./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix036_pso.opt_tso.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix036_pso.opt_tso.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/mix036_pso.opt_tso.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix036_pso.opt_tso.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:27:19,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:27:19,232 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:27:19,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:27:19,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:27:19,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:27:19,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:27:19,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:27:19,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:27:19,266 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:27:19,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:27:19,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:27:19,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:27:19,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:27:19,268 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:27:19,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:27:19,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:27:19,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:27:19,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:27:19,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:27:19,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:27:19,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:27:19,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:27:19,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:27:19,271 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:27:19,271 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:27:19,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:27:19,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:27:19,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:27:19,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:27:19,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:27:19,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:27:19,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:27:19,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:27:19,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:27:19,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:27:19,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:27:19,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:27:19,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:27:19,274 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:27:19,274 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:27:19,275 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:27:19,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:27:19,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:27:19,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:27:19,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:27:19,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:27:19,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:27:19,511 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:27:19,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036_pso.opt_tso.opt.i [2024-02-07 19:27:20,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:27:20,719 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:27:20,720 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036_pso.opt_tso.opt.i [2024-02-07 19:27:20,745 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ddcb00d5/31fae99325c24b63995996481cf56770/FLAG67cb7ce22 [2024-02-07 19:27:20,756 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ddcb00d5/31fae99325c24b63995996481cf56770 [2024-02-07 19:27:20,758 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:27:20,759 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:27:20,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix036_pso.opt_tso.opt.yml/witness.yml [2024-02-07 19:27:20,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:27:20,894 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:27:20,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:27:20,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:27:20,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:27:20,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:27:20" (1/2) ... [2024-02-07 19:27:20,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf11abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:20, skipping insertion in model container [2024-02-07 19:27:20,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:27:20" (1/2) ... [2024-02-07 19:27:20,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d69e301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:20, skipping insertion in model container [2024-02-07 19:27:20,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:20" (2/2) ... [2024-02-07 19:27:20,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf11abc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:20, skipping insertion in model container [2024-02-07 19:27:20,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:20" (2/2) ... [2024-02-07 19:27:20,905 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:27:21,054 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:27:21,056 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] b == 1 [2024-02-07 19:27:21,056 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 19:27:21,056 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:21,057 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (z$w_buff0 == 1) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 19:27:21,057 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:21,058 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] 1 <= __unbuffered_cnt [2024-02-07 19:27:21,058 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] z$r_buff0_thd4 == (_Bool)1 [2024-02-07 19:27:21,058 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] a == 1 [2024-02-07 19:27:21,058 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 19:27:21,058 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 19:27:21,058 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] 0 <= __unbuffered_cnt [2024-02-07 19:27:21,058 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 19:27:21,058 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] 0 <= __unbuffered_cnt [2024-02-07 19:27:21,059 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 19:27:21,059 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:27:21,059 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:27:21,059 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 19:27:21,059 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:27:21,059 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] (((0 <= z) && (z <= 1)) && (z$r_buff1_thd3 == (_Bool)0)) && (z == 0 || z == 1) [2024-02-07 19:27:21,059 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:27:21,060 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:21,060 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 19:27:21,060 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] ((0 <= z$w_buff1) && (z$w_buff1 <= 1)) && (z$w_buff1 == 0 || z$w_buff1 == 1) [2024-02-07 19:27:21,060 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] z$flush_delayed == (_Bool)0 [2024-02-07 19:27:21,060 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:27:21,061 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:27:21,061 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:27:21,061 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((__unbuffered_p1_EAX == 0 && ((__unbuffered_p2_EAX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || ((((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1))) [2024-02-07 19:27:21,061 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:21,061 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] y == 1 [2024-02-07 19:27:21,061 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:27:21,061 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:21,062 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 19:27:21,062 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] (z$r_buff0_thd3 == (_Bool)0) && (z$r_buff1_thd2 == (_Bool)0) [2024-02-07 19:27:21,062 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:27:21,062 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:27:21,062 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:27:21,062 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 19:27:21,063 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] (z$r_buff1_thd3 == (_Bool)0) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:27:21,063 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 19:27:21,064 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 19:27:21,064 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] (z$w_buff1_used == (_Bool)1 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) [2024-02-07 19:27:21,064 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 19:27:21,064 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] 0 <= __unbuffered_cnt [2024-02-07 19:27:21,064 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:27:21,064 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:21,065 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] ((0 <= z$w_buff0) && (z$w_buff0 <= 1)) && (z$w_buff0 == 0 || z$w_buff0 == 1) [2024-02-07 19:27:21,065 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:27:21,065 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:27:21,065 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] 0 <= __unbuffered_cnt [2024-02-07 19:27:21,065 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] x == 1 [2024-02-07 19:27:21,066 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] 1 <= __unbuffered_cnt [2024-02-07 19:27:21,066 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:27:21,066 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] 1 <= __unbuffered_cnt [2024-02-07 19:27:21,066 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] ((0 <= b) && (b <= 1)) && (b == 0 || b == 1) [2024-02-07 19:27:21,067 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:27:21,067 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:21,068 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] 0 <= __unbuffered_cnt [2024-02-07 19:27:21,068 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:27:21,068 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 19:27:21,068 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] 1 <= __unbuffered_cnt [2024-02-07 19:27:21,068 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:27:21,068 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] ((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) [2024-02-07 19:27:21,068 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:27:21,107 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:27:21,260 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/mix036_pso.opt_tso.opt.i[956,969] [2024-02-07 19:27:21,370 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:27:21,378 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:27:21,416 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/mix036_pso.opt_tso.opt.i[956,969] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 19:27:21,497 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:27:21,526 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:27:21,540 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:21 WrapperNode [2024-02-07 19:27:21,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:27:21,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:27:21,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:27:21,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:27:21,547 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 07:27:21" (1/1) ... [2024-02-07 19:27:21,583 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 07:27:21" (1/1) ... [2024-02-07 19:27:21,622 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 191 [2024-02-07 19:27:21,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:27:21,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:27:21,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:27:21,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:27:21,634 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 07:27:21" (1/1) ... [2024-02-07 19:27:21,634 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 07:27:21" (1/1) ... [2024-02-07 19:27:21,645 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 07:27:21" (1/1) ... [2024-02-07 19:27:21,698 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 19:27:21,698 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 07:27:21" (1/1) ... [2024-02-07 19:27:21,698 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 07:27:21" (1/1) ... [2024-02-07 19:27:21,708 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 07:27:21" (1/1) ... [2024-02-07 19:27:21,709 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 07:27:21" (1/1) ... [2024-02-07 19:27:21,711 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 07:27:21" (1/1) ... [2024-02-07 19:27:21,748 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 07:27:21" (1/1) ... [2024-02-07 19:27:21,757 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:27:21,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:27:21,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:27:21,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:27:21,759 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 07:27:21" (1/1) ... [2024-02-07 19:27:21,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:27:21,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:27:21,798 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 19:27:21,800 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 19:27:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:27:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:27:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:27:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:27:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:27:21,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:27:21,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:27:21,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:27:21,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:27:21,827 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:27:21,827 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:27:21,827 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:27:21,827 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:27:21,827 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:27:21,828 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:27:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:27:21,828 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:27:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:27:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:27:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:27:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:27:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:27:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:27:21,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:27:21,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:27:21,830 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 19:27:21,949 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:27:21,951 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:27:22,418 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:27:22,419 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:27:22,757 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:27:22,757 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:27:22,758 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:27:22 BoogieIcfgContainer [2024-02-07 19:27:22,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:27:22,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:27:22,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:27:22,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:27:22,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:27:20" (1/4) ... [2024-02-07 19:27:22,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7a5670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:27:22, skipping insertion in model container [2024-02-07 19:27:22,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:20" (2/4) ... [2024-02-07 19:27:22,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7a5670 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:27:22, skipping insertion in model container [2024-02-07 19:27:22,765 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 07:27:21" (3/4) ... [2024-02-07 19:27:22,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7a5670 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:27:22, skipping insertion in model container [2024-02-07 19:27:22,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:27:22" (4/4) ... [2024-02-07 19:27:22,767 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036_pso.opt_tso.opt.i [2024-02-07 19:27:22,784 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:27:22,785 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 67 error locations. [2024-02-07 19:27:22,785 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:27:22,880 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:27:22,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 116 transitions, 248 flow [2024-02-07 19:27:22,972 INFO L124 PetriNetUnfolderBase]: 1/112 cut-off events. [2024-02-07 19:27:22,973 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:27:22,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 1/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 553 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 116. Up to 2 conditions per place. [2024-02-07 19:27:22,976 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 116 transitions, 248 flow [2024-02-07 19:27:22,981 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 112 transitions, 236 flow [2024-02-07 19:27:22,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:27:22,999 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;@651ecc5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:27:22,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 124 error locations. [2024-02-07 19:27:23,004 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:27:23,004 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 19:27:23,005 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:27:23,005 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:27:23,005 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:27:23,006 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 121 more)] === [2024-02-07 19:27:23,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:27:23,013 INFO L85 PathProgramCache]: Analyzing trace with hash 22252090, now seen corresponding path program 1 times [2024-02-07 19:27:23,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:27:23,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537228097] [2024-02-07 19:27:23,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:27:23,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:27:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:27:23,172 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 19:27:23,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:27:23,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537228097] [2024-02-07 19:27:23,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537228097] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:27:23,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:27:23,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:27:23,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872413825] [2024-02-07 19:27:23,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:27:23,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:27:23,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:27:23,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:27:23,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:27:23,225 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 116 [2024-02-07 19:27:23,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 112 transitions, 236 flow. Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 19:27:23,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:27:23,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 116 [2024-02-07 19:27:23,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:27:36,538 INFO L124 PetriNetUnfolderBase]: 131466/191358 cut-off events. [2024-02-07 19:27:36,538 INFO L125 PetriNetUnfolderBase]: For 606/606 co-relation queries the response was YES. [2024-02-07 19:27:36,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363629 conditions, 191358 events. 131466/191358 cut-off events. For 606/606 co-relation queries the response was YES. Maximal size of possible extension queue 9577. Compared 1657834 event pairs, 131466 based on Foata normal form. 2940/104621 useless extension candidates. Maximal degree in co-relation 363617. Up to 170976 conditions per place. [2024-02-07 19:27:37,748 INFO L140 encePairwiseOnDemand]: 84/116 looper letters, 47 selfloop transitions, 0 changer transitions 0/61 dead transitions. [2024-02-07 19:27:37,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 61 transitions, 228 flow [2024-02-07 19:27:37,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:27:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:27:37,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 115 transitions. [2024-02-07 19:27:37,758 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4956896551724138 [2024-02-07 19:27:37,760 INFO L175 Difference]: Start difference. First operand has 124 places, 112 transitions, 236 flow. Second operand 2 states and 115 transitions. [2024-02-07 19:27:37,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 61 transitions, 228 flow [2024-02-07 19:27:37,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 61 transitions, 224 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:27:37,776 INFO L231 Difference]: Finished difference. Result has 71 places, 61 transitions, 130 flow [2024-02-07 19:27:37,778 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=130, PETRI_PLACES=71, PETRI_TRANSITIONS=61} [2024-02-07 19:27:37,781 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -53 predicate places. [2024-02-07 19:27:37,781 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 61 transitions, 130 flow [2024-02-07 19:27:37,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 19:27:37,781 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:27:37,781 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:27:37,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:27:37,782 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 121 more)] === [2024-02-07 19:27:37,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:27:37,782 INFO L85 PathProgramCache]: Analyzing trace with hash 689815609, now seen corresponding path program 1 times [2024-02-07 19:27:37,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:27:37,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353978631] [2024-02-07 19:27:37,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:27:37,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:27:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:27:37,852 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 19:27:37,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:27:37,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353978631] [2024-02-07 19:27:37,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353978631] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:27:37,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:27:37,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:27:37,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740736112] [2024-02-07 19:27:37,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:27:37,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:27:37,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:27:37,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:27:37,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:27:37,855 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 116 [2024-02-07 19:27:37,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 61 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 19:27:37,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:27:37,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 116 [2024-02-07 19:27:37,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:27:49,121 INFO L124 PetriNetUnfolderBase]: 128551/174643 cut-off events. [2024-02-07 19:27:49,121 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:27:49,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343160 conditions, 174643 events. 128551/174643 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9101. Compared 1375084 event pairs, 15877 based on Foata normal form. 0/92695 useless extension candidates. Maximal degree in co-relation 343157. Up to 150557 conditions per place. [2024-02-07 19:27:50,237 INFO L140 encePairwiseOnDemand]: 113/116 looper letters, 81 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-02-07 19:27:50,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 97 transitions, 372 flow [2024-02-07 19:27:50,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:27:50,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:27:50,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 138 transitions. [2024-02-07 19:27:50,238 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39655172413793105 [2024-02-07 19:27:50,239 INFO L175 Difference]: Start difference. First operand has 71 places, 61 transitions, 130 flow. Second operand 3 states and 138 transitions. [2024-02-07 19:27:50,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 97 transitions, 372 flow [2024-02-07 19:27:50,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 97 transitions, 372 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 19:27:50,241 INFO L231 Difference]: Finished difference. Result has 74 places, 61 transitions, 138 flow [2024-02-07 19:27:50,241 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=74, PETRI_TRANSITIONS=61} [2024-02-07 19:27:50,241 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -50 predicate places. [2024-02-07 19:27:50,242 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 61 transitions, 138 flow [2024-02-07 19:27:50,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 19:27:50,242 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:27:50,242 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:27:50,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:27:50,242 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 121 more)] === [2024-02-07 19:27:50,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:27:50,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1487863900, now seen corresponding path program 1 times [2024-02-07 19:27:50,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:27:50,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941057103] [2024-02-07 19:27:50,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:27:50,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:27:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:27:50,286 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 19:27:50,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:27:50,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941057103] [2024-02-07 19:27:50,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941057103] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:27:50,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:27:50,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:27:50,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983315204] [2024-02-07 19:27:50,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:27:50,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:27:50,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:27:50,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:27:50,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:27:50,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 116 [2024-02-07 19:27:50,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 61 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 19:27:50,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:27:50,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 116 [2024-02-07 19:27:50,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand