./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix055_tso.oepc.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix055_tso.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de 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/mix055_tso.oepc.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix055_tso.oepc.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-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 22:30:38,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 22:30:38,611 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 22:30:38,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 22:30:38,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 22:30:38,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 22:30:38,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 22:30:38,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 22:30:38,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 22:30:38,628 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 22:30:38,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 22:30:38,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 22:30:38,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 22:30:38,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 22:30:38,629 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 22:30:38,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 22:30:38,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 22:30:38,630 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 22:30:38,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 22:30:38,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 22:30:38,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 22:30:38,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 22:30:38,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 22:30:38,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 22:30:38,632 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 22:30:38,632 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 22:30:38,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 22:30:38,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 22:30:38,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 22:30:38,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 22:30:38,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 22:30:38,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 22:30:38,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 22:30:38,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 22:30:38,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 22:30:38,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 22:30:38,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 22:30:38,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 22:30:38,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 22:30:38,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 22:30:38,648 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 22:30:38,648 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 22:30:38,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 22:30:38,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-06-27 22:30:38,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 22:30:38,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 22:30:38,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 22:30:38,839 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 22:30:38,840 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 22:30:38,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix055_tso.oepc.i [2024-06-27 22:30:39,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 22:30:40,136 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 22:30:40,136 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_tso.oepc.i [2024-06-27 22:30:40,147 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07b7778ea/8735fb3821cf4998bb77777b9dbb0206/FLAGe09a0cf5b [2024-06-27 22:30:40,157 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07b7778ea/8735fb3821cf4998bb77777b9dbb0206 [2024-06-27 22:30:40,161 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 22:30:40,162 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 22:30:40,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix055_tso.oepc.yml/witness.yml [2024-06-27 22:30:40,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 22:30:40,247 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 22:30:40,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 22:30:40,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 22:30:40,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 22:30:40,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 10:30:40" (1/2) ... [2024-06-27 22:30:40,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b96fc8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:30:40, skipping insertion in model container [2024-06-27 22:30:40,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 10:30:40" (1/2) ... [2024-06-27 22:30:40,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cf227bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:30:40, skipping insertion in model container [2024-06-27 22:30:40,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:30:40" (2/2) ... [2024-06-27 22:30:40,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b96fc8f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40, skipping insertion in model container [2024-06-27 22:30:40,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:30:40" (2/2) ... [2024-06-27 22:30:40,258 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 22:30:40,285 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 22:30:40,287 INFO L97 edCorrectnessWitness]: Location invariant before [L849-L849] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL && (0LL - (long long )__unbuffered_p3_EAX) + (long long )a >= 0LL) && (0LL - (long long )x$r_buff0_thd2) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd2) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd2) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff0_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )x) + (long long )x$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p3_EAX >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )__unbuffered_p3_EAX >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$read_delayed >= 0LL) && (2LL - (long long )__unbuffered_p3_EAX) - (long long )a >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$w_buff0_used >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$w_buff1_used >= 0LL) && (long long )x$r_buff1_thd2 - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff0_used >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff1 >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff0_used - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff1 - (long long )x$w_buff1_used >= 0LL) [2024-06-27 22:30:40,287 INFO L97 edCorrectnessWitness]: Location invariant before [L851-L851] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL && (0LL - (long long )__unbuffered_p3_EAX) + (long long )a >= 0LL) && (0LL - (long long )x$r_buff0_thd2) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd2) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd2) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff0_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )x) + (long long )x$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p3_EAX >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )__unbuffered_p3_EAX >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$read_delayed >= 0LL) && (2LL - (long long )__unbuffered_p3_EAX) - (long long )a >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$w_buff0_used >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$w_buff1_used >= 0LL) && (long long )x$r_buff1_thd2 - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff0_used >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff1 >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff0_used - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff1 - (long long )x$w_buff1_used >= 0LL) [2024-06-27 22:30:40,287 INFO L97 edCorrectnessWitness]: Location invariant before [L854-L854] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL && (0LL - (long long )__unbuffered_p3_EAX) + (long long )a >= 0LL) && (0LL - (long long )x$r_buff0_thd2) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd2) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd2) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff0_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )x) + (long long )x$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p3_EAX >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )__unbuffered_p3_EAX >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$read_delayed >= 0LL) && (2LL - (long long )__unbuffered_p3_EAX) - (long long )a >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$w_buff0_used >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$w_buff1_used >= 0LL) && (long long )x$r_buff1_thd2 - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff0_used >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff1 >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff0_used - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff1 - (long long )x$w_buff1_used >= 0LL) [2024-06-27 22:30:40,287 INFO L97 edCorrectnessWitness]: Location invariant before [L853-L853] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL && (0LL - (long long )__unbuffered_p3_EAX) + (long long )a >= 0LL) && (0LL - (long long )x$r_buff0_thd2) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd2) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd2) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff0_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )x$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )x) + (long long )x$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p3_EAX >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )__unbuffered_p3_EAX >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EAX) - (long long )x$read_delayed >= 0LL) && (2LL - (long long )__unbuffered_p3_EAX) - (long long )a >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$w_buff0_used >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$w_buff1_used >= 0LL) && (long long )x$r_buff1_thd2 - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff0_used >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff1 >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff0_used - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff1 - (long long )x$w_buff1_used >= 0LL) [2024-06-27 22:30:40,287 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 22:30:40,288 INFO L106 edCorrectnessWitness]: ghost_update [L847-L847] multithreaded = 1; [2024-06-27 22:30:40,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 22:30:40,460 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_tso.oepc.i[949,962] [2024-06-27 22:30:40,663 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 22:30:40,674 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-06-27 22:30:40,704 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_tso.oepc.i[949,962] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-27 22:30:40,824 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 22:30:40,859 INFO L206 MainTranslator]: Completed translation [2024-06-27 22:30:40,860 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40 WrapperNode [2024-06-27 22:30:40,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 22:30:40,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 22:30:40,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 22:30:40,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 22:30:40,866 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 27.06 10:30:40" (1/1) ... [2024-06-27 22:30:40,885 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 27.06 10:30:40" (1/1) ... [2024-06-27 22:30:40,943 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 152 [2024-06-27 22:30:40,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 22:30:40,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 22:30:40,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 22:30:40,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 22:30:40,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40" (1/1) ... [2024-06-27 22:30:40,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40" (1/1) ... [2024-06-27 22:30:40,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40" (1/1) ... [2024-06-27 22:30:40,985 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-06-27 22:30:40,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40" (1/1) ... [2024-06-27 22:30:40,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40" (1/1) ... [2024-06-27 22:30:40,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40" (1/1) ... [2024-06-27 22:30:40,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40" (1/1) ... [2024-06-27 22:30:40,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40" (1/1) ... [2024-06-27 22:30:41,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40" (1/1) ... [2024-06-27 22:30:41,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 22:30:41,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 22:30:41,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 22:30:41,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 22:30:41,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40" (1/1) ... [2024-06-27 22:30:41,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 22:30:41,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 22:30:41,026 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) [2024-06-27 22:30:41,043 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 [2024-06-27 22:30:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-27 22:30:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 22:30:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-06-27 22:30:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-06-27 22:30:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-06-27 22:30:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-06-27 22:30:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-06-27 22:30:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-06-27 22:30:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-06-27 22:30:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-06-27 22:30:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 22:30:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-27 22:30:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 22:30:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 22:30:41,058 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 22:30:41,174 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 22:30:41,176 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 22:30:41,600 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 22:30:41,601 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 22:30:41,752 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 22:30:41,753 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-27 22:30:41,753 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 10:30:41 BoogieIcfgContainer [2024-06-27 22:30:41,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 22:30:41,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 22:30:41,755 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 22:30:41,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 22:30:41,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 10:30:40" (1/4) ... [2024-06-27 22:30:41,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b22f3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 10:30:41, skipping insertion in model container [2024-06-27 22:30:41,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:30:40" (2/4) ... [2024-06-27 22:30:41,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b22f3ba and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 10:30:41, skipping insertion in model container [2024-06-27 22:30:41,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:30:40" (3/4) ... [2024-06-27 22:30:41,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b22f3ba and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 10:30:41, skipping insertion in model container [2024-06-27 22:30:41,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 10:30:41" (4/4) ... [2024-06-27 22:30:41,773 INFO L112 eAbstractionObserver]: Analyzing ICFG mix055_tso.oepc.i [2024-06-27 22:30:41,787 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 22:30:41,787 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-06-27 22:30:41,787 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 22:30:41,834 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 22:30:41,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 69 places, 57 transitions, 130 flow [2024-06-27 22:30:41,887 INFO L124 PetriNetUnfolderBase]: 1/53 cut-off events. [2024-06-27 22:30:41,888 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 22:30:41,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 53 events. 1/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 98 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2024-06-27 22:30:41,891 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 57 transitions, 130 flow [2024-06-27 22:30:41,893 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 53 transitions, 118 flow [2024-06-27 22:30:41,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 22:30:41,904 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;@5293ec91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 22:30:41,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-06-27 22:30:41,906 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 22:30:41,907 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-27 22:30:41,907 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 22:30:41,907 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:30:41,907 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 22:30:41,908 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:30:41,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:30:41,911 INFO L85 PathProgramCache]: Analyzing trace with hash 369435318, now seen corresponding path program 1 times [2024-06-27 22:30:41,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:30:41,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393633289] [2024-06-27 22:30:41,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:30:41,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:30:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:30:43,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:30:43,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:30:43,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393633289] [2024-06-27 22:30:43,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393633289] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:30:43,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:30:43,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 22:30:43,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550195493] [2024-06-27 22:30:43,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:30:43,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 22:30:43,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:30:43,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 22:30:43,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 22:30:43,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 57 [2024-06-27 22:30:43,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 53 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-06-27 22:30:43,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:30:43,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 57 [2024-06-27 22:30:43,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:30:47,123 INFO L124 PetriNetUnfolderBase]: 29792/43254 cut-off events. [2024-06-27 22:30:47,123 INFO L125 PetriNetUnfolderBase]: For 254/254 co-relation queries the response was YES. [2024-06-27 22:30:47,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83219 conditions, 43254 events. 29792/43254 cut-off events. For 254/254 co-relation queries the response was YES. Maximal size of possible extension queue 1558. Compared 300303 event pairs, 26043 based on Foata normal form. 1080/41404 useless extension candidates. Maximal degree in co-relation 83206. Up to 39429 conditions per place. [2024-06-27 22:30:47,373 INFO L140 encePairwiseOnDemand]: 46/57 looper letters, 54 selfloop transitions, 5 changer transitions 0/71 dead transitions. [2024-06-27 22:30:47,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 71 transitions, 281 flow [2024-06-27 22:30:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 22:30:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 22:30:47,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 114 transitions. [2024-06-27 22:30:47,382 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-06-27 22:30:47,383 INFO L175 Difference]: Start difference. First operand has 65 places, 53 transitions, 118 flow. Second operand 3 states and 114 transitions. [2024-06-27 22:30:47,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 71 transitions, 281 flow [2024-06-27 22:30:47,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 71 transitions, 274 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-06-27 22:30:47,392 INFO L231 Difference]: Finished difference. Result has 64 places, 56 transitions, 153 flow [2024-06-27 22:30:47,393 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=64, PETRI_TRANSITIONS=56} [2024-06-27 22:30:47,396 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, -1 predicate places. [2024-06-27 22:30:47,396 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 56 transitions, 153 flow [2024-06-27 22:30:47,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-06-27 22:30:47,396 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:30:47,397 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:30:47,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 22:30:47,397 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:30:47,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:30:47,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1454922795, now seen corresponding path program 1 times [2024-06-27 22:30:47,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:30:47,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941962112] [2024-06-27 22:30:47,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:30:47,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:30:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:30:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:30:48,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:30:48,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941962112] [2024-06-27 22:30:48,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941962112] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:30:48,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:30:48,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 22:30:48,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914172484] [2024-06-27 22:30:48,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:30:48,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-27 22:30:48,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:30:48,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-27 22:30:48,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-06-27 22:30:48,281 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 57 [2024-06-27 22:30:48,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 56 transitions, 153 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-06-27 22:30:48,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:30:48,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 57 [2024-06-27 22:30:48,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:30:52,284 INFO L124 PetriNetUnfolderBase]: 35563/47012 cut-off events. [2024-06-27 22:30:52,284 INFO L125 PetriNetUnfolderBase]: For 6791/6791 co-relation queries the response was YES. [2024-06-27 22:30:52,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105225 conditions, 47012 events. 35563/47012 cut-off events. For 6791/6791 co-relation queries the response was YES. Maximal size of possible extension queue 1619. Compared 275621 event pairs, 22564 based on Foata normal form. 4/45146 useless extension candidates. Maximal degree in co-relation 105213. Up to 46877 conditions per place. [2024-06-27 22:30:52,577 INFO L140 encePairwiseOnDemand]: 46/57 looper letters, 70 selfloop transitions, 9 changer transitions 0/90 dead transitions. [2024-06-27 22:30:52,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 90 transitions, 397 flow [2024-06-27 22:30:52,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-27 22:30:52,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-27 22:30:52,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 144 transitions. [2024-06-27 22:30:52,585 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.631578947368421 [2024-06-27 22:30:52,585 INFO L175 Difference]: Start difference. First operand has 64 places, 56 transitions, 153 flow. Second operand 4 states and 144 transitions. [2024-06-27 22:30:52,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 90 transitions, 397 flow [2024-06-27 22:30:52,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 90 transitions, 392 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-27 22:30:52,588 INFO L231 Difference]: Finished difference. Result has 67 places, 60 transitions, 203 flow [2024-06-27 22:30:52,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=203, PETRI_PLACES=67, PETRI_TRANSITIONS=60} [2024-06-27 22:30:52,589 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, 2 predicate places. [2024-06-27 22:30:52,591 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 203 flow [2024-06-27 22:30:52,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-06-27 22:30:52,592 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:30:52,592 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:30:52,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 22:30:52,598 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:30:52,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:30:52,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2142034365, now seen corresponding path program 1 times [2024-06-27 22:30:52,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:30:52,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135162713] [2024-06-27 22:30:52,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:30:52,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:30:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:30:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:30:53,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:30:53,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135162713] [2024-06-27 22:30:53,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135162713] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:30:53,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:30:53,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-27 22:30:53,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951246327] [2024-06-27 22:30:53,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:30:53,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-27 22:30:53,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:30:53,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-27 22:30:53,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-06-27 22:30:53,702 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 57 [2024-06-27 22:30:53,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 203 flow. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-06-27 22:30:53,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:30:53,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 57 [2024-06-27 22:30:53,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:30:57,735 INFO L124 PetriNetUnfolderBase]: 35463/50741 cut-off events. [2024-06-27 22:30:57,735 INFO L125 PetriNetUnfolderBase]: For 20320/20320 co-relation queries the response was YES. [2024-06-27 22:30:57,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119398 conditions, 50741 events. 35463/50741 cut-off events. For 20320/20320 co-relation queries the response was YES. Maximal size of possible extension queue 1806. Compared 348998 event pairs, 21751 based on Foata normal form. 8/47612 useless extension candidates. Maximal degree in co-relation 119384. Up to 46702 conditions per place. [2024-06-27 22:30:57,977 INFO L140 encePairwiseOnDemand]: 44/57 looper letters, 85 selfloop transitions, 16 changer transitions 0/112 dead transitions. [2024-06-27 22:30:57,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 112 transitions, 574 flow [2024-06-27 22:30:57,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-27 22:30:57,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-27 22:30:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 173 transitions. [2024-06-27 22:30:57,980 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6070175438596491 [2024-06-27 22:30:57,980 INFO L175 Difference]: Start difference. First operand has 67 places, 60 transitions, 203 flow. Second operand 5 states and 173 transitions. [2024-06-27 22:30:57,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 112 transitions, 574 flow [2024-06-27 22:30:57,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 112 transitions, 538 flow, removed 6 selfloop flow, removed 2 redundant places. [2024-06-27 22:30:57,986 INFO L231 Difference]: Finished difference. Result has 72 places, 75 transitions, 330 flow [2024-06-27 22:30:57,986 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=330, PETRI_PLACES=72, PETRI_TRANSITIONS=75} [2024-06-27 22:30:57,987 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, 7 predicate places. [2024-06-27 22:30:57,987 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 75 transitions, 330 flow [2024-06-27 22:30:57,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-06-27 22:30:57,988 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:30:57,988 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:30:57,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-27 22:30:57,988 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:30:57,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:30:57,989 INFO L85 PathProgramCache]: Analyzing trace with hash 2064589662, now seen corresponding path program 1 times [2024-06-27 22:30:57,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:30:57,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028888830] [2024-06-27 22:30:57,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:30:57,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:30:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:30:59,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:30:59,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:30:59,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028888830] [2024-06-27 22:30:59,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028888830] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:30:59,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:30:59,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-27 22:30:59,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740014063] [2024-06-27 22:30:59,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:30:59,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-27 22:30:59,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:30:59,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-27 22:30:59,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-06-27 22:30:59,876 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 57 [2024-06-27 22:30:59,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 75 transitions, 330 flow. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 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) [2024-06-27 22:30:59,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:30:59,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 57 [2024-06-27 22:30:59,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:31:04,374 INFO L124 PetriNetUnfolderBase]: 35380/50622 cut-off events. [2024-06-27 22:31:04,374 INFO L125 PetriNetUnfolderBase]: For 40250/40250 co-relation queries the response was YES. [2024-06-27 22:31:04,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130911 conditions, 50622 events. 35380/50622 cut-off events. For 40250/40250 co-relation queries the response was YES. Maximal size of possible extension queue 1806. Compared 348479 event pairs, 18970 based on Foata normal form. 8/47519 useless extension candidates. Maximal degree in co-relation 130894. Up to 46535 conditions per place. [2024-06-27 22:31:04,639 INFO L140 encePairwiseOnDemand]: 44/57 looper letters, 94 selfloop transitions, 20 changer transitions 0/125 dead transitions. [2024-06-27 22:31:04,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 125 transitions, 694 flow [2024-06-27 22:31:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-27 22:31:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-27 22:31:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 201 transitions. [2024-06-27 22:31:04,641 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5877192982456141 [2024-06-27 22:31:04,641 INFO L175 Difference]: Start difference. First operand has 72 places, 75 transitions, 330 flow. Second operand 6 states and 201 transitions. [2024-06-27 22:31:04,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 125 transitions, 694 flow [2024-06-27 22:31:04,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 125 transitions, 682 flow, removed 6 selfloop flow, removed 0 redundant places. [2024-06-27 22:31:04,648 INFO L231 Difference]: Finished difference. Result has 77 places, 78 transitions, 399 flow [2024-06-27 22:31:04,648 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=399, PETRI_PLACES=77, PETRI_TRANSITIONS=78} [2024-06-27 22:31:04,649 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, 12 predicate places. [2024-06-27 22:31:04,649 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 78 transitions, 399 flow [2024-06-27 22:31:04,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 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) [2024-06-27 22:31:04,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:31:04,649 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:31:04,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-27 22:31:04,650 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:31:04,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:31:04,650 INFO L85 PathProgramCache]: Analyzing trace with hash 974930110, now seen corresponding path program 1 times [2024-06-27 22:31:04,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:31:04,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132106720] [2024-06-27 22:31:04,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:31:04,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:31:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:31:05,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:31:05,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:31:05,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132106720] [2024-06-27 22:31:05,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132106720] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:31:05,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:31:05,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-27 22:31:05,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178771366] [2024-06-27 22:31:05,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:31:05,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-27 22:31:05,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:31:05,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-27 22:31:05,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-06-27 22:31:05,605 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 57 [2024-06-27 22:31:05,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 78 transitions, 399 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2024-06-27 22:31:05,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:31:05,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 57 [2024-06-27 22:31:05,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:31:10,552 INFO L124 PetriNetUnfolderBase]: 39668/56196 cut-off events. [2024-06-27 22:31:10,552 INFO L125 PetriNetUnfolderBase]: For 67735/67735 co-relation queries the response was YES. [2024-06-27 22:31:10,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156034 conditions, 56196 events. 39668/56196 cut-off events. For 67735/67735 co-relation queries the response was YES. Maximal size of possible extension queue 1872. Compared 379419 event pairs, 25741 based on Foata normal form. 3/52880 useless extension candidates. Maximal degree in co-relation 156013. Up to 52216 conditions per place. [2024-06-27 22:31:11,069 INFO L140 encePairwiseOnDemand]: 45/57 looper letters, 87 selfloop transitions, 14 changer transitions 0/110 dead transitions. [2024-06-27 22:31:11,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 110 transitions, 734 flow [2024-06-27 22:31:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-27 22:31:11,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-27 22:31:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2024-06-27 22:31:11,071 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4982456140350877 [2024-06-27 22:31:11,071 INFO L175 Difference]: Start difference. First operand has 77 places, 78 transitions, 399 flow. Second operand 5 states and 142 transitions. [2024-06-27 22:31:11,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 110 transitions, 734 flow [2024-06-27 22:31:11,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 110 transitions, 669 flow, removed 10 selfloop flow, removed 4 redundant places. [2024-06-27 22:31:11,091 INFO L231 Difference]: Finished difference. Result has 80 places, 90 transitions, 488 flow [2024-06-27 22:31:11,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=488, PETRI_PLACES=80, PETRI_TRANSITIONS=90} [2024-06-27 22:31:11,092 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, 15 predicate places. [2024-06-27 22:31:11,093 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 90 transitions, 488 flow [2024-06-27 22:31:11,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2024-06-27 22:31:11,093 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:31:11,093 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:31:11,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-06-27 22:31:11,093 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:31:11,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:31:11,094 INFO L85 PathProgramCache]: Analyzing trace with hash 289139165, now seen corresponding path program 1 times [2024-06-27 22:31:11,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:31:11,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104288324] [2024-06-27 22:31:11,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:31:11,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:31:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:31:11,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:31:11,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:31:11,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104288324] [2024-06-27 22:31:11,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104288324] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:31:11,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:31:11,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:31:11,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970517180] [2024-06-27 22:31:11,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:31:11,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:31:11,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:31:11,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:31:11,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:31:12,049 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 57 [2024-06-27 22:31:12,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 90 transitions, 488 flow. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 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) [2024-06-27 22:31:12,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:31:12,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 57 [2024-06-27 22:31:12,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand