./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe016_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/safe016_power.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec 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/safe016_power.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe016_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-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:30:15,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:30:15,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:30:15,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:30:15,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:30:16,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:30:16,010 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:30:16,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:30:16,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:30:16,016 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:30:16,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:30:16,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:30:16,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:30:16,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:30:16,019 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:30:16,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:30:16,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:30:16,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:30:16,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:30:16,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:30:16,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:30:16,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:30:16,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:30:16,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:30:16,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:30:16,021 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:30:16,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:30:16,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:30:16,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:30:16,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:30:16,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:30:16,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:30:16,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:30:16,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:30:16,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:30:16,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:30:16,024 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:30:16,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:30:16,024 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:30:16,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:30:16,025 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:30:16,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:30:16,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:30:16,025 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:30:16,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:30:16,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:30:16,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:30:16,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:30:16,251 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:30:16,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_power.opt.i [2024-02-07 19:30:17,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:30:17,583 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:30:17,584 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_power.opt.i [2024-02-07 19:30:17,598 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8ee9c9b/747d0f0025274d8bbf7cdc80b642d6fa/FLAG26fe46955 [2024-02-07 19:30:17,608 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8ee9c9b/747d0f0025274d8bbf7cdc80b642d6fa [2024-02-07 19:30:17,611 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:30:17,612 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:30:17,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe016_power.opt.yml/witness.yml [2024-02-07 19:30:17,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:30:17,739 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:30:17,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:30:17,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:30:17,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:30:17,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:30:17" (1/2) ... [2024-02-07 19:30:17,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139ff7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:17, skipping insertion in model container [2024-02-07 19:30:17,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:30:17" (1/2) ... [2024-02-07 19:30:17,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79c4f6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:30:17, skipping insertion in model container [2024-02-07 19:30:17,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:17" (2/2) ... [2024-02-07 19:30:17,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139ff7cb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:17, skipping insertion in model container [2024-02-07 19:30:17,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:17" (2/2) ... [2024-02-07 19:30:17,749 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:30:17,903 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:30:17,905 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] ((((0 <= x) && (x <= 2)) && (x <= 127)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 19:30:17,905 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:30:17,905 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:17,905 INFO L76 edCorrectnessWitness]: Location invariant before [L896-L896] (((0 <= x) && (x <= 2)) && (x <= 127)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 19:30:17,905 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (((0 <= x) && (x <= 2)) && (x <= 127)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 19:30:17,906 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] x$r_buff1_thd1 == (_Bool)0 [2024-02-07 19:30:17,906 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:30:17,906 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] x$flush_delayed == (_Bool)0 [2024-02-07 19:30:17,906 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:17,906 INFO L76 edCorrectnessWitness]: Location invariant before [L898-L898] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:30:17,907 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] 0 <= __unbuffered_cnt [2024-02-07 19:30:17,907 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:17,907 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] 1 <= __unbuffered_cnt [2024-02-07 19:30:17,907 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] 0 <= __unbuffered_cnt [2024-02-07 19:30:17,907 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] __unbuffered_p2_EAX$read_delayed == (_Bool)1 [2024-02-07 19:30:17,907 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] ((((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 19:30:17,907 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:30:17,908 INFO L76 edCorrectnessWitness]: Location invariant before [L894-L894] (((((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (x == 2)) && ((y == 2 && (__unbuffered_p0_EAX == 2 || ((0 <= __unbuffered_p0_EAX && __unbuffered_p0_EAX <= 2) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)))) || ((((((0 <= __unbuffered_p0_EAX && 0 <= y) && __unbuffered_p0_EAX <= 2) && y <= 2) && y <= 127) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2)))) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2) [2024-02-07 19:30:17,908 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:17,908 INFO L76 edCorrectnessWitness]: Location invariant before [L892-L892] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:30:17,908 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:17,909 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] 0 <= __unbuffered_cnt [2024-02-07 19:30:17,909 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] x$r_buff1_thd2 == (_Bool)0 [2024-02-07 19:30:17,909 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] x == 1 [2024-02-07 19:30:17,909 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:17,909 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:17,909 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:17,909 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:30:17,910 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] 0 <= __unbuffered_cnt [2024-02-07 19:30:17,910 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:30:17,910 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:30:17,910 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] (((0 <= x$mem_tmp) && (x$mem_tmp <= 2)) && (x$mem_tmp <= 127)) && ((x$mem_tmp == 0 || x$mem_tmp == 1) || x$mem_tmp == 2) [2024-02-07 19:30:17,910 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:30:17,910 INFO L76 edCorrectnessWitness]: Location invariant before [L897-L897] x$flush_delayed == (_Bool)0 [2024-02-07 19:30:17,911 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] (((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EAX <= 127)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2) [2024-02-07 19:30:17,911 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] 1 <= __unbuffered_cnt [2024-02-07 19:30:17,911 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:17,911 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] 1 <= __unbuffered_cnt [2024-02-07 19:30:17,912 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] x$w_buff1_used == (_Bool)0 [2024-02-07 19:30:17,912 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] ((((0 <= x) && (x <= 2)) && (x <= 127)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 19:30:17,913 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] y == 2 [2024-02-07 19:30:17,913 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] 0 <= __unbuffered_cnt [2024-02-07 19:30:17,913 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:30:17,913 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] 1 <= __unbuffered_cnt [2024-02-07 19:30:17,913 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:30:17,913 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] y == 1 [2024-02-07 19:30:17,914 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:30:17,914 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:30:17,914 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] x == 2 [2024-02-07 19:30:17,914 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] ((((((((0 <= x) && (0 <= *__unbuffered_p2_EAX$read_delayed_var)) && (x <= 2)) && (x <= 127)) && (*__unbuffered_p2_EAX$read_delayed_var <= 2)) && (*__unbuffered_p2_EAX$read_delayed_var <= 127)) && (__unbuffered_p2_EAX$read_delayed_var == & x)) && ((x == 0 || x == 1) || x == 2)) && ((*__unbuffered_p2_EAX$read_delayed_var == 0 || *__unbuffered_p2_EAX$read_delayed_var == 1) || *__unbuffered_p2_EAX$read_delayed_var == 2) [2024-02-07 19:30:17,914 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:30:17,955 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:30:18,113 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/safe016_power.opt.i[951,964] [2024-02-07 19:30:18,281 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:30:18,292 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:30:18,318 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/safe016_power.opt.i[951,964] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 19:30:18,430 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:30:18,474 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:30:18,476 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18 WrapperNode [2024-02-07 19:30:18,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:30:18,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:30:18,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:30:18,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:30:18,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (1/1) ... [2024-02-07 19:30:18,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (1/1) ... [2024-02-07 19:30:18,557 INFO L138 Inliner]: procedures = 177, calls = 130, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 238 [2024-02-07 19:30:18,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:30:18,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:30:18,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:30:18,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:30:18,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (1/1) ... [2024-02-07 19:30:18,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (1/1) ... [2024-02-07 19:30:18,582 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (1/1) ... [2024-02-07 19:30:18,614 INFO L175 MemorySlicer]: Split 73 memory accesses to 6 slices as follows [2, 1, 1, 67, 1, 1]. 92 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 1, 0, 0]. The 15 writes are split as follows [0, 1, 1, 11, 1, 1]. [2024-02-07 19:30:18,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (1/1) ... [2024-02-07 19:30:18,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (1/1) ... [2024-02-07 19:30:18,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (1/1) ... [2024-02-07 19:30:18,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (1/1) ... [2024-02-07 19:30:18,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (1/1) ... [2024-02-07 19:30:18,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (1/1) ... [2024-02-07 19:30:18,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:30:18,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:30:18,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:30:18,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:30:18,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (1/1) ... [2024-02-07 19:30:18,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:30:18,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:30:18,721 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 19:30:18,737 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 19:30:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:30:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:30:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:30:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:30:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:30:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 19:30:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:30:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:30:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:30:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:30:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:30:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 19:30:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:30:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:30:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:30:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:30:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:30:18,767 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:30:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:30:18,767 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:30:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:30:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:30:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:30:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:30:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:30:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:30:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:30:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:30:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:30:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 19:30:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:30:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:30:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:30:18,772 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 19:30:18,913 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:30:18,915 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:30:19,444 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:30:19,444 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:30:20,000 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:30:20,001 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:30:20,001 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:30:20 BoogieIcfgContainer [2024-02-07 19:30:20,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:30:20,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:30:20,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:30:20,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:30:20,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:30:17" (1/4) ... [2024-02-07 19:30:20,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687f771c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:30:20, skipping insertion in model container [2024-02-07 19:30:20,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:30:17" (2/4) ... [2024-02-07 19:30:20,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687f771c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:30:20, skipping insertion in model container [2024-02-07 19:30:20,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:30:18" (3/4) ... [2024-02-07 19:30:20,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687f771c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:30:20, skipping insertion in model container [2024-02-07 19:30:20,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:30:20" (4/4) ... [2024-02-07 19:30:20,008 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_power.opt.i [2024-02-07 19:30:20,023 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:30:20,024 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-02-07 19:30:20,024 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:30:20,156 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:30:20,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 100 transitions, 216 flow [2024-02-07 19:30:20,222 INFO L124 PetriNetUnfolderBase]: 1/96 cut-off events. [2024-02-07 19:30:20,222 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:30:20,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 96 events. 1/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 378 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2024-02-07 19:30:20,227 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 100 transitions, 216 flow [2024-02-07 19:30:20,231 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 96 transitions, 204 flow [2024-02-07 19:30:20,238 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:30:20,243 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;@29372fb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:30:20,244 INFO L358 AbstractCegarLoop]: Starting to check reachability of 91 error locations. [2024-02-07 19:30:20,246 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:30:20,246 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:30:20,246 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:30:20,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:30:20,247 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:30:20,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 88 more)] === [2024-02-07 19:30:20,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:30:20,252 INFO L85 PathProgramCache]: Analyzing trace with hash 40856, now seen corresponding path program 1 times [2024-02-07 19:30:20,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:30:20,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726191850] [2024-02-07 19:30:20,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:30:20,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:30:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:30:20,616 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 19:30:20,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:30:20,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726191850] [2024-02-07 19:30:20,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726191850] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:30:20,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:30:20,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:30:20,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346655199] [2024-02-07 19:30:20,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:30:20,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:30:20,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:30:20,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:30:20,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:30:20,661 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 100 [2024-02-07 19:30:20,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 96 transitions, 204 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 19:30:20,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:30:20,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 100 [2024-02-07 19:30:20,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand