./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix013.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/mix013.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/mix013.oepc.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix013.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 22:09:30,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 22:09:30,834 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 22:09:30,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 22:09:30,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 22:09:30,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 22:09:30,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 22:09:30,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 22:09:30,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 22:09:30,850 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 22:09:30,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 22:09:30,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 22:09:30,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 22:09:30,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 22:09:30,852 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 22:09:30,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 22:09:30,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 22:09:30,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 22:09:30,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 22:09:30,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 22:09:30,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 22:09:30,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 22:09:30,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 22:09:30,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 22:09:30,854 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 22:09:30,855 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 22:09:30,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 22:09:30,855 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 22:09:30,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 22:09:30,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 22:09:30,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 22:09:30,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 22:09:30,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 22:09:30,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 22:09:30,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 22:09:30,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 22:09:30,857 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 22:09:30,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 22:09:30,857 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 22:09:30,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 22:09:30,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 22:09:30,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 22:09:30,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 22:09:30,858 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-06-27 22:09:31,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 22:09:31,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 22:09:31,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 22:09:31,115 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 22:09:31,115 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 22:09:31,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix013.oepc.i [2024-06-27 22:09:32,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 22:09:32,259 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 22:09:32,260 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013.oepc.i [2024-06-27 22:09:32,270 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf0f8723/c072b0533cd34ac0bb900c21ee8a7061/FLAG3d550035b [2024-06-27 22:09:32,279 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf0f8723/c072b0533cd34ac0bb900c21ee8a7061 [2024-06-27 22:09:32,281 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 22:09:32,281 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 22:09:32,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix013.oepc.yml/witness.yml [2024-06-27 22:09:32,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 22:09:32,342 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 22:09:32,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 22:09:32,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 22:09:32,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 22:09:32,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 10:09:32" (1/2) ... [2024-06-27 22:09:32,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6af33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:09:32, skipping insertion in model container [2024-06-27 22:09:32,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 10:09:32" (1/2) ... [2024-06-27 22:09:32,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43517896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:09:32, skipping insertion in model container [2024-06-27 22:09:32,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:09:32" (2/2) ... [2024-06-27 22:09:32,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6af33b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:09:32, skipping insertion in model container [2024-06-27 22:09:32,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:09:32" (2/2) ... [2024-06-27 22:09:32,349 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 22:09:32,366 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 22:09:32,367 INFO L97 edCorrectnessWitness]: Location invariant before [L881-L881] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )x >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p2_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p3_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )a$mem_tmp >= 0LL) && (0LL - (long long )a$flush_delayed) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )a$flush_delayed) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$flush_delayed) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd4) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd4) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd4) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd4) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EBX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EBX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EBX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )a$w_buff0_used >= 0LL) && (long long )a + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a + (long long )a$w_buff0 >= 0LL) && (long long )a + (long long )a$w_buff0_used >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff0_used >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff0 >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff0_thd4 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd1 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd4 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff0_thd1 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )x >= 0LL) && (long long )a$r_buff0_thd1 + (long long )y >= 0LL) && (long long )a$r_buff0_thd1 + (long long )z >= 0LL) && (long long )a$r_buff0_thd1 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd4 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd4 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd1 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd1 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd4 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd4 + (long long )a$w_buff0_used >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff0 + (long long )x >= 0LL) && (long long )a$w_buff0 + (long long )y >= 0LL) && (long long )a$w_buff0 + (long long )z >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice2 >= 0LL) && (long long )a$w_buff0_used + (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0_used + (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0_used + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff0_used + (long long )x >= 0LL) && (long long )a$w_buff0_used + (long long )y >= 0LL) && (long long )a$w_buff0_used + (long long )z >= 0LL) && (long long )a$w_buff0_used + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff0_used + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )a$w_buff0_used) - (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p3_EBX - (long long )a$mem_tmp >= 0LL) && (long long )a - (long long )a$mem_tmp >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff0_thd4 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd1 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd4 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff1_thd1 - (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd1 - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0_used - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff1 - (long long )a$w_buff1_used >= 0LL) [2024-06-27 22:09:32,367 INFO L97 edCorrectnessWitness]: Location invariant before [L876-L876] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )x >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p2_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p3_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )a$mem_tmp >= 0LL) && (0LL - (long long )a$flush_delayed) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )a$flush_delayed) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$flush_delayed) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd4) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd4) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd4) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd4) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EBX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EBX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EBX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )a$w_buff0_used >= 0LL) && (long long )a + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a + (long long )a$w_buff0 >= 0LL) && (long long )a + (long long )a$w_buff0_used >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff0_used >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff0 >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff0_thd4 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd1 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd4 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff0_thd1 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )x >= 0LL) && (long long )a$r_buff0_thd1 + (long long )y >= 0LL) && (long long )a$r_buff0_thd1 + (long long )z >= 0LL) && (long long )a$r_buff0_thd1 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd4 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd4 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd1 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd1 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd4 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd4 + (long long )a$w_buff0_used >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff0 + (long long )x >= 0LL) && (long long )a$w_buff0 + (long long )y >= 0LL) && (long long )a$w_buff0 + (long long )z >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice2 >= 0LL) && (long long )a$w_buff0_used + (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0_used + (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0_used + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff0_used + (long long )x >= 0LL) && (long long )a$w_buff0_used + (long long )y >= 0LL) && (long long )a$w_buff0_used + (long long )z >= 0LL) && (long long )a$w_buff0_used + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff0_used + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )a$w_buff0_used) - (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p3_EBX - (long long )a$mem_tmp >= 0LL) && (long long )a - (long long )a$mem_tmp >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff0_thd4 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd1 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd4 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff1_thd1 - (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd1 - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0_used - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff1 - (long long )a$w_buff1_used >= 0LL) [2024-06-27 22:09:32,367 INFO L97 edCorrectnessWitness]: Location invariant before [L878-L878] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )x >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p2_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p3_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )a$mem_tmp >= 0LL) && (0LL - (long long )a$flush_delayed) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )a$flush_delayed) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$flush_delayed) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd4) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd4) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd4) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd4) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EBX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EBX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EBX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )a$w_buff0_used >= 0LL) && (long long )a + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a + (long long )a$w_buff0 >= 0LL) && (long long )a + (long long )a$w_buff0_used >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff0_used >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff0 >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff0_thd4 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd1 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd4 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff0_thd1 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )x >= 0LL) && (long long )a$r_buff0_thd1 + (long long )y >= 0LL) && (long long )a$r_buff0_thd1 + (long long )z >= 0LL) && (long long )a$r_buff0_thd1 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd4 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd4 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd1 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd1 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd4 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd4 + (long long )a$w_buff0_used >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff0 + (long long )x >= 0LL) && (long long )a$w_buff0 + (long long )y >= 0LL) && (long long )a$w_buff0 + (long long )z >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice2 >= 0LL) && (long long )a$w_buff0_used + (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0_used + (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0_used + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff0_used + (long long )x >= 0LL) && (long long )a$w_buff0_used + (long long )y >= 0LL) && (long long )a$w_buff0_used + (long long )z >= 0LL) && (long long )a$w_buff0_used + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff0_used + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )a$w_buff0_used) - (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p3_EBX - (long long )a$mem_tmp >= 0LL) && (long long )a - (long long )a$mem_tmp >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff0_thd4 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd1 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd4 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff1_thd1 - (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd1 - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0_used - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff1 - (long long )a$w_buff1_used >= 0LL) [2024-06-27 22:09:32,368 INFO L97 edCorrectnessWitness]: Location invariant before [L880-L880] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )x >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p2_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p3_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )a$mem_tmp >= 0LL) && (0LL - (long long )a$flush_delayed) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )a$flush_delayed) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$flush_delayed) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff0_thd4) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd4) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$r_buff1_thd4) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd4) + (long long )a$w_buff0_used >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EBX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EBX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EBX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )a$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )a$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )a$w_buff0_used >= 0LL) && (long long )a + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a + (long long )a$w_buff0 >= 0LL) && (long long )a + (long long )a$w_buff0_used >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff0_used >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff0 >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff0_thd1 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff0_thd4 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd1 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$r_buff1_thd4 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff0_thd1 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )x >= 0LL) && (long long )a$r_buff0_thd1 + (long long )y >= 0LL) && (long long )a$r_buff0_thd1 + (long long )z >= 0LL) && (long long )a$r_buff0_thd1 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd1 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd4 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd4 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd1 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd1 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff1_thd4 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd4 + (long long )a$w_buff0_used >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff0 + (long long )x >= 0LL) && (long long )a$w_buff0 + (long long )y >= 0LL) && (long long )a$w_buff0 + (long long )z >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice2 >= 0LL) && (long long )a$w_buff0_used + (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0_used + (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0_used + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff0_used + (long long )x >= 0LL) && (long long )a$w_buff0_used + (long long )y >= 0LL) && (long long )a$w_buff0_used + (long long )z >= 0LL) && (long long )a$w_buff0_used + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff0_used + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )a$w_buff0_used) - (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p3_EBX - (long long )a$mem_tmp >= 0LL) && (long long )a - (long long )a$mem_tmp >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff0_thd4 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd1 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd4 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff1_thd1 - (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd1 - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0_used - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff1 - (long long )a$w_buff1_used >= 0LL) [2024-06-27 22:09:32,368 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 22:09:32,368 INFO L106 edCorrectnessWitness]: ghost_update [L874-L874] multithreaded = 1; [2024-06-27 22:09:32,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 22:09:32,515 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/mix013.oepc.i[945,958] [2024-06-27 22:09:32,637 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 22:09:32,645 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-06-27 22:09:32,670 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/mix013.oepc.i[945,958] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-27 22:09:32,843 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 22:09:32,884 INFO L206 MainTranslator]: Completed translation [2024-06-27 22:09:32,885 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:09:32 WrapperNode [2024-06-27 22:09:32,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 22:09:32,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 22:09:32,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 22:09:32,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 22:09:32,891 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 10:09:32" (1/1) ... [2024-06-27 22:09:32,928 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 10:09:32" (1/1) ... [2024-06-27 22:09:33,024 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 137 [2024-06-27 22:09:33,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 22:09:33,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 22:09:33,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 22:09:33,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 22:09:33,033 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 10:09:32" (1/1) ... [2024-06-27 22:09:33,034 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 10:09:32" (1/1) ... [2024-06-27 22:09:33,054 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 10:09:32" (1/1) ... [2024-06-27 22:09:33,084 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 22:09:33,084 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 10:09:32" (1/1) ... [2024-06-27 22:09:33,084 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 10:09:32" (1/1) ... [2024-06-27 22:09:33,111 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 10:09:32" (1/1) ... [2024-06-27 22:09:33,113 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 10:09:32" (1/1) ... [2024-06-27 22:09:33,124 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 10:09:32" (1/1) ... [2024-06-27 22:09:33,127 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 10:09:32" (1/1) ... [2024-06-27 22:09:33,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 22:09:33,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 22:09:33,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 22:09:33,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 22:09:33,145 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 10:09:32" (1/1) ... [2024-06-27 22:09:33,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 22:09:33,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 22:09:33,181 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 22:09:33,185 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 22:09:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-27 22:09:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 22:09:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-06-27 22:09:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-06-27 22:09:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-06-27 22:09:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-06-27 22:09:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-06-27 22:09:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-06-27 22:09:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-06-27 22:09:33,252 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-06-27 22:09:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 22:09:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-27 22:09:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 22:09:33,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 22:09:33,255 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 22:09:33,415 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 22:09:33,416 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 22:09:34,005 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 22:09:34,005 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 22:09:34,159 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 22:09:34,160 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-27 22:09:34,160 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 10:09:34 BoogieIcfgContainer [2024-06-27 22:09:34,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 22:09:34,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 22:09:34,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 22:09:34,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 22:09:34,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 10:09:32" (1/4) ... [2024-06-27 22:09:34,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448ee91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 10:09:34, skipping insertion in model container [2024-06-27 22:09:34,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:09:32" (2/4) ... [2024-06-27 22:09:34,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448ee91a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 10:09:34, skipping insertion in model container [2024-06-27 22:09:34,169 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 10:09:32" (3/4) ... [2024-06-27 22:09:34,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448ee91a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 10:09:34, skipping insertion in model container [2024-06-27 22:09:34,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 10:09:34" (4/4) ... [2024-06-27 22:09:34,170 INFO L112 eAbstractionObserver]: Analyzing ICFG mix013.oepc.i [2024-06-27 22:09:34,184 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 22:09:34,184 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-06-27 22:09:34,185 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 22:09:34,253 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 22:09:34,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 59 transitions, 134 flow [2024-06-27 22:09:34,327 INFO L124 PetriNetUnfolderBase]: 1/55 cut-off events. [2024-06-27 22:09:34,327 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 22:09:34,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 55 events. 1/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 106 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2024-06-27 22:09:34,330 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 59 transitions, 134 flow [2024-06-27 22:09:34,334 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 55 transitions, 122 flow [2024-06-27 22:09:34,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 22:09:34,360 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;@62d0b7dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 22:09:34,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-06-27 22:09:34,371 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 22:09:34,371 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-27 22:09:34,371 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 22:09:34,372 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:09:34,372 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 22:09:34,373 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:09:34,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:09:34,377 INFO L85 PathProgramCache]: Analyzing trace with hash 385152244, now seen corresponding path program 1 times [2024-06-27 22:09:34,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:09:34,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923076485] [2024-06-27 22:09:34,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:09:34,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:09:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:09:36,045 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 22:09:36,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:09:36,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923076485] [2024-06-27 22:09:36,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923076485] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:09:36,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:09:36,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 22:09:36,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588932029] [2024-06-27 22:09:36,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:09:36,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 22:09:36,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:09:36,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 22:09:36,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 22:09:36,148 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 59 [2024-06-27 22:09:36,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 22:09:36,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:09:36,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 59 [2024-06-27 22:09:36,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:09:39,313 INFO L124 PetriNetUnfolderBase]: 20338/30181 cut-off events. [2024-06-27 22:09:39,314 INFO L125 PetriNetUnfolderBase]: For 179/179 co-relation queries the response was YES. [2024-06-27 22:09:39,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57648 conditions, 30181 events. 20338/30181 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 1283. Compared 215944 event pairs, 17450 based on Foata normal form. 720/28750 useless extension candidates. Maximal degree in co-relation 57635. Up to 27063 conditions per place. [2024-06-27 22:09:39,484 INFO L140 encePairwiseOnDemand]: 48/59 looper letters, 52 selfloop transitions, 5 changer transitions 0/73 dead transitions. [2024-06-27 22:09:39,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 73 transitions, 281 flow [2024-06-27 22:09:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 22:09:39,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 22:09:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions. [2024-06-27 22:09:39,493 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7005649717514124 [2024-06-27 22:09:39,494 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 122 flow. Second operand 3 states and 124 transitions. [2024-06-27 22:09:39,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 73 transitions, 281 flow [2024-06-27 22:09:39,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 73 transitions, 274 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-06-27 22:09:39,500 INFO L231 Difference]: Finished difference. Result has 66 places, 58 transitions, 157 flow [2024-06-27 22:09:39,501 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=157, PETRI_PLACES=66, PETRI_TRANSITIONS=58} [2024-06-27 22:09:39,504 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -1 predicate places. [2024-06-27 22:09:39,504 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 157 flow [2024-06-27 22:09:39,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 22:09:39,504 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:09:39,504 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:09:39,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 22:09:39,505 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:09:39,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:09:39,505 INFO L85 PathProgramCache]: Analyzing trace with hash 764164658, now seen corresponding path program 1 times [2024-06-27 22:09:39,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:09:39,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655742148] [2024-06-27 22:09:39,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:09:39,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:09:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:09:40,774 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 22:09:40,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:09:40,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655742148] [2024-06-27 22:09:40,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655742148] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:09:40,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:09:40,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 22:09:40,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942252112] [2024-06-27 22:09:40,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:09:40,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-27 22:09:40,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:09:40,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-27 22:09:40,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-06-27 22:09:40,887 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 59 [2024-06-27 22:09:40,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 58 transitions, 157 flow. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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 22:09:40,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:09:40,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 59 [2024-06-27 22:09:40,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:09:43,487 INFO L124 PetriNetUnfolderBase]: 20371/30204 cut-off events. [2024-06-27 22:09:43,487 INFO L125 PetriNetUnfolderBase]: For 4667/4667 co-relation queries the response was YES. [2024-06-27 22:09:43,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64799 conditions, 30204 events. 20371/30204 cut-off events. For 4667/4667 co-relation queries the response was YES. Maximal size of possible extension queue 1282. Compared 214935 event pairs, 16116 based on Foata normal form. 6/28244 useless extension candidates. Maximal degree in co-relation 64787. Up to 27081 conditions per place. [2024-06-27 22:09:43,675 INFO L140 encePairwiseOnDemand]: 47/59 looper letters, 66 selfloop transitions, 10 changer transitions 1/93 dead transitions. [2024-06-27 22:09:43,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 93 transitions, 408 flow [2024-06-27 22:09:43,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-27 22:09:43,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-27 22:09:43,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 157 transitions. [2024-06-27 22:09:43,682 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6652542372881356 [2024-06-27 22:09:43,683 INFO L175 Difference]: Start difference. First operand has 66 places, 58 transitions, 157 flow. Second operand 4 states and 157 transitions. [2024-06-27 22:09:43,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 93 transitions, 408 flow [2024-06-27 22:09:43,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 93 transitions, 400 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-27 22:09:43,686 INFO L231 Difference]: Finished difference. Result has 70 places, 67 transitions, 239 flow [2024-06-27 22:09:43,687 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=239, PETRI_PLACES=70, PETRI_TRANSITIONS=67} [2024-06-27 22:09:43,688 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 3 predicate places. [2024-06-27 22:09:43,690 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 67 transitions, 239 flow [2024-06-27 22:09:43,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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 22:09:43,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:09:43,691 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:09:43,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 22:09:43,697 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:09:43,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:09:43,698 INFO L85 PathProgramCache]: Analyzing trace with hash -77122703, now seen corresponding path program 1 times [2024-06-27 22:09:43,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:09:43,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837725863] [2024-06-27 22:09:43,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:09:43,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:09:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:09:45,465 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 22:09:45,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:09:45,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837725863] [2024-06-27 22:09:45,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837725863] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:09:45,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:09:45,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:09:45,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306961466] [2024-06-27 22:09:45,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:09:45,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:09:45,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:09:45,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:09:45,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:09:45,611 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 59 [2024-06-27 22:09:45,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 67 transitions, 239 flow. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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 22:09:45,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:09:45,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 59 [2024-06-27 22:09:45,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:09:49,034 INFO L124 PetriNetUnfolderBase]: 23988/33397 cut-off events. [2024-06-27 22:09:49,035 INFO L125 PetriNetUnfolderBase]: For 17089/17125 co-relation queries the response was YES. [2024-06-27 22:09:49,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83397 conditions, 33397 events. 23988/33397 cut-off events. For 17089/17125 co-relation queries the response was YES. Maximal size of possible extension queue 1392. Compared 220725 event pairs, 12610 based on Foata normal form. 10/32010 useless extension candidates. Maximal degree in co-relation 83382. Up to 31634 conditions per place. [2024-06-27 22:09:49,202 INFO L140 encePairwiseOnDemand]: 47/59 looper letters, 101 selfloop transitions, 27 changer transitions 3/146 dead transitions. [2024-06-27 22:09:49,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 146 transitions, 768 flow [2024-06-27 22:09:49,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-27 22:09:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-27 22:09:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 237 transitions. [2024-06-27 22:09:49,204 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6694915254237288 [2024-06-27 22:09:49,204 INFO L175 Difference]: Start difference. First operand has 70 places, 67 transitions, 239 flow. Second operand 6 states and 237 transitions. [2024-06-27 22:09:49,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 146 transitions, 768 flow [2024-06-27 22:09:49,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 146 transitions, 744 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-06-27 22:09:49,211 INFO L231 Difference]: Finished difference. Result has 77 places, 82 transitions, 396 flow [2024-06-27 22:09:49,212 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=396, PETRI_PLACES=77, PETRI_TRANSITIONS=82} [2024-06-27 22:09:49,213 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 10 predicate places. [2024-06-27 22:09:49,213 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 82 transitions, 396 flow [2024-06-27 22:09:49,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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 22:09:49,213 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:09:49,213 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:09:49,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-27 22:09:49,214 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:09:49,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:09:49,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1870211049, now seen corresponding path program 1 times [2024-06-27 22:09:49,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:09:49,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003459154] [2024-06-27 22:09:49,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:09:49,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:09:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:09:49,280 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 22:09:49,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:09:49,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003459154] [2024-06-27 22:09:49,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003459154] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:09:49,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:09:49,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 22:09:49,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597183745] [2024-06-27 22:09:49,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:09:49,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 22:09:49,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:09:49,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 22:09:49,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 22:09:49,306 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 59 [2024-06-27 22:09:49,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 82 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 22:09:49,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:09:49,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 59 [2024-06-27 22:09:49,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:09:49,856 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([408] L770-->L777: Formula: (let ((.cse0 (not (= (mod v_~a$r_buff1_thd1~0_30 256) 0))) (.cse1 (not (= (mod v_~a$w_buff0_used~0_77 256) 0))) (.cse5 (not (= (mod v_~a$r_buff0_thd1~0_43 256) 0)))) (let ((.cse3 (and (not (= (mod v_~a$w_buff0_used~0_78 256) 0)) .cse5)) (.cse2 (and .cse1 .cse5)) (.cse4 (and .cse0 (not (= (mod v_~a$w_buff1_used~0_63 256) 0))))) (and (= v_~a$r_buff1_thd1~0_29 (ite (or (and .cse0 (not (= (mod v_~a$w_buff1_used~0_62 256) 0))) (and (not (= (mod v_~a$r_buff0_thd1~0_42 256) 0)) .cse1)) 0 v_~a$r_buff1_thd1~0_30)) (= v_~a$r_buff0_thd1~0_42 (ite .cse2 0 v_~a$r_buff0_thd1~0_43)) (= (ite .cse3 0 v_~a$w_buff0_used~0_78) v_~a$w_buff0_used~0_77) (= v_~a~0_30 (ite .cse3 v_~a$w_buff0~0_34 (ite .cse4 v_~a$w_buff1~0_25 v_~a~0_31))) (= (ite (or .cse2 .cse4) 0 v_~a$w_buff1_used~0_63) v_~a$w_buff1_used~0_62)))) InVars {~a~0=v_~a~0_31, ~a$w_buff1~0=v_~a$w_buff1~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_34, ~a$r_buff1_thd1~0=v_~a$r_buff1_thd1~0_30, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_78, ~a$r_buff0_thd1~0=v_~a$r_buff0_thd1~0_43, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_63} OutVars{~a~0=v_~a~0_30, ~a$w_buff1~0=v_~a$w_buff1~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_34, ~a$r_buff1_thd1~0=v_~a$r_buff1_thd1~0_29, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_77, ~a$r_buff0_thd1~0=v_~a$r_buff0_thd1~0_42, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_62} AuxVars[] AssignedVars[~a~0, ~a$r_buff1_thd1~0, ~a$w_buff0_used~0, ~a$r_buff0_thd1~0, ~a$w_buff1_used~0][38], [P1Thread1of1ForFork0InUse, P2Thread1of1ForFork3InUse, 44#L787true, P3Thread1of1ForFork1InUse, P0Thread1of1ForFork2InUse, 63#L777true, 84#true, 54#L820true, Black: 76#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$w_buff1_used~0 0) (= ~a$r_buff1_thd2~0 0) (= ~__unbuffered_p3_EBX~0 0) (= ~a$w_buff0_used~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff0_thd1~0 0) (= ~a$w_buff0~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$r_buff1_thd0~0 0) (<= 0 ~y~0) (= ~a~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd4~0 0)), 10#L830true, 57#L885true, Black: 80#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff0_thd1~0 0) (= ~a$w_buff0~0 0) (<= 0 ~y~0) (= ~a~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd4~0 0)), Black: 81#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$r_buff1_thd2~0 0) (= ~__unbuffered_p3_EBX~0 0) (= (* 256 (div ~a$w_buff1_used~0 256)) ~a$w_buff1_used~0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$r_buff1_thd0~0 0) (<= 0 ~y~0) (= ~a~0 0) (= ~a$w_buff0_used~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd1~0 1) (= ~a$r_buff0_thd4~0 0)), Black: 88#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$w_buff1_used~0 0) (= ~a$r_buff1_thd2~0 0) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$r_buff1_thd0~0 0) (not (= ~a$w_buff0_used~0 (* 256 (div ~a$w_buff0_used~0 256)))) (<= 0 ~y~0) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd1~0 1) (= ~a$r_buff0_thd4~0 0)), Black: 87#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$w_buff1_used~0 0) (= ~a$r_buff1_thd2~0 0) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$r_buff1_thd0~0 0) (not (= ~a$w_buff0_used~0 (* 256 (div ~a$w_buff0_used~0 256)))) (<= 0 ~y~0) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd1~0 1) (= ~a$r_buff0_thd4~0 0)), 93#true, Black: 89#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$w_buff1_used~0 0) (<= ~a$w_buff0_used~0 0) (= ~a$r_buff1_thd2~0 0) (= ~a~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$r_buff1_thd0~0 0) (<= 0 (div ~a$w_buff0_used~0 256)) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (<= (* 256 (div ~a$w_buff0_used~0 256)) (+ ~a$w_buff0_used~0 ~y~0)) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd1~0 1) (= ~a$r_buff0_thd4~0 0))]) [2024-06-27 22:09:49,856 INFO L294 olderBase$Statistics]: this new event has 28 ancestors and is not cut-off event [2024-06-27 22:09:49,856 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is not cut-off event [2024-06-27 22:09:49,856 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is not cut-off event [2024-06-27 22:09:49,857 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is not cut-off event [2024-06-27 22:09:49,916 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([408] L770-->L777: Formula: (let ((.cse0 (not (= (mod v_~a$r_buff1_thd1~0_30 256) 0))) (.cse1 (not (= (mod v_~a$w_buff0_used~0_77 256) 0))) (.cse5 (not (= (mod v_~a$r_buff0_thd1~0_43 256) 0)))) (let ((.cse3 (and (not (= (mod v_~a$w_buff0_used~0_78 256) 0)) .cse5)) (.cse2 (and .cse1 .cse5)) (.cse4 (and .cse0 (not (= (mod v_~a$w_buff1_used~0_63 256) 0))))) (and (= v_~a$r_buff1_thd1~0_29 (ite (or (and .cse0 (not (= (mod v_~a$w_buff1_used~0_62 256) 0))) (and (not (= (mod v_~a$r_buff0_thd1~0_42 256) 0)) .cse1)) 0 v_~a$r_buff1_thd1~0_30)) (= v_~a$r_buff0_thd1~0_42 (ite .cse2 0 v_~a$r_buff0_thd1~0_43)) (= (ite .cse3 0 v_~a$w_buff0_used~0_78) v_~a$w_buff0_used~0_77) (= v_~a~0_30 (ite .cse3 v_~a$w_buff0~0_34 (ite .cse4 v_~a$w_buff1~0_25 v_~a~0_31))) (= (ite (or .cse2 .cse4) 0 v_~a$w_buff1_used~0_63) v_~a$w_buff1_used~0_62)))) InVars {~a~0=v_~a~0_31, ~a$w_buff1~0=v_~a$w_buff1~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_34, ~a$r_buff1_thd1~0=v_~a$r_buff1_thd1~0_30, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_78, ~a$r_buff0_thd1~0=v_~a$r_buff0_thd1~0_43, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_63} OutVars{~a~0=v_~a~0_30, ~a$w_buff1~0=v_~a$w_buff1~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_34, ~a$r_buff1_thd1~0=v_~a$r_buff1_thd1~0_29, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_77, ~a$r_buff0_thd1~0=v_~a$r_buff0_thd1~0_42, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_62} AuxVars[] AssignedVars[~a~0, ~a$r_buff1_thd1~0, ~a$w_buff0_used~0, ~a$r_buff0_thd1~0, ~a$w_buff1_used~0][38], [24#ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANTtrue, 42#L800true, P1Thread1of1ForFork0InUse, P2Thread1of1ForFork3InUse, P3Thread1of1ForFork1InUse, P0Thread1of1ForFork2InUse, 63#L777true, 84#true, Black: 76#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$w_buff1_used~0 0) (= ~a$r_buff1_thd2~0 0) (= ~__unbuffered_p3_EBX~0 0) (= ~a$w_buff0_used~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff0_thd1~0 0) (= ~a$w_buff0~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$r_buff1_thd0~0 0) (<= 0 ~y~0) (= ~a~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd4~0 0)), 54#L820true, 10#L830true, Black: 80#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff0_thd1~0 0) (= ~a$w_buff0~0 0) (<= 0 ~y~0) (= ~a~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd4~0 0)), Black: 81#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$r_buff1_thd2~0 0) (= ~__unbuffered_p3_EBX~0 0) (= (* 256 (div ~a$w_buff1_used~0 256)) ~a$w_buff1_used~0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$r_buff1_thd0~0 0) (<= 0 ~y~0) (= ~a~0 0) (= ~a$w_buff0_used~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd1~0 1) (= ~a$r_buff0_thd4~0 0)), Black: 88#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$w_buff1_used~0 0) (= ~a$r_buff1_thd2~0 0) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$r_buff1_thd0~0 0) (not (= ~a$w_buff0_used~0 (* 256 (div ~a$w_buff0_used~0 256)))) (<= 0 ~y~0) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd1~0 1) (= ~a$r_buff0_thd4~0 0)), Black: 87#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$w_buff1_used~0 0) (= ~a$r_buff1_thd2~0 0) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$r_buff1_thd0~0 0) (not (= ~a$w_buff0_used~0 (* 256 (div ~a$w_buff0_used~0 256)))) (<= 0 ~y~0) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd1~0 1) (= ~a$r_buff0_thd4~0 0)), 93#true, Black: 89#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$w_buff1_used~0 0) (<= ~a$w_buff0_used~0 0) (= ~a$r_buff1_thd2~0 0) (= ~a~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$r_buff1_thd0~0 0) (<= 0 (div ~a$w_buff0_used~0 256)) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (<= (* 256 (div ~a$w_buff0_used~0 256)) (+ ~a$w_buff0_used~0 ~y~0)) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd1~0 1) (= ~a$r_buff0_thd4~0 0))]) [2024-06-27 22:09:49,916 INFO L294 olderBase$Statistics]: this new event has 29 ancestors and is not cut-off event [2024-06-27 22:09:49,916 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is not cut-off event [2024-06-27 22:09:49,916 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is not cut-off event [2024-06-27 22:09:49,917 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is not cut-off event [2024-06-27 22:09:50,053 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([408] L770-->L777: Formula: (let ((.cse0 (not (= (mod v_~a$r_buff1_thd1~0_30 256) 0))) (.cse1 (not (= (mod v_~a$w_buff0_used~0_77 256) 0))) (.cse5 (not (= (mod v_~a$r_buff0_thd1~0_43 256) 0)))) (let ((.cse3 (and (not (= (mod v_~a$w_buff0_used~0_78 256) 0)) .cse5)) (.cse2 (and .cse1 .cse5)) (.cse4 (and .cse0 (not (= (mod v_~a$w_buff1_used~0_63 256) 0))))) (and (= v_~a$r_buff1_thd1~0_29 (ite (or (and .cse0 (not (= (mod v_~a$w_buff1_used~0_62 256) 0))) (and (not (= (mod v_~a$r_buff0_thd1~0_42 256) 0)) .cse1)) 0 v_~a$r_buff1_thd1~0_30)) (= v_~a$r_buff0_thd1~0_42 (ite .cse2 0 v_~a$r_buff0_thd1~0_43)) (= (ite .cse3 0 v_~a$w_buff0_used~0_78) v_~a$w_buff0_used~0_77) (= v_~a~0_30 (ite .cse3 v_~a$w_buff0~0_34 (ite .cse4 v_~a$w_buff1~0_25 v_~a~0_31))) (= (ite (or .cse2 .cse4) 0 v_~a$w_buff1_used~0_63) v_~a$w_buff1_used~0_62)))) InVars {~a~0=v_~a~0_31, ~a$w_buff1~0=v_~a$w_buff1~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_34, ~a$r_buff1_thd1~0=v_~a$r_buff1_thd1~0_30, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_78, ~a$r_buff0_thd1~0=v_~a$r_buff0_thd1~0_43, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_63} OutVars{~a~0=v_~a~0_30, ~a$w_buff1~0=v_~a$w_buff1~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_34, ~a$r_buff1_thd1~0=v_~a$r_buff1_thd1~0_29, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_77, ~a$r_buff0_thd1~0=v_~a$r_buff0_thd1~0_42, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_62} AuxVars[] AssignedVars[~a~0, ~a$r_buff1_thd1~0, ~a$w_buff0_used~0, ~a$r_buff0_thd1~0, ~a$w_buff1_used~0][38], [24#ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANTtrue, P1Thread1of1ForFork0InUse, P2Thread1of1ForFork3InUse, 32#P1EXITtrue, P3Thread1of1ForFork1InUse, P0Thread1of1ForFork2InUse, 63#L777true, 84#true, Black: 76#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$w_buff1_used~0 0) (= ~a$r_buff1_thd2~0 0) (= ~__unbuffered_p3_EBX~0 0) (= ~a$w_buff0_used~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff0_thd1~0 0) (= ~a$w_buff0~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$r_buff1_thd0~0 0) (<= 0 ~y~0) (= ~a~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd4~0 0)), 54#L820true, 10#L830true, Black: 80#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff0_thd1~0 0) (= ~a$w_buff0~0 0) (<= 0 ~y~0) (= ~a~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd4~0 0)), Black: 81#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$r_buff1_thd2~0 0) (= ~__unbuffered_p3_EBX~0 0) (= (* 256 (div ~a$w_buff1_used~0 256)) ~a$w_buff1_used~0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$r_buff1_thd0~0 0) (<= 0 ~y~0) (= ~a~0 0) (= ~a$w_buff0_used~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd1~0 1) (= ~a$r_buff0_thd4~0 0)), Black: 88#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$w_buff1_used~0 0) (= ~a$r_buff1_thd2~0 0) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$r_buff1_thd0~0 0) (not (= ~a$w_buff0_used~0 (* 256 (div ~a$w_buff0_used~0 256)))) (<= 0 ~y~0) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd1~0 1) (= ~a$r_buff0_thd4~0 0)), Black: 87#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$w_buff1_used~0 0) (= ~a$r_buff1_thd2~0 0) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$r_buff1_thd0~0 0) (not (= ~a$w_buff0_used~0 (* 256 (div ~a$w_buff0_used~0 256)))) (<= 0 ~y~0) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd1~0 1) (= ~a$r_buff0_thd4~0 0)), 93#true, Black: 89#(and (= ~__unbuffered_cnt~0 0) (= ~x~0 0) (= ~a$r_buff1_thd4~0 0) (= ~__unbuffered_p3_EAX~0 0) (= ~a$w_buff1_used~0 0) (<= ~a$w_buff0_used~0 0) (= ~a$r_buff1_thd2~0 0) (= ~a~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p1_EAX~0 0) (= ~a$flush_delayed~0 0) (= ~a$r_buff0_thd0~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~a$mem_tmp~0 0) (= ~a$r_buff1_thd1~0 0) (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$r_buff1_thd0~0 0) (<= 0 (div ~a$w_buff0_used~0 256)) (= ~__unbuffered_p1_EBX~0 0) (= ~z~0 0) (= ~a$read_delayed~0 0) (<= (* 256 (div ~a$w_buff0_used~0 256)) (+ ~a$w_buff0_used~0 ~y~0)) (= ~a$w_buff1~0 0) (= ~a$r_buff0_thd2~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~a$r_buff0_thd3~0 0) (= ~a$r_buff0_thd1~0 1) (= ~a$r_buff0_thd4~0 0))]) [2024-06-27 22:09:50,053 INFO L294 olderBase$Statistics]: this new event has 31 ancestors and is not cut-off event [2024-06-27 22:09:50,054 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is not cut-off event [2024-06-27 22:09:50,054 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is not cut-off event [2024-06-27 22:09:50,054 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is not cut-off event [2024-06-27 22:09:50,474 INFO L124 PetriNetUnfolderBase]: 7587/13333 cut-off events. [2024-06-27 22:09:50,474 INFO L125 PetriNetUnfolderBase]: For 6497/7853 co-relation queries the response was YES. [2024-06-27 22:09:50,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30442 conditions, 13333 events. 7587/13333 cut-off events. For 6497/7853 co-relation queries the response was YES. Maximal size of possible extension queue 804. Compared 111060 event pairs, 4659 based on Foata normal form. 36/12010 useless extension candidates. Maximal degree in co-relation 30423. Up to 8717 conditions per place. [2024-06-27 22:09:50,564 INFO L140 encePairwiseOnDemand]: 56/59 looper letters, 49 selfloop transitions, 4 changer transitions 0/102 dead transitions. [2024-06-27 22:09:50,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 102 transitions, 550 flow [2024-06-27 22:09:50,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 22:09:50,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 22:09:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2024-06-27 22:09:50,566 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7966101694915254 [2024-06-27 22:09:50,566 INFO L175 Difference]: Start difference. First operand has 77 places, 82 transitions, 396 flow. Second operand 3 states and 141 transitions. [2024-06-27 22:09:50,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 102 transitions, 550 flow [2024-06-27 22:09:50,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 102 transitions, 530 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-06-27 22:09:50,573 INFO L231 Difference]: Finished difference. Result has 77 places, 81 transitions, 380 flow [2024-06-27 22:09:50,573 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=77, PETRI_TRANSITIONS=81} [2024-06-27 22:09:50,574 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 10 predicate places. [2024-06-27 22:09:50,574 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 81 transitions, 380 flow [2024-06-27 22:09:50,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 22:09:50,574 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:09:50,574 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:09:50,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-27 22:09:50,575 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:09:50,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:09:50,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1904165082, now seen corresponding path program 1 times [2024-06-27 22:09:50,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:09:50,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826558905] [2024-06-27 22:09:50,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:09:50,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:09:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:09:52,561 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 22:09:52,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:09:52,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826558905] [2024-06-27 22:09:52,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826558905] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:09:52,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:09:52,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-27 22:09:52,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671368216] [2024-06-27 22:09:52,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:09:52,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-27 22:09:52,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:09:52,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-27 22:09:52,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-06-27 22:09:52,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 59 [2024-06-27 22:09:52,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 81 transitions, 380 flow. Second operand has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 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 22:09:52,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:09:52,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 59 [2024-06-27 22:09:52,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:09:55,858 INFO L124 PetriNetUnfolderBase]: 20730/30592 cut-off events. [2024-06-27 22:09:55,858 INFO L125 PetriNetUnfolderBase]: For 33997/34033 co-relation queries the response was YES. [2024-06-27 22:09:55,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83210 conditions, 30592 events. 20730/30592 cut-off events. For 33997/34033 co-relation queries the response was YES. Maximal size of possible extension queue 1234. Compared 213723 event pairs, 9666 based on Foata normal form. 28/29758 useless extension candidates. Maximal degree in co-relation 83189. Up to 27198 conditions per place. [2024-06-27 22:09:56,075 INFO L140 encePairwiseOnDemand]: 44/59 looper letters, 119 selfloop transitions, 21 changer transitions 5/159 dead transitions. [2024-06-27 22:09:56,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 159 transitions, 900 flow [2024-06-27 22:09:56,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-27 22:09:56,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-27 22:09:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 277 transitions. [2024-06-27 22:09:56,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.586864406779661 [2024-06-27 22:09:56,077 INFO L175 Difference]: Start difference. First operand has 77 places, 81 transitions, 380 flow. Second operand 8 states and 277 transitions. [2024-06-27 22:09:56,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 159 transitions, 900 flow [2024-06-27 22:09:56,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 159 transitions, 892 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-27 22:09:56,086 INFO L231 Difference]: Finished difference. Result has 84 places, 86 transitions, 480 flow [2024-06-27 22:09:56,087 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=480, PETRI_PLACES=84, PETRI_TRANSITIONS=86} [2024-06-27 22:09:56,087 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 17 predicate places. [2024-06-27 22:09:56,087 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 86 transitions, 480 flow [2024-06-27 22:09:56,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 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 22:09:56,088 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:09:56,088 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:09:56,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-06-27 22:09:56,088 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:09:56,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:09:56,088 INFO L85 PathProgramCache]: Analyzing trace with hash 982881405, now seen corresponding path program 1 times [2024-06-27 22:09:56,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:09:56,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921426042] [2024-06-27 22:09:56,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:09:56,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:09:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:09:57,835 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 22:09:57,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:09:57,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921426042] [2024-06-27 22:09:57,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921426042] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:09:57,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:09:57,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-27 22:09:57,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110863048] [2024-06-27 22:09:57,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:09:57,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-27 22:09:57,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:09:57,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-27 22:09:57,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-27 22:09:57,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2024-06-27 22:09:57,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 86 transitions, 480 flow. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 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 22:09:57,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:09:57,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2024-06-27 22:09:57,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:10:01,910 INFO L124 PetriNetUnfolderBase]: 24287/36028 cut-off events. [2024-06-27 22:10:01,911 INFO L125 PetriNetUnfolderBase]: For 47967/48007 co-relation queries the response was YES. [2024-06-27 22:10:02,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99429 conditions, 36028 events. 24287/36028 cut-off events. For 47967/48007 co-relation queries the response was YES. Maximal size of possible extension queue 1479. Compared 256995 event pairs, 13696 based on Foata normal form. 8/35182 useless extension candidates. Maximal degree in co-relation 99404. Up to 32205 conditions per place. [2024-06-27 22:10:02,157 INFO L140 encePairwiseOnDemand]: 48/59 looper letters, 91 selfloop transitions, 15 changer transitions 0/118 dead transitions. [2024-06-27 22:10:02,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 118 transitions, 801 flow [2024-06-27 22:10:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-27 22:10:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-27 22:10:02,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 158 transitions. [2024-06-27 22:10:02,161 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.535593220338983 [2024-06-27 22:10:02,161 INFO L175 Difference]: Start difference. First operand has 84 places, 86 transitions, 480 flow. Second operand 5 states and 158 transitions. [2024-06-27 22:10:02,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 118 transitions, 801 flow [2024-06-27 22:10:02,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 118 transitions, 768 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-06-27 22:10:02,179 INFO L231 Difference]: Finished difference. Result has 85 places, 92 transitions, 543 flow [2024-06-27 22:10:02,179 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=543, PETRI_PLACES=85, PETRI_TRANSITIONS=92} [2024-06-27 22:10:02,180 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 18 predicate places. [2024-06-27 22:10:02,180 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 92 transitions, 543 flow [2024-06-27 22:10:02,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 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 22:10:02,180 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:10:02,180 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:10:02,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-06-27 22:10:02,180 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:10:02,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:10:02,181 INFO L85 PathProgramCache]: Analyzing trace with hash 404553526, now seen corresponding path program 1 times [2024-06-27 22:10:02,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:10:02,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3493584] [2024-06-27 22:10:02,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:10:02,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:10:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:10:04,625 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 22:10:04,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:10:04,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3493584] [2024-06-27 22:10:04,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3493584] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:10:04,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:10:04,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:10:04,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407688007] [2024-06-27 22:10:04,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:10:04,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:10:04,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:10:04,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:10:04,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:10:04,729 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 59 [2024-06-27 22:10:04,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 92 transitions, 543 flow. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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 22:10:04,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:10:04,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 59 [2024-06-27 22:10:04,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:10:10,879 INFO L124 PetriNetUnfolderBase]: 30666/45394 cut-off events. [2024-06-27 22:10:10,879 INFO L125 PetriNetUnfolderBase]: For 77243/77243 co-relation queries the response was YES. [2024-06-27 22:10:11,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130035 conditions, 45394 events. 30666/45394 cut-off events. For 77243/77243 co-relation queries the response was YES. Maximal size of possible extension queue 1643. Compared 324424 event pairs, 17419 based on Foata normal form. 7/44333 useless extension candidates. Maximal degree in co-relation 130007. Up to 40387 conditions per place. [2024-06-27 22:10:11,259 INFO L140 encePairwiseOnDemand]: 47/59 looper letters, 107 selfloop transitions, 19 changer transitions 0/137 dead transitions. [2024-06-27 22:10:11,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 137 transitions, 933 flow [2024-06-27 22:10:11,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-27 22:10:11,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-27 22:10:11,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 188 transitions. [2024-06-27 22:10:11,261 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5310734463276836 [2024-06-27 22:10:11,261 INFO L175 Difference]: Start difference. First operand has 85 places, 92 transitions, 543 flow. Second operand 6 states and 188 transitions. [2024-06-27 22:10:11,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 137 transitions, 933 flow [2024-06-27 22:10:11,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 137 transitions, 907 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-06-27 22:10:11,289 INFO L231 Difference]: Finished difference. Result has 89 places, 96 transitions, 606 flow [2024-06-27 22:10:11,289 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=606, PETRI_PLACES=89, PETRI_TRANSITIONS=96} [2024-06-27 22:10:11,290 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 22 predicate places. [2024-06-27 22:10:11,290 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 96 transitions, 606 flow [2024-06-27 22:10:11,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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 22:10:11,290 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:10:11,290 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:10:11,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-06-27 22:10:11,291 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:10:11,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:10:11,291 INFO L85 PathProgramCache]: Analyzing trace with hash -350386885, now seen corresponding path program 1 times [2024-06-27 22:10:11,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:10:11,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899530666] [2024-06-27 22:10:11,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:10:11,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:10:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:10:13,085 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 22:10:13,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:10:13,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899530666] [2024-06-27 22:10:13,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899530666] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:10:13,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:10:13,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:10:13,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166440564] [2024-06-27 22:10:13,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:10:13,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:10:13,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:10:13,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:10:13,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:10:13,179 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2024-06-27 22:10:13,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 96 transitions, 606 flow. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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 22:10:13,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:10:13,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2024-06-27 22:10:13,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:10:17,700 INFO L124 PetriNetUnfolderBase]: 24498/36173 cut-off events. [2024-06-27 22:10:17,700 INFO L125 PetriNetUnfolderBase]: For 85931/85949 co-relation queries the response was YES. [2024-06-27 22:10:17,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113539 conditions, 36173 events. 24498/36173 cut-off events. For 85931/85949 co-relation queries the response was YES. Maximal size of possible extension queue 1443. Compared 252730 event pairs, 12671 based on Foata normal form. 12/35176 useless extension candidates. Maximal degree in co-relation 113508. Up to 32395 conditions per place. [2024-06-27 22:10:17,929 INFO L140 encePairwiseOnDemand]: 45/59 looper letters, 115 selfloop transitions, 25 changer transitions 0/152 dead transitions. [2024-06-27 22:10:17,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 152 transitions, 1158 flow [2024-06-27 22:10:17,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-27 22:10:17,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-27 22:10:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 194 transitions. [2024-06-27 22:10:17,930 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5480225988700564 [2024-06-27 22:10:17,930 INFO L175 Difference]: Start difference. First operand has 89 places, 96 transitions, 606 flow. Second operand 6 states and 194 transitions. [2024-06-27 22:10:17,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 152 transitions, 1158 flow [2024-06-27 22:10:17,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 152 transitions, 1098 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-06-27 22:10:17,955 INFO L231 Difference]: Finished difference. Result has 93 places, 113 transitions, 789 flow [2024-06-27 22:10:17,955 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=557, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=789, PETRI_PLACES=93, PETRI_TRANSITIONS=113} [2024-06-27 22:10:17,955 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 26 predicate places. [2024-06-27 22:10:17,955 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 113 transitions, 789 flow [2024-06-27 22:10:17,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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 22:10:17,956 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:10:17,956 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:10:17,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-06-27 22:10:17,956 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:10:17,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:10:17,956 INFO L85 PathProgramCache]: Analyzing trace with hash 286329245, now seen corresponding path program 2 times [2024-06-27 22:10:17,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:10:17,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2228549] [2024-06-27 22:10:17,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:10:17,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:10:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:10:19,484 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 22:10:19,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:10:19,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2228549] [2024-06-27 22:10:19,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2228549] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:10:19,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:10:19,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:10:19,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080385798] [2024-06-27 22:10:19,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:10:19,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:10:19,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:10:19,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:10:19,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:10:19,572 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2024-06-27 22:10:19,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 113 transitions, 789 flow. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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 22:10:19,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:10:19,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2024-06-27 22:10:19,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:10:24,364 INFO L124 PetriNetUnfolderBase]: 24482/36331 cut-off events. [2024-06-27 22:10:24,365 INFO L125 PetriNetUnfolderBase]: For 119117/119187 co-relation queries the response was YES. [2024-06-27 22:10:24,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123443 conditions, 36331 events. 24482/36331 cut-off events. For 119117/119187 co-relation queries the response was YES. Maximal size of possible extension queue 1469. Compared 257760 event pairs, 13605 based on Foata normal form. 11/35485 useless extension candidates. Maximal degree in co-relation 123408. Up to 32470 conditions per place. [2024-06-27 22:10:24,642 INFO L140 encePairwiseOnDemand]: 45/59 looper letters, 115 selfloop transitions, 18 changer transitions 0/145 dead transitions. [2024-06-27 22:10:24,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 145 transitions, 1141 flow [2024-06-27 22:10:24,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-27 22:10:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-27 22:10:24,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 186 transitions. [2024-06-27 22:10:24,652 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5254237288135594 [2024-06-27 22:10:24,653 INFO L175 Difference]: Start difference. First operand has 93 places, 113 transitions, 789 flow. Second operand 6 states and 186 transitions. [2024-06-27 22:10:24,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 145 transitions, 1141 flow [2024-06-27 22:10:24,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 145 transitions, 1096 flow, removed 21 selfloop flow, removed 1 redundant places. [2024-06-27 22:10:24,707 INFO L231 Difference]: Finished difference. Result has 98 places, 113 transitions, 791 flow [2024-06-27 22:10:24,707 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=98, PETRI_TRANSITIONS=113} [2024-06-27 22:10:24,708 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 31 predicate places. [2024-06-27 22:10:24,708 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 113 transitions, 791 flow [2024-06-27 22:10:24,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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 22:10:24,708 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:10:24,708 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:10:24,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-06-27 22:10:24,709 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:10:24,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:10:24,709 INFO L85 PathProgramCache]: Analyzing trace with hash -761796831, now seen corresponding path program 3 times [2024-06-27 22:10:24,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:10:24,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655583254] [2024-06-27 22:10:24,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:10:24,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:10:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:10:26,746 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 22:10:26,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:10:26,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655583254] [2024-06-27 22:10:26,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655583254] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:10:26,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:10:26,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:10:26,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280881062] [2024-06-27 22:10:26,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:10:26,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:10:26,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:10:26,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:10:26,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:10:26,842 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2024-06-27 22:10:26,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 113 transitions, 791 flow. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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 22:10:26,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:10:26,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2024-06-27 22:10:26,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand