./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe016_rmo.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe016_rmo.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_rmo.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe016_rmo.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:52:07,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:52:07,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:52:07,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:52:07,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:52:07,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:52:07,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:52:07,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:52:07,286 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:52:07,290 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:52:07,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:52:07,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:52:07,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:52:07,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:52:07,294 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:52:07,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:52:07,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:52:07,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:52:07,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:52:07,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:52:07,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:52:07,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:52:07,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:52:07,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:52:07,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:52:07,297 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:52:07,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:52:07,298 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:52:07,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:52:07,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:52:07,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:52:07,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:52:07,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:07,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:52:07,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:52:07,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:52:07,301 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:52:07,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:52:07,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:52:07,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:52:07,302 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:52:07,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:52:07,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:52:07,303 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:52:07,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:52:07,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:52:07,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:52:07,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:52:07,538 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:52:07,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_rmo.opt.i [2024-02-07 14:52:08,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:52:08,897 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:52:08,897 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_rmo.opt.i [2024-02-07 14:52:08,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b016d2ad4/23881c75163541418b09fd81e1771d24/FLAG5c2cb05f4 [2024-02-07 14:52:08,930 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b016d2ad4/23881c75163541418b09fd81e1771d24 [2024-02-07 14:52:08,936 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:52:08,936 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:52:08,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe016_rmo.opt.yml/witness.yml [2024-02-07 14:52:09,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:52:09,059 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:52:09,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:09,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:52:09,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:52:09,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:08" (1/2) ... [2024-02-07 14:52:09,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736330df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:09, skipping insertion in model container [2024-02-07 14:52:09,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:08" (1/2) ... [2024-02-07 14:52:09,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34f646a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:09, skipping insertion in model container [2024-02-07 14:52:09,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:09" (2/2) ... [2024-02-07 14:52:09,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736330df and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09, skipping insertion in model container [2024-02-07 14:52:09,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:09" (2/2) ... [2024-02-07 14:52:09,067 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:52:09,185 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:52:09,187 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 14:52:09,187 INFO L76 edCorrectnessWitness]: Location invariant before [L897-L897] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:52:09,188 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:09,188 INFO L76 edCorrectnessWitness]: Location invariant before [L891-L891] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:52:09,188 INFO L76 edCorrectnessWitness]: Location invariant before [L895-L895] (((0 <= x) && (x <= 2)) && (x <= 127)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:52:09,189 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:09,189 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] 1 <= __unbuffered_cnt [2024-02-07 14:52:09,189 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] x$flush_delayed == (_Bool)0 [2024-02-07 14:52:09,189 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] __unbuffered_p2_EAX$read_delayed == (_Bool)1 [2024-02-07 14:52:09,189 INFO L76 edCorrectnessWitness]: Location invariant before [L896-L896] x$flush_delayed == (_Bool)0 [2024-02-07 14:52:09,189 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:09,189 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] 0 <= __unbuffered_cnt [2024-02-07 14:52:09,190 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:09,190 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] ((((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 14:52:09,190 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:09,190 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:52:09,190 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] x$r_buff1_thd1 == (_Bool)0 [2024-02-07 14:52:09,190 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] 1 <= __unbuffered_cnt [2024-02-07 14:52:09,191 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:52:09,191 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:52:09,191 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] 1 <= __unbuffered_cnt [2024-02-07 14:52:09,191 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] y == 2 [2024-02-07 14:52:09,191 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:52:09,192 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:09,192 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:52:09,192 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] ((((0LL - (long long )x$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$w_buff1_used >= 0LL) [2024-02-07 14:52:09,192 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:52:09,192 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:09,192 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:52:09,192 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:52:09,193 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (((0 <= x) && (x <= 2)) && (x <= 127)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:52:09,193 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] 0 <= __unbuffered_cnt [2024-02-07 14:52:09,193 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:52:09,193 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] ((((0 <= x) && (x <= 2)) && (x <= 127)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:52:09,193 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:09,193 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] ((((((((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$read_delayed_var == 2) [2024-02-07 14:52:09,193 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] 0 <= __unbuffered_cnt [2024-02-07 14:52:09,194 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] x == 2 [2024-02-07 14:52:09,195 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] 0 <= __unbuffered_cnt [2024-02-07 14:52:09,195 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] 0 <= __unbuffered_cnt [2024-02-07 14:52:09,195 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] x == 1 [2024-02-07 14:52:09,195 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:52:09,195 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] y == 1 [2024-02-07 14:52:09,195 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] 1 <= __unbuffered_cnt [2024-02-07 14:52:09,196 INFO L76 edCorrectnessWitness]: Location invariant before [L893-L893] (((((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (x == 2)) && ((y == 2 && (__unbuffered_p0_EAX == 2 || ((0 <= __unbuffered_p0_EAX && __unbuffered_p0_EAX <= 2) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)))) || ((((((0 <= __unbuffered_p0_EAX && 0 <= y) && __unbuffered_p0_EAX <= 2) && y <= 2) && y <= 127) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2)))) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2) [2024-02-07 14:52:09,196 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:09,196 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] x$w_buff1_used == (_Bool)0 [2024-02-07 14:52:09,196 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:52:09,197 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:52:09,197 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] x$r_buff1_thd2 == (_Bool)0 [2024-02-07 14:52:09,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:52:09,411 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_rmo.opt.i[949,962] [2024-02-07 14:52:09,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:52:09,679 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:52:09,726 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_rmo.opt.i[949,962] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 14:52:09,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:52:09,871 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:52:09,872 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09 WrapperNode [2024-02-07 14:52:09,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:09,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:52:09,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:52:09,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:52:09,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (1/1) ... [2024-02-07 14:52:09,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (1/1) ... [2024-02-07 14:52:09,926 INFO L138 Inliner]: procedures = 177, calls = 128, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 238 [2024-02-07 14:52:09,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:52:09,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:52:09,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:52:09,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:52:09,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (1/1) ... [2024-02-07 14:52:09,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (1/1) ... [2024-02-07 14:52:09,942 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (1/1) ... [2024-02-07 14:52:09,959 INFO L175 MemorySlicer]: Split 71 memory accesses to 6 slices as follows [2, 65, 1, 1, 1, 1]. 92 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0, 0, 0, 0]. The 15 writes are split as follows [0, 11, 1, 1, 1, 1]. [2024-02-07 14:52:09,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (1/1) ... [2024-02-07 14:52:09,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (1/1) ... [2024-02-07 14:52:09,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (1/1) ... [2024-02-07 14:52:09,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (1/1) ... [2024-02-07 14:52:09,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (1/1) ... [2024-02-07 14:52:09,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (1/1) ... [2024-02-07 14:52:09,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:52:09,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:52:09,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:52:09,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:52:09,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (1/1) ... [2024-02-07 14:52:09,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:09,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:52:10,022 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 14:52:10,052 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 14:52:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:52:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:52:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:52:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:52:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:52:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 14:52:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:52:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:52:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:52:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:52:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:52:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 14:52:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:52:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:52:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:52:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:52:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:52:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:52:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:52:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:52:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:52:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:52:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:52:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:52:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:52:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:52:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:52:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:52:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:52:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 14:52:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:52:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:52:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:52:10,076 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 14:52:10,249 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:52:10,251 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:52:10,839 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:52:10,840 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:52:11,514 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:52:11,515 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:52:11,515 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:52:11 BoogieIcfgContainer [2024-02-07 14:52:11,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:52:11,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:52:11,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:52:11,519 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:52:11,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:52:08" (1/4) ... [2024-02-07 14:52:11,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fa2b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:52:11, skipping insertion in model container [2024-02-07 14:52:11,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:09" (2/4) ... [2024-02-07 14:52:11,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fa2b8f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:52:11, skipping insertion in model container [2024-02-07 14:52:11,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:09" (3/4) ... [2024-02-07 14:52:11,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fa2b8f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:52:11, skipping insertion in model container [2024-02-07 14:52:11,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:52:11" (4/4) ... [2024-02-07 14:52:11,522 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_rmo.opt.i [2024-02-07 14:52:11,536 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:52:11,537 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 51 error locations. [2024-02-07 14:52:11,537 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:52:11,694 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:52:11,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 99 transitions, 214 flow [2024-02-07 14:52:11,783 INFO L124 PetriNetUnfolderBase]: 1/95 cut-off events. [2024-02-07 14:52:11,784 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:52:11,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 95 events. 1/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 388 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2024-02-07 14:52:11,789 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 99 transitions, 214 flow [2024-02-07 14:52:11,792 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 95 transitions, 202 flow [2024-02-07 14:52:11,834 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:52:11,849 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;@a09129e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:52:11,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2024-02-07 14:52:11,852 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:52:11,868 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:52:11,868 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:52:11,868 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:52:11,869 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:52:11,869 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 86 more)] === [2024-02-07 14:52:11,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:52:11,874 INFO L85 PathProgramCache]: Analyzing trace with hash 38264, now seen corresponding path program 1 times [2024-02-07 14:52:11,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:52:11,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567643238] [2024-02-07 14:52:11,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:52:11,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:52:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:52:12,217 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 14:52:12,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:52:12,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567643238] [2024-02-07 14:52:12,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567643238] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:52:12,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:52:12,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:52:12,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406809640] [2024-02-07 14:52:12,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:52:12,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:52:12,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:52:12,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:52:12,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:52:12,260 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 99 [2024-02-07 14:52:12,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 95 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:52:12,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:52:12,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 99 [2024-02-07 14:52:12,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand