1_used >= 0LL) [2024-02-07 14:52:49,555 INFO L76 edCorrectnessWitness]: Location invariant before [L908-L908] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:52:49,555 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] 1 <= __unbuffered_cnt [2024-02-07 14:52:49,556 INFO L76 edCorrectnessWitness]: Location invariant before [L898-L898] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,556 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:52:49,556 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] ((0 <= x$w_buff1) && (x$w_buff1 <= 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1) [2024-02-07 14:52:49,556 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:52:49,557 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] (x$r_buff0_thd1 == (_Bool)0) && (x$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:52:49,557 INFO L76 edCorrectnessWitness]: Location invariant before [L894-L894] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:52:49,557 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] x$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:52:49,557 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] y == 1 [2024-02-07 14:52:49,557 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:49,557 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:52:49,558 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:52:49,558 INFO L76 edCorrectnessWitness]: Location invariant before [L907-L907] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:52:49,558 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] (x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd3 == (_Bool)0 || x$r_buff0_thd3 == (_Bool)0) [2024-02-07 14:52:49,558 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] x$flush_delayed == (_Bool)0 [2024-02-07 14:52:49,559 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:49,559 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] ((((((0 <= x) && (0 <= *__unbuffered_p2_EAX$read_delayed_var)) && (x <= 1)) && (*__unbuffered_p2_EAX$read_delayed_var <= 1)) && (__unbuffered_p2_EAX$read_delayed_var == & x)) && (x == 0 || x == 1)) && (*__unbuffered_p2_EAX$read_delayed_var == 0 || *__unbuffered_p2_EAX$read_delayed_var == 1) [2024-02-07 14:52:49,559 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:52:49,559 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:52:49,560 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] (x$r_buff1_thd4 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd4 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,560 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] ((0 <= x$mem_tmp) && (x$mem_tmp <= 1)) && (x$mem_tmp == 0 || x$mem_tmp == 1) [2024-02-07 14:52:49,560 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] ((((((x$r_buff0_thd1 == (_Bool)0 || ((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1)) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || ((x$r_buff1_thd1 == (_Bool)0 && (x$w_buff0_used == (_Bool)0 || x$w_buff0_used == (_Bool)1)) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || x$r_buff0_thd1 == (_Bool)0) || ((x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1) && (weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1)) [2024-02-07 14:52:49,560 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] 1 <= __unbuffered_cnt [2024-02-07 14:52:49,560 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:49,560 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1 [2024-02-07 14:52:49,560 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] (x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd3 == (_Bool)0 || x$r_buff0_thd3 == (_Bool)0) [2024-02-07 14:52:49,560 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] (x$r_buff0_thd3 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,561 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] (x$w_buff1_used == (_Bool)1 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) [2024-02-07 14:52:49,561 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] (((0 <= x) && (x <= 1)) && (x == 0 || x == 1)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1) [2024-02-07 14:52:49,561 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] (x$r_buff0_thd4 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,561 INFO L76 edCorrectnessWitness]: Location invariant before [L901-L901] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,561 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] (((0 <= x) && (x <= 1)) && (x$r_buff1_thd1 == (_Bool)0)) && (x == 0 || x == 1) [2024-02-07 14:52:49,561 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] 1 <= __unbuffered_cnt [2024-02-07 14:52:49,561 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] 0 <= __unbuffered_cnt [2024-02-07 14:52:49,562 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] (x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd3 == (_Bool)0 || x$r_buff0_thd3 == (_Bool)0) [2024-02-07 14:52:49,562 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] (x$w_buff0_used == (_Bool)1) && (x$r_buff1_thd3 == (_Bool)0 || x$r_buff0_thd3 == (_Bool)0) [2024-02-07 14:52:49,562 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] (((0 <= x) && (x <= 1)) && (x == 0 || x == 1)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1) [2024-02-07 14:52:49,562 INFO L76 edCorrectnessWitness]: Location invariant before [L899-L899] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:49,562 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 14:52:49,563 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] (x$r_buff0_thd4 == (_Bool)0) && (x$r_buff1_thd3 == (_Bool)0) [2024-02-07 14:52:49,563 INFO L76 edCorrectnessWitness]: Location invariant before [L902-L902] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:52:49,563 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] ((0 <= x$w_buff0) && (x$w_buff0 <= 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1) [2024-02-07 14:52:49,563 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:49,563 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:49,563 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:52:49,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:52:49,794 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/safe027_power.opt.i[994,1007] [2024-02-07 14:52:49,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:52:50,001 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:52:50,032 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/safe027_power.opt.i[994,1007] 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:52:50,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:52:50,156 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:52:50,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50 WrapperNode [2024-02-07 14:52:50,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:50,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:52:50,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:52:50,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:52:50,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (1/1) ... [2024-02-07 14:52:50,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (1/1) ... [2024-02-07 14:52:50,209 INFO L138 Inliner]: procedures = 177, calls = 116, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 229 [2024-02-07 14:52:50,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:52:50,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:52:50,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:52:50,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:52:50,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (1/1) ... [2024-02-07 14:52:50,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (1/1) ... [2024-02-07 14:52:50,226 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (1/1) ... [2024-02-07 14:52:50,244 INFO L175 MemorySlicer]: Split 58 memory accesses to 6 slices as follows [2, 1, 1, 1, 1, 52]. 90 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 0, 1]. The 12 writes are split as follows [0, 1, 1, 1, 1, 8]. [2024-02-07 14:52:50,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (1/1) ... [2024-02-07 14:52:50,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (1/1) ... [2024-02-07 14:52:50,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (1/1) ... [2024-02-07 14:52:50,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (1/1) ... [2024-02-07 14:52:50,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (1/1) ... [2024-02-07 14:52:50,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (1/1) ... [2024-02-07 14:52:50,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:52:50,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:52:50,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:52:50,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:52:50,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (1/1) ... [2024-02-07 14:52:50,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:50,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:52:50,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:52:50,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:52:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:52:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:52:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:52:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:52:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:52:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 14:52:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:52:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:52:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:52:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:52:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:52:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 14:52:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:52:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:52:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:52:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:52:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:52:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:52:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:52:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:52:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:52:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:52:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:52:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:52:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:52:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:52:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:52:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:52:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:52:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 14:52:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:52:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:52:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:52:50,362 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:52:50,534 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:52:50,536 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:52:51,133 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:52:51,133 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:52:52,013 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:52:52,014 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:52:52,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:52:52 BoogieIcfgContainer [2024-02-07 14:52:52,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:52:52,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:52:52,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:52:52,019 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:52:52,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:48" (1/4) ... [2024-02-07 14:52:52,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476fa239 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:52:52, skipping insertion in model container [2024-02-07 14:52:52,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:52:49" (2/4) ... [2024-02-07 14:52:52,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476fa239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:52:52, skipping insertion in model container [2024-02-07 14:52:52,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:50" (3/4) ... [2024-02-07 14:52:52,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476fa239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:52:52, skipping insertion in model container [2024-02-07 14:52:52,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:52:52" (4/4) ... [2024-02-07 14:52:52,023 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_power.opt.i [2024-02-07 14:52:52,038 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:52:52,038 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 89 error locations. [2024-02-07 14:52:52,038 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:52:52,278 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:52:52,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 147 places, 135 transitions, 286 flow [2024-02-07 14:52:52,372 INFO L124 PetriNetUnfolderBase]: 1/131 cut-off events. [2024-02-07 14:52:52,373 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:52:52,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 131 events. 1/131 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 679 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 133. Up to 2 conditions per place. [2024-02-07 14:52:52,378 INFO L82 GeneralOperation]: Start removeDead. Operand has 147 places, 135 transitions, 286 flow [2024-02-07 14:52:52,383 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 131 transitions, 274 flow [2024-02-07 14:52:52,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:52:52,394 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;@31069f77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:52:52,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 167 error locations. [2024-02-07 14:52:52,397 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:52:52,397 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:52:52,397 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:52:52,397 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:52:52,398 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:52:52,398 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 164 more)] === [2024-02-07 14:52:52,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:52:52,402 INFO L85 PathProgramCache]: Analyzing trace with hash 49558, now seen corresponding path program 1 times [2024-02-07 14:52:52,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:52:52,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210747350] [2024-02-07 14:52:52,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:52:52,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:52:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:52:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:52:52,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:52:52,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210747350] [2024-02-07 14:52:52,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210747350] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:52:52,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:52:52,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:52:52,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491431542] [2024-02-07 14:52:52,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:52:52,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:52:52,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:52:52,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:52:52,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:52:52,673 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 135 [2024-02-07 14:52:52,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 131 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:52:52,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:52:52,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 135 [2024-02-07 14:52:52,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:53:08,911 INFO L124 PetriNetUnfolderBase]: 81972/125336 cut-off events. [2024-02-07 14:53:08,912 INFO L125 PetriNetUnfolderBase]: For 284/284 co-relation queries the response was YES. [2024-02-07 14:53:09,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238468 conditions, 125336 events. 81972/125336 cut-off events. For 284/284 co-relation queries the response was YES. Maximal size of possible extension queue 6243. Compared 1115352 event pairs, 35092 based on Foata normal form. 2106/60334 useless extension candidates. Maximal degree in co-relation 238454. Up to 103354 conditions per place. [2024-02-07 14:53:09,676 INFO L140 encePairwiseOnDemand]: 74/135 looper letters, 84 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2024-02-07 14:53:09,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 98 transitions, 386 flow [2024-02-07 14:53:09,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:53:09,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:53:09,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2024-02-07 14:53:09,688 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5407407407407407 [2024-02-07 14:53:09,689 INFO L175 Difference]: Start difference. First operand has 143 places, 131 transitions, 274 flow. Second operand 3 states and 219 transitions. [2024-02-07 14:53:09,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 98 transitions, 386 flow [2024-02-07 14:53:09,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 98 transitions, 380 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:53:09,716 INFO L231 Difference]: Finished difference. Result has 84 places, 72 transitions, 180 flow [2024-02-07 14:53:09,718 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=84, PETRI_TRANSITIONS=72} [2024-02-07 14:53:09,721 INFO L281 CegarLoopForPetriNet]: 143 programPoint places, -59 predicate places. [2024-02-07 14:53:09,722 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 72 transitions, 180 flow [2024-02-07 14:53:09,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 14:53:09,722 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:53:09,722 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:53:09,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:53:09,723 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 164 more)] === [2024-02-07 14:53:09,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:53:09,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1478108025, now seen corresponding path program 1 times [2024-02-07 14:53:09,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:53:09,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666771337] [2024-02-07 14:53:09,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:53:09,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:53:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:53:09,820 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 14:53:09,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:53:09,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666771337] [2024-02-07 14:53:09,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666771337] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:53:09,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:53:09,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:53:09,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550622676] [2024-02-07 14:53:09,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:53:09,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:53:09,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:53:09,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:53:09,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:53:09,824 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 135 [2024-02-07 14:53:09,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 72 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 14:53:09,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:53:09,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 135 [2024-02-07 14:53:09,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand